backport from wireless-drivers-next, replacing some existing patches in our tree (marked with '=' are those which were already present): f483039cf51a rt2x00: use simple_read_from_buffer() =5c656c71b1bf rt2800: move usb specific txdone/txstatus routines to rt2800lib =0b0d556e0ebb rt2800mmio: use txdone/txstatus routines from lib =5022efb50f62 rt2x00: do not check for txstatus timeout every time on tasklet =adf26a356f13 rt2x00: use different txstatus timeouts when flushing =0240564430c0 rt2800: flush and txstatus rework for rt2800mmio 6eba8fd22352 rt2x00: rt2400pci: mark expected switch fall-through 10bb92217747 rt2x00: rt2500pci: mark expected switch fall-through 916e6bbcfcff rt2x00: rt2800lib: mark expected switch fall-throughs 641dd8068ecb rt2x00: rt61pci: mark expected switch fall-through 750afb08ca71 cross-tree: phase out dma_zalloc_coherent() =c2e28ef7711f rt2x00: reduce tx power to nominal level on RT6352 a4296994eb80 rt2x00: Work around a firmware bug with shared keys 2587791d5758 rt2x00: no need to check return value of debugfs_create functions pending on linux-wireless: rt2x00: remove unneeded check rt2x00: remove confusing AGC register rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620 rt2800: comment and simplify AGC init for RT6352 rt2x00: do not print error when queue is full rt2800: partially restore old mmio txstatus behaviour rt2800: new flush implementation for SoC devices rt2800: move txstatus pending routine rt2800mmio: fetch tx status changes rt2800mmio: use timer and work for handling tx statuses timeouts rt2x00: remove last_nostatus_check rt2x00: remove not used entry field rt2x00mmio: remove legacy comment While at it also rename some existing patches now that there are separate folders with patches for each driver to make things a bit nicer to handle. Signed-off-by: Daniel Golle <daniel@makrotopia.org>master
parent
331963717b
commit
d4c999bb89
@ -0,0 +1,59 @@ |
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From f483039cf51acf30494cd754194562c22cf98764 Mon Sep 17 00:00:00 2001
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From: Dan Carpenter <dan.carpenter@oracle.com>
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Date: Wed, 22 Aug 2018 13:41:26 +0300
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Subject: [PATCH 01/28] rt2x00: use simple_read_from_buffer()
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The problem with this copy_to_user() calls is that they don't ensure
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that "size" is less than the "length" which the user provided.
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Obviously, this is debugfs and "size" is normally going to be very small
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so it probably doesn't matter, but this is the correct thing to do.
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Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
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Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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.../net/wireless/ralink/rt2x00/rt2x00debug.c | 18 +++---------------
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1 file changed, 3 insertions(+), 15 deletions(-)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2x00debug.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00debug.c
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@@ -464,11 +464,7 @@ static ssize_t rt2x00debug_read_##__name
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\
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size = sprintf(line, __format, value); \
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\
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- if (copy_to_user(buf, line, size)) \
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- return -EFAULT; \
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- \
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- *offset += size; \
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- return size; \
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+ return simple_read_from_buffer(buf, length, offset, line, size); \
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}
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#define RT2X00DEBUGFS_OPS_WRITE(__name, __type) \
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@@ -545,11 +541,7 @@ static ssize_t rt2x00debug_read_dev_flag
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size = sprintf(line, "0x%.8x\n", (unsigned int)intf->rt2x00dev->flags);
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- if (copy_to_user(buf, line, size))
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- return -EFAULT;
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-
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- *offset += size;
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- return size;
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+ return simple_read_from_buffer(buf, length, offset, line, size);
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}
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static const struct file_operations rt2x00debug_fop_dev_flags = {
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@@ -574,11 +566,7 @@ static ssize_t rt2x00debug_read_cap_flag
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size = sprintf(line, "0x%.8x\n", (unsigned int)intf->rt2x00dev->cap_flags);
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- if (copy_to_user(buf, line, size))
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- return -EFAULT;
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-
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- *offset += size;
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- return size;
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+ return simple_read_from_buffer(buf, length, offset, line, size);
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}
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static const struct file_operations rt2x00debug_fop_cap_flags = {
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From 6eba8fd2235237784dfd01da55c3210d493aebdb Mon Sep 17 00:00:00 2001
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From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
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Date: Mon, 22 Oct 2018 22:44:34 +0200
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Subject: [PATCH 07/28] rt2x00: rt2400pci: mark expected switch fall-through
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
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where we are expecting to fall through.
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Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/ralink/rt2x00/rt2400pci.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
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@@ -1302,7 +1302,7 @@ static void rt2400pci_txdone(struct rt2x
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break;
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case 2: /* Failure, excessive retries */
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__set_bit(TXDONE_EXCESSIVE_RETRY, &txdesc.flags);
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- /* Don't break, this is a failed frame! */
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+ /* Fall through - this is a failed frame! */
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default: /* Failure */
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__set_bit(TXDONE_FAILURE, &txdesc.flags);
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}
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@ -0,0 +1,25 @@ |
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From 10bb92217747c3384a01ebec005faa2f5e72bbd8 Mon Sep 17 00:00:00 2001
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From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
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Date: Mon, 22 Oct 2018 22:45:19 +0200
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Subject: [PATCH 08/28] rt2x00: rt2500pci: mark expected switch fall-through
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
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where we are expecting to fall through.
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Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/ralink/rt2x00/rt2500pci.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c
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@@ -1430,7 +1430,7 @@ static void rt2500pci_txdone(struct rt2x
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break;
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case 2: /* Failure, excessive retries */
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__set_bit(TXDONE_EXCESSIVE_RETRY, &txdesc.flags);
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- /* Don't break, this is a failed frame! */
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+ /* Fall through - this is a failed frame! */
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default: /* Failure */
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__set_bit(TXDONE_FAILURE, &txdesc.flags);
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}
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@ -0,0 +1,44 @@ |
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From 916e6bbcfcff6cc5d7d33bba8557a30f3af50326 Mon Sep 17 00:00:00 2001
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From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
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Date: Mon, 22 Oct 2018 22:46:03 +0200
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Subject: [PATCH 09/28] rt2x00: rt2800lib: mark expected switch fall-throughs
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
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where we are expecting to fall through.
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Addresses-Coverity-ID: 145198 ("Missing break in switch")
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Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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@@ -2482,6 +2482,7 @@ static void rt2800_config_channel_rf3052
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switch (rt2x00dev->default_ant.tx_chain_num) {
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case 1:
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rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
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+ /* fall through */
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case 2:
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rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
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break;
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@@ -2490,6 +2491,7 @@ static void rt2800_config_channel_rf3052
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switch (rt2x00dev->default_ant.rx_chain_num) {
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case 1:
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rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
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+ /* fall through */
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case 2:
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rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
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break;
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@@ -9457,8 +9459,10 @@ static int rt2800_probe_hw_mode(struct r
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switch (rx_chains) {
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case 3:
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spec->ht.mcs.rx_mask[2] = 0xff;
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+ /* fall through */
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case 2:
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spec->ht.mcs.rx_mask[1] = 0xff;
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+ /* fall through */
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case 1:
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spec->ht.mcs.rx_mask[0] = 0xff;
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spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
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@ -0,0 +1,25 @@ |
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From 641dd8068ecb078e7d12efe465df202bc16ca5eb Mon Sep 17 00:00:00 2001
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From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
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Date: Mon, 22 Oct 2018 22:46:47 +0200
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Subject: [PATCH 10/28] rt2x00: rt61pci: mark expected switch fall-through
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
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where we are expecting to fall through.
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Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/ralink/rt2x00/rt61pci.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/net/wireless/ralink/rt2x00/rt61pci.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt61pci.c
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@@ -2226,7 +2226,7 @@ static void rt61pci_txdone(struct rt2x00
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break;
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case 6: /* Failure, excessive retries */
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__set_bit(TXDONE_EXCESSIVE_RETRY, &txdesc.flags);
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- /* Don't break, this is a failed frame! */
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+ /* Fall through - this is a failed frame! */
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default: /* Failure */
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__set_bit(TXDONE_FAILURE, &txdesc.flags);
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}
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@ -0,0 +1,40 @@ |
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From 750afb08ca71310fcf0c4e2cb1565c63b8235b60 Mon Sep 17 00:00:00 2001
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From: Luis Chamberlain <mcgrof@kernel.org>
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Date: Fri, 4 Jan 2019 09:23:09 +0100
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Subject: [PATCH 11/28] cross-tree: phase out dma_zalloc_coherent()
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We already need to zero out memory for dma_alloc_coherent(), as such
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using dma_zalloc_coherent() is superflous. Phase it out.
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This change was generated with the following Coccinelle SmPL patch:
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@ replace_dma_zalloc_coherent @
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expression dev, size, data, handle, flags;
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@@
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-dma_zalloc_coherent(dev, size, handle, flags)
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+dma_alloc_coherent(dev, size, handle, flags)
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Suggested-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
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[hch: re-ran the script on the latest tree]
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Signed-off-by: Christoph Hellwig <hch@lst.de>
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---
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drivers/net/wireless/ralink/rt2x00/rt2x00mmio.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2x00mmio.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mmio.c
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@@ -119,9 +119,9 @@ static int rt2x00mmio_alloc_queue_dma(st
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/*
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* Allocate DMA memory for descriptor and buffer.
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*/
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- addr = dma_zalloc_coherent(rt2x00dev->dev,
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- queue->limit * queue->desc_size, &dma,
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- GFP_KERNEL);
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+ addr = dma_alloc_coherent(rt2x00dev->dev,
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+ queue->limit * queue->desc_size, &dma,
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+ GFP_KERNEL);
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if (!addr)
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return -ENOMEM;
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|
@ -0,0 +1,32 @@ |
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From c2e28ef7711ffcb083474ee5f154264c6ec1ec07 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Tomislav=20Po=C5=BEega?= <pozega.tomislav@gmail.com>
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Date: Thu, 27 Dec 2018 15:05:25 +0100
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Subject: [PATCH 12/28] rt2x00: reduce tx power to nominal level on RT6352
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Current implementation of RT6352 support provides too high tx power
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at least on iPA/eLNA devices. Reduce amplification of variable gain
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amplifier by 6dB to match board target power of 17dBm.
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Transmited signal strength with this patch is similar to that of
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stock firmware or pandorabox firmware. Throughput measured with iperf
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improves. Device tested: Xiaomi Miwifi Mini.
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Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
|
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---
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drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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||||
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--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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@@ -5477,7 +5477,7 @@ static int rt2800_init_registers(struct
|
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rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
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rt2800_register_write(rt2x00dev, MIMO_PS_CFG, 0x00000002);
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rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x00150F0F);
|
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- rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x06060606);
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+ rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x00000000);
|
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rt2800_register_write(rt2x00dev, TX0_BB_GAIN_ATTEN, 0x0);
|
||||
rt2800_register_write(rt2x00dev, TX1_BB_GAIN_ATTEN, 0x0);
|
||||
rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6C6C666C);
|
@ -0,0 +1,143 @@ |
||||
From a4296994eb8061ee3455721a296c387c639bf635 Mon Sep 17 00:00:00 2001
|
||||
From: Bernd Edlinger <bernd.edlinger@hotmail.de>
|
||||
Date: Tue, 15 Jan 2019 14:01:29 +0000
|
||||
Subject: [PATCH 13/28] rt2x00: Work around a firmware bug with shared keys
|
||||
|
||||
Apparently the rt2x61 firmware fails temporarily to decode
|
||||
broadcast packets if the shared keys are not assigned
|
||||
in the "correct" sequence. At the same time unicast
|
||||
packets work fine, since they are encrypted with the
|
||||
pairwise key.
|
||||
|
||||
At least with WPA2 CCMP mode the shared keys are
|
||||
set in the following sequence: keyidx=1, 2, 1, 2.
|
||||
After a while only keyidx 2 gets decrypted, and
|
||||
keyidx 1 is ignored, probably because there is never
|
||||
a keyidx 3.
|
||||
|
||||
Symptoms are arping -b works for 10 minutes, since
|
||||
keyidx=2 is used for broadcast, and then it stops
|
||||
working for 10 minutes, because keyidx=1 is used.
|
||||
That failure mode repeats forever.
|
||||
|
||||
Note, the firmware does not even know which keyidx
|
||||
corresponds to which hw_key_idx so the firmware is
|
||||
trying to be smarter than the driver, which is bound
|
||||
to fail.
|
||||
|
||||
As workaround the function rt61pci_config_shared_key
|
||||
requests software decryption of the shared keys,
|
||||
by returning EOPNOTSUPP. However, pairwise keys are
|
||||
still handled by hardware which works just fine.
|
||||
|
||||
Signed-off-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
|
||||
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
|
||||
---
|
||||
drivers/net/wireless/ralink/rt2x00/rt61pci.c | 93 +-------------------
|
||||
1 file changed, 4 insertions(+), 89 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt61pci.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt61pci.c
|
||||
@@ -321,97 +321,12 @@ static int rt61pci_config_shared_key(str
|
||||
struct rt2x00lib_crypto *crypto,
|
||||
struct ieee80211_key_conf *key)
|
||||
{
|
||||
- struct hw_key_entry key_entry;
|
||||
- struct rt2x00_field32 field;
|
||||
- u32 mask;
|
||||
- u32 reg;
|
||||
-
|
||||
- if (crypto->cmd == SET_KEY) {
|
||||
- /*
|
||||
- * rt2x00lib can't determine the correct free
|
||||
- * key_idx for shared keys. We have 1 register
|
||||
- * with key valid bits. The goal is simple, read
|
||||
- * the register, if that is full we have no slots
|
||||
- * left.
|
||||
- * Note that each BSS is allowed to have up to 4
|
||||
- * shared keys, so put a mask over the allowed
|
||||
- * entries.
|
||||
- */
|
||||
- mask = (0xf << crypto->bssidx);
|
||||
-
|
||||
- reg = rt2x00mmio_register_read(rt2x00dev, SEC_CSR0);
|
||||
- reg &= mask;
|
||||
-
|
||||
- if (reg && reg == mask)
|
||||
- return -ENOSPC;
|
||||
-
|
||||
- key->hw_key_idx += reg ? ffz(reg) : 0;
|
||||
-
|
||||
- /*
|
||||
- * Upload key to hardware
|
||||
- */
|
||||
- memcpy(key_entry.key, crypto->key,
|
||||
- sizeof(key_entry.key));
|
||||
- memcpy(key_entry.tx_mic, crypto->tx_mic,
|
||||
- sizeof(key_entry.tx_mic));
|
||||
- memcpy(key_entry.rx_mic, crypto->rx_mic,
|
||||
- sizeof(key_entry.rx_mic));
|
||||
-
|
||||
- reg = SHARED_KEY_ENTRY(key->hw_key_idx);
|
||||
- rt2x00mmio_register_multiwrite(rt2x00dev, reg,
|
||||
- &key_entry, sizeof(key_entry));
|
||||
-
|
||||
- /*
|
||||
- * The cipher types are stored over 2 registers.
|
||||
- * bssidx 0 and 1 keys are stored in SEC_CSR1 and
|
||||
- * bssidx 1 and 2 keys are stored in SEC_CSR5.
|
||||
- * Using the correct defines correctly will cause overhead,
|
||||
- * so just calculate the correct offset.
|
||||
- */
|
||||
- if (key->hw_key_idx < 8) {
|
||||
- field.bit_offset = (3 * key->hw_key_idx);
|
||||
- field.bit_mask = 0x7 << field.bit_offset;
|
||||
-
|
||||
- reg = rt2x00mmio_register_read(rt2x00dev, SEC_CSR1);
|
||||
- rt2x00_set_field32(®, field, crypto->cipher);
|
||||
- rt2x00mmio_register_write(rt2x00dev, SEC_CSR1, reg);
|
||||
- } else {
|
||||
- field.bit_offset = (3 * (key->hw_key_idx - 8));
|
||||
- field.bit_mask = 0x7 << field.bit_offset;
|
||||
-
|
||||
- reg = rt2x00mmio_register_read(rt2x00dev, SEC_CSR5);
|
||||
- rt2x00_set_field32(®, field, crypto->cipher);
|
||||
- rt2x00mmio_register_write(rt2x00dev, SEC_CSR5, reg);
|
||||
- }
|
||||
-
|
||||
- /*
|
||||
- * The driver does not support the IV/EIV generation
|
||||
- * in hardware. However it doesn't support the IV/EIV
|
||||
- * inside the ieee80211 frame either, but requires it
|
||||
- * to be provided separately for the descriptor.
|
||||
- * rt2x00lib will cut the IV/EIV data out of all frames
|
||||
- * given to us by mac80211, but we must tell mac80211
|
||||
- * to generate the IV/EIV data.
|
||||
- */
|
||||
- key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
|
||||
- }
|
||||
-
|
||||
/*
|
||||
- * SEC_CSR0 contains only single-bit fields to indicate
|
||||
- * a particular key is valid. Because using the FIELD32()
|
||||
- * defines directly will cause a lot of overhead, we use
|
||||
- * a calculation to determine the correct bit directly.
|
||||
+ * Let the software handle the shared keys,
|
||||
+ * since the hardware decryption does not work reliably,
|
||||
+ * because the firmware does not know the key's keyidx.
|
||||
*/
|
||||
- mask = 1 << key->hw_key_idx;
|
||||
-
|
||||
- reg = rt2x00mmio_register_read(rt2x00dev, SEC_CSR0);
|
||||
- if (crypto->cmd == SET_KEY)
|
||||
- reg |= mask;
|
||||
- else if (crypto->cmd == DISABLE_KEY)
|
||||
- reg &= ~mask;
|
||||
- rt2x00mmio_register_write(rt2x00dev, SEC_CSR0, reg);
|
||||
-
|
||||
- return 0;
|
||||
+ return -EOPNOTSUPP;
|
||||
}
|
||||
|
||||
static int rt61pci_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
|
@ -0,0 +1,107 @@ |
||||
From 2587791d57588562c21e5ef7e678f02ab2f3eb82 Mon Sep 17 00:00:00 2001
|
||||
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
||||
Date: Tue, 22 Jan 2019 16:21:34 +0100
|
||||
Subject: [PATCH 14/28] rt2x00: no need to check return value of debugfs_create
|
||||
functions
|
||||
|
||||
When calling debugfs functions, there is no need to ever check the
|
||||
return value. The function can work or not, but the code logic should
|
||||
never do something different based on this.
|
||||
|
||||
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Cc: Helmut Schaa <helmut.schaa@googlemail.com>
|
||||
Cc: Kalle Valo <kvalo@codeaurora.org>
|
||||
Cc: linux-wireless@vger.kernel.org
|
||||
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
||||
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
|
||||
---
|
||||
.../net/wireless/ralink/rt2x00/rt2x00debug.c | 27 -------------------
|
||||
1 file changed, 27 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00debug.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00debug.c
|
||||
@@ -656,36 +656,24 @@ void rt2x00debug_register(struct rt2x00_
|
||||
intf->driver_folder =
|
||||
debugfs_create_dir(intf->rt2x00dev->ops->name,
|
||||
rt2x00dev->hw->wiphy->debugfsdir);
|
||||
- if (IS_ERR(intf->driver_folder) || !intf->driver_folder)
|
||||
- goto exit;
|
||||
|
||||
intf->driver_entry =
|
||||
rt2x00debug_create_file_driver("driver", intf, &intf->driver_blob);
|
||||
- if (IS_ERR(intf->driver_entry) || !intf->driver_entry)
|
||||
- goto exit;
|
||||
|
||||
intf->chipset_entry =
|
||||
rt2x00debug_create_file_chipset("chipset",
|
||||
intf, &intf->chipset_blob);
|
||||
- if (IS_ERR(intf->chipset_entry) || !intf->chipset_entry)
|
||||
- goto exit;
|
||||
|
||||
intf->dev_flags = debugfs_create_file("dev_flags", 0400,
|
||||
intf->driver_folder, intf,
|
||||
&rt2x00debug_fop_dev_flags);
|
||||
- if (IS_ERR(intf->dev_flags) || !intf->dev_flags)
|
||||
- goto exit;
|
||||
|
||||
intf->cap_flags = debugfs_create_file("cap_flags", 0400,
|
||||
intf->driver_folder, intf,
|
||||
&rt2x00debug_fop_cap_flags);
|
||||
- if (IS_ERR(intf->cap_flags) || !intf->cap_flags)
|
||||
- goto exit;
|
||||
|
||||
intf->register_folder =
|
||||
debugfs_create_dir("register", intf->driver_folder);
|
||||
- if (IS_ERR(intf->register_folder) || !intf->register_folder)
|
||||
- goto exit;
|
||||
|
||||
#define RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(__intf, __name) \
|
||||
({ \
|
||||
@@ -695,9 +683,6 @@ void rt2x00debug_register(struct rt2x00_
|
||||
0600, \
|
||||
(__intf)->register_folder, \
|
||||
&(__intf)->offset_##__name); \
|
||||
- if (IS_ERR((__intf)->__name##_off_entry) || \
|
||||
- !(__intf)->__name##_off_entry) \
|
||||
- goto exit; \
|
||||
\
|
||||
(__intf)->__name##_val_entry = \
|
||||
debugfs_create_file(__stringify(__name) "_value", \
|
||||
@@ -705,9 +690,6 @@ void rt2x00debug_register(struct rt2x00_
|
||||
(__intf)->register_folder, \
|
||||
(__intf), \
|
||||
&rt2x00debug_fop_##__name); \
|
||||
- if (IS_ERR((__intf)->__name##_val_entry) || \
|
||||
- !(__intf)->__name##_val_entry) \
|
||||
- goto exit; \
|
||||
} \
|
||||
})
|
||||
|
||||
@@ -721,15 +703,10 @@ void rt2x00debug_register(struct rt2x00_
|
||||
|
||||
intf->queue_folder =
|
||||
debugfs_create_dir("queue", intf->driver_folder);
|
||||
- if (IS_ERR(intf->queue_folder) || !intf->queue_folder)
|
||||
- goto exit;
|
||||
|
||||
intf->queue_frame_dump_entry =
|
||||
debugfs_create_file("dump", 0400, intf->queue_folder,
|
||||
intf, &rt2x00debug_fop_queue_dump);
|
||||
- if (IS_ERR(intf->queue_frame_dump_entry)
|
||||
- || !intf->queue_frame_dump_entry)
|
||||
- goto exit;
|
||||
|
||||
skb_queue_head_init(&intf->frame_dump_skbqueue);
|
||||
init_waitqueue_head(&intf->frame_dump_waitqueue);
|
||||
@@ -747,10 +724,6 @@ void rt2x00debug_register(struct rt2x00_
|
||||
#endif
|
||||
|
||||
return;
|
||||
-
|
||||
-exit:
|
||||
- rt2x00debug_deregister(rt2x00dev);
|
||||
- rt2x00_err(rt2x00dev, "Failed to register debug handler\n");
|
||||
}
|
||||
|
||||
void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev)
|
@ -0,0 +1,136 @@ |
||||
From 0bffbc98e6999bba38d8185a0ddb1ee77369eaec Mon Sep 17 00:00:00 2001
|
||||
From: =?UTF-8?q?Tomislav=20Po=C5=BEega?= <pozega.tomislav@gmail.com>
|
||||
Date: Wed, 13 Feb 2019 11:09:12 +0100
|
||||
Subject: [PATCH 15/28] rt2x00: remove unneeded check
|
||||
MIME-Version: 1.0
|
||||
Content-Type: text/plain; charset=UTF-8
|
||||
Content-Transfer-Encoding: 8bit
|
||||
|
||||
Remove band check from rf53xx channel config routine since all chips
|
||||
using it are single band.
|
||||
|
||||
Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
.../net/wireless/ralink/rt2x00/rt2800lib.c | 103 +++++++++---------
|
||||
1 file changed, 50 insertions(+), 53 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
@@ -2966,6 +2966,7 @@ static void rt2800_config_channel_rf53xx
|
||||
struct channel_info *info)
|
||||
{
|
||||
u8 rfcsr;
|
||||
+ int idx = rf->channel-1;
|
||||
|
||||
rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
|
||||
rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
|
||||
@@ -3003,60 +3004,56 @@ static void rt2800_config_channel_rf53xx
|
||||
|
||||
rt2800_freq_cal_mode1(rt2x00dev);
|
||||
|
||||
- if (rf->channel <= 14) {
|
||||
- int idx = rf->channel-1;
|
||||
+ if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
|
||||
+ if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
|
||||
+ /* r55/r59 value array of channel 1~14 */
|
||||
+ static const char r55_bt_rev[] = {0x83, 0x83,
|
||||
+ 0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
|
||||
+ 0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
|
||||
+ static const char r59_bt_rev[] = {0x0e, 0x0e,
|
||||
+ 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
|
||||
+ 0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
|
||||
+
|
||||
+ rt2800_rfcsr_write(rt2x00dev, 55,
|
||||
+ r55_bt_rev[idx]);
|
||||
+ rt2800_rfcsr_write(rt2x00dev, 59,
|
||||
+ r59_bt_rev[idx]);
|
||||
+ } else {
|
||||
+ static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
|
||||
+ 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
|
||||
+ 0x88, 0x88, 0x86, 0x85, 0x84};
|
||||
|
||||
- if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
|
||||
- if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
|
||||
- /* r55/r59 value array of channel 1~14 */
|
||||
- static const char r55_bt_rev[] = {0x83, 0x83,
|
||||
- 0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
|
||||
- 0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
|
||||
- static const char r59_bt_rev[] = {0x0e, 0x0e,
|
||||
- 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
|
||||
- 0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
|
||||
-
|
||||
- rt2800_rfcsr_write(rt2x00dev, 55,
|
||||
- r55_bt_rev[idx]);
|
||||
- rt2800_rfcsr_write(rt2x00dev, 59,
|
||||
- r59_bt_rev[idx]);
|
||||
- } else {
|
||||
- static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
|
||||
- 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
|
||||
- 0x88, 0x88, 0x86, 0x85, 0x84};
|
||||
+ rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]);
|
||||
+ }
|
||||
+ } else {
|
||||
+ if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
|
||||
+ static const char r55_nonbt_rev[] = {0x23, 0x23,
|
||||
+ 0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
|
||||
+ 0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
|
||||
+ static const char r59_nonbt_rev[] = {0x07, 0x07,
|
||||
+ 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
|
||||
+ 0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
|
||||
+
|
||||
+ rt2800_rfcsr_write(rt2x00dev, 55,
|
||||
+ r55_nonbt_rev[idx]);
|
||||
+ rt2800_rfcsr_write(rt2x00dev, 59,
|
||||
+ r59_nonbt_rev[idx]);
|
||||
+ } else if (rt2x00_rt(rt2x00dev, RT5390) ||
|
||||
+ rt2x00_rt(rt2x00dev, RT5392) ||
|
||||
+ rt2x00_rt(rt2x00dev, RT6352)) {
|
||||
+ static const char r59_non_bt[] = {0x8f, 0x8f,
|
||||
+ 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
|
||||
+ 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
|
||||
+
|
||||
+ rt2800_rfcsr_write(rt2x00dev, 59,
|
||||
+ r59_non_bt[idx]);
|
||||
+ } else if (rt2x00_rt(rt2x00dev, RT5350)) {
|
||||
+ static const char r59_non_bt[] = {0x0b, 0x0b,
|
||||
+ 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0a,
|
||||
+ 0x0a, 0x09, 0x08, 0x07, 0x07, 0x06};
|
||||
|
||||
- rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]);
|
||||
- }
|
||||
- } else {
|
||||
- if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
|
||||
- static const char r55_nonbt_rev[] = {0x23, 0x23,
|
||||
- 0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
|
||||
- 0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
|
||||
- static const char r59_nonbt_rev[] = {0x07, 0x07,
|
||||
- 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
|
||||
- 0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
|
||||
-
|
||||
- rt2800_rfcsr_write(rt2x00dev, 55,
|
||||
- r55_nonbt_rev[idx]);
|
||||
- rt2800_rfcsr_write(rt2x00dev, 59,
|
||||
- r59_nonbt_rev[idx]);
|
||||
- } else if (rt2x00_rt(rt2x00dev, RT5390) ||
|
||||
- rt2x00_rt(rt2x00dev, RT5392) ||
|
||||
- rt2x00_rt(rt2x00dev, RT6352)) {
|
||||
- static const char r59_non_bt[] = {0x8f, 0x8f,
|
||||
- 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
|
||||
- 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
|
||||
-
|
||||
- rt2800_rfcsr_write(rt2x00dev, 59,
|
||||
- r59_non_bt[idx]);
|
||||
- } else if (rt2x00_rt(rt2x00dev, RT5350)) {
|
||||
- static const char r59_non_bt[] = {0x0b, 0x0b,
|
||||
- 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0a,
|
||||
- 0x0a, 0x09, 0x08, 0x07, 0x07, 0x06};
|
||||
-
|
||||
- rt2800_rfcsr_write(rt2x00dev, 59,
|
||||
- r59_non_bt[idx]);
|
||||
- }
|
||||
+ rt2800_rfcsr_write(rt2x00dev, 59,
|
||||
+ r59_non_bt[idx]);
|
||||
}
|
||||
}
|
||||
}
|
@ -0,0 +1,33 @@ |
||||
From dce31f739d4c901725a23c7939d7e04d4c2eacac Mon Sep 17 00:00:00 2001
|
||||
From: =?UTF-8?q?Tomislav=20Po=C5=BEega?= <pozega.tomislav@gmail.com>
|
||||
Date: Wed, 13 Feb 2019 11:09:13 +0100
|
||||
Subject: [PATCH 16/28] rt2x00: remove confusing AGC register
|
||||
MIME-Version: 1.0
|
||||
Content-Type: text/plain; charset=UTF-8
|
||||
Content-Transfer-Encoding: 8bit
|
||||
|
||||
Register 66 was causing issues on RT6352 if set to the same value as
|
||||
in MTK driver. With 1c reg value device was working fine in both HT20
|
||||
and HT40 modes.
|
||||
|
||||
Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 6 +-----
|
||||
1 file changed, 1 insertion(+), 5 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
@@ -3983,11 +3983,7 @@ static void rt2800_config_channel(struct
|
||||
rt2800_bbp_write(rt2x00dev, 196, reg);
|
||||
|
||||
/* AGC init */
|
||||
- if (rt2x00_rt(rt2x00dev, RT6352))
|
||||
- reg = 0x04;
|
||||
- else
|
||||
- reg = rf->channel <= 14 ? 0x1c : 0x24;
|
||||
-
|
||||
+ reg = rf->channel <= 14 ? 0x1c : 0x24;
|
||||
reg += 2 * rt2x00dev->lna_gain;
|
||||
rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
|
||||
|
@ -0,0 +1,46 @@ |
||||
From 9c9bf1af644ad16fca1fd601cfc3a2a2c6bbc58b Mon Sep 17 00:00:00 2001
|
||||
From: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Date: Wed, 13 Feb 2019 11:09:14 +0100
|
||||
Subject: [PATCH 17/28] rt2800: enable TX_PIN_CFG_LNA_PE_ bits per band
|
||||
|
||||
Do not enable TX_PIN_CFG_LNA_PE_A* bits for 2.4GHz band and
|
||||
vice versa TX_PIN_CFG_LNA_PE_G* bits for 5GHz.
|
||||
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 18 ++++++++++++------
|
||||
1 file changed, 12 insertions(+), 6 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
@@ -3893,18 +3893,24 @@ static void rt2800_config_channel(struct
|
||||
switch (rt2x00dev->default_ant.rx_chain_num) {
|
||||
case 3:
|
||||
/* Turn on tertiary LNAs */
|
||||
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1);
|
||||
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1);
|
||||
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN,
|
||||
+ rf->channel > 14);
|
||||
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN,
|
||||
+ rf->channel <= 14);
|
||||
/* fall-through */
|
||||
case 2:
|
||||
/* Turn on secondary LNAs */
|
||||
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
|
||||
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
|
||||
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN,
|
||||
+ rf->channel > 14);
|
||||
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN,
|
||||
+ rf->channel <= 14);
|
||||
/* fall-through */
|
||||
case 1:
|
||||
/* Turn on primary LNAs */
|
||||
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
|
||||
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
|
||||
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN,
|
||||
+ rf->channel > 14);
|
||||
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN,
|
||||
+ rf->channel <= 14);
|
||||
break;
|
||||
}
|
||||
|
@ -0,0 +1,40 @@ |
||||
From 4c0475ad8b73072b5b638163c2eb8309310406ed Mon Sep 17 00:00:00 2001
|
||||
From: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Date: Wed, 13 Feb 2019 11:09:15 +0100
|
||||
Subject: [PATCH 18/28] rt2800: enable TX_PIN_CFG_RFRX_EN only for MT7620
|
||||
|
||||
The TX_PIN_CFG_RFRX_EN bit was not set on other devices than MT7620,
|
||||
restore old behavaviour since setting this bit maight not be
|
||||
correct for older devices.
|
||||
|
||||
Fixes: 41977e86c984 ("rt2x00: add support for MT7620")
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 7 ++++---
|
||||
1 file changed, 4 insertions(+), 3 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
@@ -3858,10 +3858,12 @@ static void rt2800_config_channel(struct
|
||||
if (rt2x00_rt(rt2x00dev, RT3572))
|
||||
rt2800_rfcsr_write(rt2x00dev, 8, 0);
|
||||
|
||||
- if (rt2x00_rt(rt2x00dev, RT6352))
|
||||
+ if (rt2x00_rt(rt2x00dev, RT6352)) {
|
||||
tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG);
|
||||
- else
|
||||
+ rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFRX_EN, 1);
|
||||
+ } else {
|
||||
tx_pin = 0;
|
||||
+ }
|
||||
|
||||
switch (rt2x00dev->default_ant.tx_chain_num) {
|
||||
case 3:
|
||||
@@ -3916,7 +3918,6 @@ static void rt2800_config_channel(struct
|
||||
|
||||
rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
|
||||
rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
|
||||
- rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFRX_EN, 1); /* mt7620 */
|
||||
|
||||
rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
|
||||
|
@ -0,0 +1,32 @@ |
||||
From cb77f0f92f596a2ef54246db7321e319305e8156 Mon Sep 17 00:00:00 2001
|
||||
From: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Date: Wed, 13 Feb 2019 11:09:16 +0100
|
||||
Subject: [PATCH 19/28] rt2800: comment and simplify AGC init for RT6352
|
||||
|
||||
We do not need separate lines for calculating register values.
|
||||
Also add comment that value is different than in vendor driver.
|
||||
|
||||
Suggested-by: Daniel Golle <daniel@makrotopia.org>
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 9 ++++++---
|
||||
1 file changed, 6 insertions(+), 3 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
@@ -3989,9 +3989,12 @@ static void rt2800_config_channel(struct
|
||||
rt2800_bbp_write(rt2x00dev, 195, 141);
|
||||
rt2800_bbp_write(rt2x00dev, 196, reg);
|
||||
|
||||
- /* AGC init */
|
||||
- reg = rf->channel <= 14 ? 0x1c : 0x24;
|
||||
- reg += 2 * rt2x00dev->lna_gain;
|
||||
+ /* AGC init.
|
||||
+ * Despite the vendor driver using different values here for
|
||||
+ * RT6352 chip, we use 0x1c for now. This may have to be changed
|
||||
+ * once TSSI got implemented.
|
||||
+ */
|
||||
+ reg = (rf->channel <= 14 ? 0x1c : 0x24) + 2*rt2x00dev->lna_gain;
|
||||
rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
|
||||
|
||||
rt2800_iq_calibrate(rt2x00dev, rf->channel);
|
@ -0,0 +1,30 @@ |
||||
From 1a8a8989b779e51e4652a30e9f22c36a1b6ffc4b Mon Sep 17 00:00:00 2001
|
||||
From: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Date: Thu, 20 Dec 2018 16:16:11 +0100
|
||||
Subject: [PATCH 20/28] rt2x00: do not print error when queue is full
|
||||
|
||||
For unknown reasons printk() on some context can cause CPU hung on
|
||||
embedded MT7620 AP/router MIPS platforms. What can result on wifi
|
||||
disconnects.
|
||||
|
||||
This patch move queue full messages to debug level what is consistent
|
||||
with other mac80211 drivers which drop packet silently if tx queue is
|
||||
full. This make MT7620 OpenWRT routers more stable, what was reported
|
||||
by various users.
|
||||
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
drivers/net/wireless/ralink/rt2x00/rt2x00queue.c | 2 +-
|
||||
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
|
||||
@@ -671,7 +671,7 @@ int rt2x00queue_write_tx_frame(struct da
|
||||
spin_lock(&queue->tx_lock);
|
||||
|
||||
if (unlikely(rt2x00queue_full(queue))) {
|
||||
- rt2x00_err(queue->rt2x00dev, "Dropping frame due to full tx queue %d\n",
|
||||
+ rt2x00_dbg(queue->rt2x00dev, "Dropping frame due to full tx queue %d\n",
|
||||
queue->qid);
|
||||
ret = -ENOBUFS;
|
||||
goto out;
|
@ -0,0 +1,125 @@ |
||||
From 91a5340db0526b7263bc8da14b120ea3129b5f28 Mon Sep 17 00:00:00 2001
|
||||
From: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Date: Sat, 9 Feb 2019 12:08:31 +0100
|
||||
Subject: [PATCH 21/28] rt2800: partially restore old mmio txstatus behaviour
|
||||
|
||||
Do not disable txstatus interrupt and add quota of processed tx statuses in
|
||||
one tasklet. Quota is needed to allow to fed device with new frames during
|
||||
processing of tx statuses.
|
||||
|
||||
Patch fixes about 15% performance degradation on some scenarios coused by
|
||||
0b0d556e0ebb ("rt2800mmio: use txdone/txstatus routines from lib").
|
||||
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
.../net/wireless/ralink/rt2x00/rt2800lib.c | 4 +--
|
||||
.../net/wireless/ralink/rt2x00/rt2800lib.h | 2 +-
|
||||
.../net/wireless/ralink/rt2x00/rt2800mmio.c | 30 +++++--------------
|
||||
.../net/wireless/ralink/rt2x00/rt2800usb.c | 2 +-
|
||||
4 files changed, 12 insertions(+), 26 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
@@ -1100,7 +1100,7 @@ void rt2800_txdone_entry(struct queue_en
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
|
||||
|
||||
-void rt2800_txdone(struct rt2x00_dev *rt2x00dev)
|
||||
+void rt2800_txdone(struct rt2x00_dev *rt2x00dev, unsigned int quota)
|
||||
{
|
||||
struct data_queue *queue;
|
||||
struct queue_entry *entry;
|
||||
@@ -1108,7 +1108,7 @@ void rt2800_txdone(struct rt2x00_dev *rt
|
||||
u8 qid;
|
||||
bool match;
|
||||
|
||||
- while (kfifo_get(&rt2x00dev->txstatus_fifo, ®)) {
|
||||
+ while (quota-- > 0 && kfifo_get(&rt2x00dev->txstatus_fifo, ®)) {
|
||||
/*
|
||||
* TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is
|
||||
* guaranteed to be one of the TX QIDs .
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
|
||||
@@ -195,7 +195,7 @@ void rt2800_process_rxwi(struct queue_en
|
||||
|
||||
void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi,
|
||||
bool match);
|
||||
-void rt2800_txdone(struct rt2x00_dev *rt2x00dev);
|
||||
+void rt2800_txdone(struct rt2x00_dev *rt2x00dev, unsigned int quota);
|
||||
void rt2800_txdone_nostatus(struct rt2x00_dev *rt2x00dev);
|
||||
bool rt2800_txstatus_timeout(struct rt2x00_dev *rt2x00dev);
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
|
||||
@@ -255,20 +255,6 @@ void rt2800mmio_autowake_tasklet(unsigne
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(rt2800mmio_autowake_tasklet);
|
||||
|
||||
-static void rt2800mmio_txdone(struct rt2x00_dev *rt2x00dev)
|
||||
-{
|
||||
- bool timeout = false;
|
||||
-
|
||||
- while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
|
||||
- (timeout = rt2800_txstatus_timeout(rt2x00dev))) {
|
||||
-
|
||||
- rt2800_txdone(rt2x00dev);
|
||||
-
|
||||
- if (timeout)
|
||||
- rt2800_txdone_nostatus(rt2x00dev);
|
||||
- }
|
||||
-}
|
||||
-
|
||||
static bool rt2800mmio_fetch_txstatus(struct rt2x00_dev *rt2x00dev)
|
||||
{
|
||||
u32 status;
|
||||
@@ -305,14 +291,11 @@ void rt2800mmio_txstatus_tasklet(unsigne
|
||||
{
|
||||
struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
|
||||
|
||||
- do {
|
||||
- rt2800mmio_txdone(rt2x00dev);
|
||||
+ rt2800_txdone(rt2x00dev, 16);
|
||||
|
||||
- } while (rt2800mmio_fetch_txstatus(rt2x00dev));
|
||||
+ if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo))
|
||||
+ tasklet_schedule(&rt2x00dev->txstatus_tasklet);
|
||||
|
||||
- if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
|
||||
- rt2800mmio_enable_interrupt(rt2x00dev,
|
||||
- INT_SOURCE_CSR_TX_FIFO_STATUS);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(rt2800mmio_txstatus_tasklet);
|
||||
|
||||
@@ -339,8 +322,10 @@ irqreturn_t rt2800mmio_interrupt(int irq
|
||||
mask = ~reg;
|
||||
|
||||
if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) {
|
||||
+ rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1);
|
||||
rt2800mmio_fetch_txstatus(rt2x00dev);
|
||||
- tasklet_schedule(&rt2x00dev->txstatus_tasklet);
|
||||
+ if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo))
|
||||
+ tasklet_schedule(&rt2x00dev->txstatus_tasklet);
|
||||
}
|
||||
|
||||
if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT))
|
||||
@@ -500,7 +485,8 @@ void rt2800mmio_flush_queue(struct data_
|
||||
*/
|
||||
if (tx_queue) {
|
||||
tasklet_disable(&rt2x00dev->txstatus_tasklet);
|
||||
- rt2800mmio_txdone(rt2x00dev);
|
||||
+ rt2800_txdone(rt2x00dev, UINT_MAX);
|
||||
+ rt2800_txdone_nostatus(rt2x00dev);
|
||||
tasklet_enable(&rt2x00dev->txstatus_tasklet);
|
||||
}
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
|
||||
@@ -480,7 +480,7 @@ static void rt2800usb_work_txdone(struct
|
||||
while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
|
||||
rt2800_txstatus_timeout(rt2x00dev)) {
|
||||
|
||||
- rt2800_txdone(rt2x00dev);
|
||||
+ rt2800_txdone(rt2x00dev, UINT_MAX);
|
||||
|
||||
rt2800_txdone_nostatus(rt2x00dev);
|
||||
|
@ -0,0 +1,24 @@ |
||||
From 11f8ad1656035176bad9d89de7ea0e7fe6d82c32 Mon Sep 17 00:00:00 2001
|
||||
From: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Date: Sat, 9 Feb 2019 12:08:32 +0100
|
||||
Subject: [PATCH 22/28] rt2800: new flush implementation for SoC devices
|
||||
|
||||
Use new flush_queue() calback for SoC devices, what was already done for
|
||||
PCIe devices.
|
||||
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
drivers/net/wireless/ralink/rt2x00/rt2800soc.c | 2 +-
|
||||
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
|
||||
@@ -203,7 +203,7 @@ static const struct rt2x00lib_ops rt2800
|
||||
.start_queue = rt2800mmio_start_queue,
|
||||
.kick_queue = rt2800mmio_kick_queue,
|
||||
.stop_queue = rt2800mmio_stop_queue,
|
||||
- .flush_queue = rt2x00mmio_flush_queue,
|
||||
+ .flush_queue = rt2800mmio_flush_queue,
|
||||
.write_tx_desc = rt2800mmio_write_tx_desc,
|
||||
.write_tx_data = rt2800_write_tx_data,
|
||||
.write_beacon = rt2800_write_beacon,
|
@ -0,0 +1,103 @@ |
||||
From 2bbea7645c3d095014a080db170941818650e141 Mon Sep 17 00:00:00 2001
|
||||
From: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Date: Sat, 9 Feb 2019 12:08:33 +0100
|
||||
Subject: [PATCH 23/28] rt2800: move txstatus pending routine
|
||||
|
||||
Move rt2800usb_txstatus_pending routine to rt2800lib. It will be reused
|
||||
by rt2800mmio code.
|
||||
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
.../net/wireless/ralink/rt2x00/rt2800lib.c | 17 ++++++++++++++
|
||||
.../net/wireless/ralink/rt2x00/rt2800lib.h | 1 +
|
||||
.../net/wireless/ralink/rt2x00/rt2800usb.c | 22 +++----------------
|
||||
3 files changed, 21 insertions(+), 19 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
@@ -1183,6 +1183,23 @@ bool rt2800_txstatus_timeout(struct rt2x
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(rt2800_txstatus_timeout);
|
||||
|
||||
+/*
|
||||
+ * test if there is an entry in any TX queue for which DMA is done
|
||||
+ * but the TX status has not been returned yet
|
||||
+ */
|
||||
+bool rt2800_txstatus_pending(struct rt2x00_dev *rt2x00dev)
|
||||
+{
|
||||
+ struct data_queue *queue;
|
||||
+
|
||||
+ tx_queue_for_each(rt2x00dev, queue) {
|
||||
+ if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
|
||||
+ rt2x00queue_get_entry(queue, Q_INDEX_DONE))
|
||||
+ return true;
|
||||
+ }
|
||||
+ return false;
|
||||
+}
|
||||
+EXPORT_SYMBOL_GPL(rt2800_txstatus_pending);
|
||||
+
|
||||
void rt2800_txdone_nostatus(struct rt2x00_dev *rt2x00dev)
|
||||
{
|
||||
struct data_queue *queue;
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
|
||||
@@ -198,6 +198,7 @@ void rt2800_txdone_entry(struct queue_en
|
||||
void rt2800_txdone(struct rt2x00_dev *rt2x00dev, unsigned int quota);
|
||||
void rt2800_txdone_nostatus(struct rt2x00_dev *rt2x00dev);
|
||||
bool rt2800_txstatus_timeout(struct rt2x00_dev *rt2x00dev);
|
||||
+bool rt2800_txstatus_pending(struct rt2x00_dev *rt2x00dev);
|
||||
|
||||
void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc);
|
||||
void rt2800_clear_beacon(struct queue_entry *entry);
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
|
||||
@@ -100,22 +100,6 @@ static void rt2800usb_stop_queue(struct
|
||||
}
|
||||
}
|
||||
|
||||
-/*
|
||||
- * test if there is an entry in any TX queue for which DMA is done
|
||||
- * but the TX status has not been returned yet
|
||||
- */
|
||||
-static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
|
||||
-{
|
||||
- struct data_queue *queue;
|
||||
-
|
||||
- tx_queue_for_each(rt2x00dev, queue) {
|
||||
- if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
|
||||
- rt2x00queue_get_entry(queue, Q_INDEX_DONE))
|
||||
- return true;
|
||||
- }
|
||||
- return false;
|
||||
-}
|
||||
-
|
||||
#define TXSTATUS_READ_INTERVAL 1000000
|
||||
|
||||
static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
|
||||
@@ -145,7 +129,7 @@ static bool rt2800usb_tx_sta_fifo_read_c
|
||||
if (rt2800_txstatus_timeout(rt2x00dev))
|
||||
queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
|
||||
|
||||
- if (rt2800usb_txstatus_pending(rt2x00dev)) {
|
||||
+ if (rt2800_txstatus_pending(rt2x00dev)) {
|
||||
/* Read register after 1 ms */
|
||||
hrtimer_start(&rt2x00dev->txstatus_timer,
|
||||
TXSTATUS_READ_INTERVAL,
|
||||
@@ -160,7 +144,7 @@ stop_reading:
|
||||
* clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck
|
||||
* here again if status reading is needed.
|
||||
*/
|
||||
- if (rt2800usb_txstatus_pending(rt2x00dev) &&
|
||||
+ if (rt2800_txstatus_pending(rt2x00dev) &&
|
||||
!test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
|
||||
return true;
|
||||
else
|
||||
@@ -489,7 +473,7 @@ static void rt2800usb_work_txdone(struct
|
||||
* if the medium is busy, thus the TX_STA_FIFO entry is
|
||||
* also delayed -> use a timer to retrieve it.
|
||||
*/
|
||||
- if (rt2800usb_txstatus_pending(rt2x00dev))
|
||||
+ if (rt2800_txstatus_pending(rt2x00dev))
|
||||
rt2800usb_async_read_tx_status(rt2x00dev);
|
||||
}
|
||||
}
|
@ -0,0 +1,58 @@ |
||||
From f6a9618198e190a2ba09ce3f0aa8e9ee1763bd38 Mon Sep 17 00:00:00 2001
|
||||
From: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Date: Sat, 9 Feb 2019 12:08:34 +0100
|
||||
Subject: [PATCH 24/28] rt2800mmio: fetch tx status changes
|
||||
|
||||
Prepare to use rt2800mmio_fetch_txstatus() in concurrent manner and drop
|
||||
return value since is not longer needed.
|
||||
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
drivers/net/wireless/ralink/rt2x00/rt2800mmio.c | 17 +++++++++--------
|
||||
1 file changed, 9 insertions(+), 8 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
|
||||
@@ -255,12 +255,12 @@ void rt2800mmio_autowake_tasklet(unsigne
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(rt2800mmio_autowake_tasklet);
|
||||
|
||||
-static bool rt2800mmio_fetch_txstatus(struct rt2x00_dev *rt2x00dev)
|
||||
+static void rt2800mmio_fetch_txstatus(struct rt2x00_dev *rt2x00dev)
|
||||
{
|
||||
u32 status;
|
||||
- bool more = false;
|
||||
+ unsigned long flags;
|
||||
|
||||
- /* FIXEME: rewrite this comment
|
||||
+ /*
|
||||
* The TX_FIFO_STATUS interrupt needs special care. We should
|
||||
* read TX_STA_FIFO but we should do it immediately as otherwise
|
||||
* the register can overflow and we would lose status reports.
|
||||
@@ -271,20 +271,21 @@ static bool rt2800mmio_fetch_txstatus(st
|
||||
* because we can schedule the tasklet multiple times (when the
|
||||
* interrupt fires again during tx status processing).
|
||||
*
|
||||
- * txstatus tasklet is called with INT_SOURCE_CSR_TX_FIFO_STATUS
|
||||
- * disabled so have only one producer and one consumer - we don't
|
||||
- * need to lock the kfifo.
|
||||
+ * We also read statuses from tx status timeout timer, use
|
||||
+ * lock to prevent concurent writes to fifo.
|
||||
*/
|
||||
+
|
||||
+ spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
|
||||
+
|
||||
while (!kfifo_is_full(&rt2x00dev->txstatus_fifo)) {
|
||||
status = rt2x00mmio_register_read(rt2x00dev, TX_STA_FIFO);
|
||||
if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID))
|
||||
break;
|
||||
|
||||
kfifo_put(&rt2x00dev->txstatus_fifo, status);
|
||||
- more = true;
|
||||
}
|
||||
|
||||
- return more;
|
||||
+ spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
|
||||
}
|
||||
|
||||
void rt2800mmio_txstatus_tasklet(unsigned long data)
|
@ -0,0 +1,191 @@ |
||||
From 175c2548332b45b144af673e70fdbb1a947d7aba Mon Sep 17 00:00:00 2001
|
||||
From: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Date: Sat, 9 Feb 2019 12:08:35 +0100
|
||||
Subject: [PATCH 25/28] rt2800mmio: use timer and work for handling tx statuses
|
||||
timeouts
|
||||
|
||||
Sometimes we can get into situation when there are pending statuses,
|
||||
but we do not get INT_SOURCE_CSR_TX_FIFO_STATUS. Handle this situation
|
||||
by arming timeout timer and read statuses (it will fix case when
|
||||
we just do not have irq) and queue work to handle case we missed
|
||||
statues from hardware FIFO.
|
||||
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
.../net/wireless/ralink/rt2x00/rt2800mmio.c | 81 +++++++++++++++++--
|
||||
.../net/wireless/ralink/rt2x00/rt2800mmio.h | 1 +
|
||||
.../net/wireless/ralink/rt2x00/rt2800pci.c | 2 +-
|
||||
.../net/wireless/ralink/rt2x00/rt2800soc.c | 2 +-
|
||||
.../net/wireless/ralink/rt2x00/rt2x00dev.c | 4 +
|
||||
5 files changed, 82 insertions(+), 8 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
|
||||
@@ -426,6 +426,9 @@ void rt2800mmio_start_queue(struct data_
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(rt2800mmio_start_queue);
|
||||
|
||||
+/* 200 ms */
|
||||
+#define TXSTATUS_TIMEOUT 200000000
|
||||
+
|
||||
void rt2800mmio_kick_queue(struct data_queue *queue)
|
||||
{
|
||||
struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
|
||||
@@ -440,6 +443,8 @@ void rt2800mmio_kick_queue(struct data_q
|
||||
entry = rt2x00queue_get_entry(queue, Q_INDEX);
|
||||
rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX(queue->qid),
|
||||
entry->entry_idx);
|
||||
+ hrtimer_start(&rt2x00dev->txstatus_timer,
|
||||
+ TXSTATUS_TIMEOUT, HRTIMER_MODE_REL);
|
||||
break;
|
||||
case QID_MGMT:
|
||||
entry = rt2x00queue_get_entry(queue, Q_INDEX);
|
||||
@@ -484,12 +489,8 @@ void rt2800mmio_flush_queue(struct data_
|
||||
* For TX queues schedule completion tasklet to catch
|
||||
* tx status timeouts, othewise just wait.
|
||||
*/
|
||||
- if (tx_queue) {
|
||||
- tasklet_disable(&rt2x00dev->txstatus_tasklet);
|
||||
- rt2800_txdone(rt2x00dev, UINT_MAX);
|
||||
- rt2800_txdone_nostatus(rt2x00dev);
|
||||
- tasklet_enable(&rt2x00dev->txstatus_tasklet);
|
||||
- }
|
||||
+ if (tx_queue)
|
||||
+ queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
|
||||
|
||||
/*
|
||||
* Wait for a little while to give the driver
|
||||
@@ -627,6 +628,10 @@ void rt2800mmio_clear_entry(struct queue
|
||||
word = rt2x00_desc_read(entry_priv->desc, 1);
|
||||
rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1);
|
||||
rt2x00_desc_write(entry_priv->desc, 1, word);
|
||||
+
|
||||
+ /* If last entry stop txstatus timer */
|
||||
+ if (entry->queue->length == 1)
|
||||
+ hrtimer_cancel(&rt2x00dev->txstatus_timer);
|
||||
}
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(rt2800mmio_clear_entry);
|
||||
@@ -759,6 +764,70 @@ int rt2800mmio_enable_radio(struct rt2x0
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(rt2800mmio_enable_radio);
|
||||
|
||||
+static void rt2800mmio_work_txdone(struct work_struct *work)
|
||||
+{
|
||||
+ struct rt2x00_dev *rt2x00dev =
|
||||
+ container_of(work, struct rt2x00_dev, txdone_work);
|
||||
+
|
||||
+ if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
|
||||
+ return;
|
||||
+
|
||||
+ while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
|
||||
+ rt2800_txstatus_timeout(rt2x00dev)) {
|
||||
+
|
||||
+ tasklet_disable(&rt2x00dev->txstatus_tasklet);
|
||||
+ rt2800_txdone(rt2x00dev, UINT_MAX);
|
||||
+ rt2800_txdone_nostatus(rt2x00dev);
|
||||
+ tasklet_enable(&rt2x00dev->txstatus_tasklet);
|
||||
+ }
|
||||
+
|
||||
+ if (rt2800_txstatus_pending(rt2x00dev))
|
||||
+ hrtimer_start(&rt2x00dev->txstatus_timer,
|
||||
+ TXSTATUS_TIMEOUT, HRTIMER_MODE_REL);
|
||||
+}
|
||||
+
|
||||
+static enum hrtimer_restart rt2800mmio_tx_sta_fifo_timeout(struct hrtimer *timer)
|
||||
+{
|
||||
+ struct rt2x00_dev *rt2x00dev =
|
||||
+ container_of(timer, struct rt2x00_dev, txstatus_timer);
|
||||
+
|
||||
+ if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
|
||||
+ goto out;
|
||||
+
|
||||
+ if (!rt2800_txstatus_pending(rt2x00dev))
|
||||
+ goto out;
|
||||
+
|
||||
+ rt2800mmio_fetch_txstatus(rt2x00dev);
|
||||
+ if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo))
|
||||
+ tasklet_schedule(&rt2x00dev->txstatus_tasklet);
|
||||
+ else
|
||||
+ queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
|
||||
+out:
|
||||
+ return HRTIMER_NORESTART;
|
||||
+}
|
||||
+
|
||||
+int rt2800mmio_probe_hw(struct rt2x00_dev *rt2x00dev)
|
||||
+{
|
||||
+ int retval;
|
||||
+
|
||||
+ retval = rt2800_probe_hw(rt2x00dev);
|
||||
+ if (retval)
|
||||
+ return retval;
|
||||
+
|
||||
+ /*
|
||||
+ * Set txstatus timer function.
|
||||
+ */
|
||||
+ rt2x00dev->txstatus_timer.function = rt2800mmio_tx_sta_fifo_timeout;
|
||||
+
|
||||
+ /*
|
||||
+ * Overwrite TX done handler
|
||||
+ */
|
||||
+ INIT_WORK(&rt2x00dev->txdone_work, rt2800mmio_work_txdone);
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+EXPORT_SYMBOL_GPL(rt2800mmio_probe_hw);
|
||||
+
|
||||
MODULE_AUTHOR(DRV_PROJECT);
|
||||
MODULE_VERSION(DRV_VERSION);
|
||||
MODULE_DESCRIPTION("rt2800 MMIO library");
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.h
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.h
|
||||
@@ -153,6 +153,7 @@ void rt2800mmio_stop_queue(struct data_q
|
||||
void rt2800mmio_queue_init(struct data_queue *queue);
|
||||
|
||||
/* Initialization functions */
|
||||
+int rt2800mmio_probe_hw(struct rt2x00_dev *rt2x00dev);
|
||||
bool rt2800mmio_get_entry_state(struct queue_entry *entry);
|
||||
void rt2800mmio_clear_entry(struct queue_entry *entry);
|
||||
int rt2800mmio_init_queues(struct rt2x00_dev *rt2x00dev);
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800pci.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800pci.c
|
||||
@@ -346,7 +346,7 @@ static const struct rt2x00lib_ops rt2800
|
||||
.tbtt_tasklet = rt2800mmio_tbtt_tasklet,
|
||||
.rxdone_tasklet = rt2800mmio_rxdone_tasklet,
|
||||
.autowake_tasklet = rt2800mmio_autowake_tasklet,
|
||||
- .probe_hw = rt2800_probe_hw,
|
||||
+ .probe_hw = rt2800mmio_probe_hw,
|
||||
.get_firmware_name = rt2800pci_get_firmware_name,
|
||||
.check_firmware = rt2800_check_firmware,
|
||||
.load_firmware = rt2800_load_firmware,
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
|
||||
@@ -185,7 +185,7 @@ static const struct rt2x00lib_ops rt2800
|
||||
.tbtt_tasklet = rt2800mmio_tbtt_tasklet,
|
||||
.rxdone_tasklet = rt2800mmio_rxdone_tasklet,
|
||||
.autowake_tasklet = rt2800mmio_autowake_tasklet,
|
||||
- .probe_hw = rt2800_probe_hw,
|
||||
+ .probe_hw = rt2800mmio_probe_hw,
|
||||
.get_firmware_name = rt2800soc_get_firmware_name,
|
||||
.check_firmware = rt2800soc_check_firmware,
|
||||
.load_firmware = rt2800soc_load_firmware,
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
|
||||
@@ -1391,6 +1391,8 @@ int rt2x00lib_probe_dev(struct rt2x00_de
|
||||
mutex_init(&rt2x00dev->conf_mutex);
|
||||
INIT_LIST_HEAD(&rt2x00dev->bar_list);
|
||||
spin_lock_init(&rt2x00dev->bar_list_lock);
|
||||
+ hrtimer_init(&rt2x00dev->txstatus_timer, CLOCK_MONOTONIC,
|
||||
+ HRTIMER_MODE_REL);
|
||||
|
||||
set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
|
||||
|
||||
@@ -1515,6 +1517,8 @@ void rt2x00lib_remove_dev(struct rt2x00_
|
||||
cancel_delayed_work_sync(&rt2x00dev->autowakeup_work);
|
||||
cancel_work_sync(&rt2x00dev->sleep_work);
|
||||
|
||||
+ hrtimer_cancel(&rt2x00dev->txstatus_timer);
|
||||
+
|
||||
/*
|
||||
* Kill the tx status tasklet.
|
||||
*/
|
@ -0,0 +1,54 @@ |
||||
From 6013a91f15c9dabd668d5736652b9bcfb0ef0378 Mon Sep 17 00:00:00 2001
|
||||
From: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Date: Sat, 9 Feb 2019 12:08:36 +0100
|
||||
Subject: [PATCH 26/28] rt2x00: remove last_nostatus_check
|
||||
|
||||
We do not any longer check txstatus timeout from tasklet, so do not need
|
||||
this optimization.
|
||||
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 9 ---------
|
||||
drivers/net/wireless/ralink/rt2x00/rt2x00.h | 2 --
|
||||
drivers/net/wireless/ralink/rt2x00/rt2x00queue.c | 1 -
|
||||
3 files changed, 12 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
@@ -1164,15 +1164,6 @@ bool rt2800_txstatus_timeout(struct rt2x
|
||||
struct data_queue *queue;
|
||||
struct queue_entry *entry;
|
||||
|
||||
- if (!test_bit(DEVICE_STATE_FLUSHING, &rt2x00dev->flags)) {
|
||||
- unsigned long tout = msecs_to_jiffies(1000);
|
||||
-
|
||||
- if (time_before(jiffies, rt2x00dev->last_nostatus_check + tout))
|
||||
- return false;
|
||||
- }
|
||||
-
|
||||
- rt2x00dev->last_nostatus_check = jiffies;
|
||||
-
|
||||
tx_queue_for_each(rt2x00dev, queue) {
|
||||
entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
|
||||
if (rt2800_entry_txstatus_timeout(rt2x00dev, entry))
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
|
||||
@@ -981,8 +981,6 @@ struct rt2x00_dev {
|
||||
*/
|
||||
DECLARE_KFIFO_PTR(txstatus_fifo, u32);
|
||||
|
||||
- unsigned long last_nostatus_check;
|
||||
-
|
||||
/*
|
||||
* Timer to ensure tx status reports are read (rt2800usb).
|
||||
*/
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
|
||||
@@ -1039,7 +1039,6 @@ void rt2x00queue_start_queues(struct rt2
|
||||
*/
|
||||
tx_queue_for_each(rt2x00dev, queue)
|
||||
rt2x00queue_start_queue(queue);
|
||||
- rt2x00dev->last_nostatus_check = jiffies;
|
||||
|
||||
rt2x00queue_start_queue(rt2x00dev->rx);
|
||||
}
|
@ -0,0 +1,31 @@ |
||||
From 2758f09b22bc08e89e0391486b2d707ad2479599 Mon Sep 17 00:00:00 2001
|
||||
From: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Date: Sat, 9 Feb 2019 12:08:37 +0100
|
||||
Subject: [PATCH 27/28] rt2x00: remove not used entry field
|
||||
|
||||
Remove not used any longer queue_entry field and flag.
|
||||
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
drivers/net/wireless/ralink/rt2x00/rt2x00queue.h | 3 ---
|
||||
1 file changed, 3 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.h
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.h
|
||||
@@ -361,7 +361,6 @@ enum queue_entry_flags {
|
||||
ENTRY_DATA_PENDING,
|
||||
ENTRY_DATA_IO_FAILED,
|
||||
ENTRY_DATA_STATUS_PENDING,
|
||||
- ENTRY_DATA_STATUS_SET,
|
||||
};
|
||||
|
||||
/**
|
||||
@@ -387,8 +386,6 @@ struct queue_entry {
|
||||
|
||||
unsigned int entry_idx;
|
||||
|
||||
- u32 status;
|
||||
-
|
||||
void *priv_data;
|
||||
};
|
||||
|
@ -0,0 +1,23 @@ |
||||
From f44e145869bb517460648e4ed71b7e9001964d06 Mon Sep 17 00:00:00 2001
|
||||
From: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
Date: Sat, 9 Feb 2019 12:08:38 +0100
|
||||
Subject: [PATCH 28/28] rt2x00mmio: remove legacy comment
|
||||
|
||||
Remove comment about fields that ware removed.
|
||||
|
||||
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
|
||||
---
|
||||
drivers/net/wireless/ralink/rt2x00/rt2x00mmio.h | 2 --
|
||||
1 file changed, 2 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00mmio.h
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mmio.h
|
||||
@@ -80,8 +80,6 @@ int rt2x00mmio_regbusy_read(struct rt2x0
|
||||
*
|
||||
* @desc: Pointer to device descriptor
|
||||
* @desc_dma: DMA pointer to &desc.
|
||||
- * @data: Pointer to device's entry memory.
|
||||
- * @data_dma: DMA pointer to &data.
|
||||
*/
|
||||
struct queue_entry_priv_mmio {
|
||||
__le32 *desc;
|
@ -1,114 +0,0 @@ |
||||
From patchwork Thu Dec 27 14:05:25 2018
|
||||
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To: linux-wireless@vger.kernel.org
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Subject: [PATCH 1/2] rt2x00: reduce tx power to nominal level on RT6352
|
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Date: Thu, 27 Dec 2018 15:05:25 +0100
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Message-Id: <1545919526-4074-1-git-send-email-pozega.tomislav@gmail.com>
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Current implementation of RT6352 support provides too high tx power
|
||||
at least on iPA/eLNA devices. Reduce amplification of variable gain
|
||||
amplifier by 6dB to match board target power of 17dBm.
|
||||
Transmited signal strength with this patch is similar to that of
|
||||
stock firmware or pandorabox firmware. Throughput measured with iperf
|
||||
improves. Device tested: Xiaomi Miwifi Mini.
|
||||
|
||||
Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
|
||||
---
|
||||
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 2 +-
|
||||
1 files changed, 1 insertions(+), 1 deletions(-)
|
||||
|
||||
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
||||
@@ -5814,7 +5814,7 @@ static int rt2800_init_registers(struct
|
||||
rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
|
||||
rt2800_register_write(rt2x00dev, MIMO_PS_CFG, 0x00000002);
|
||||
rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x00150F0F);
|
||||
- rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x06060606);
|
||||
+ rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x00000000);
|
||||
rt2800_register_write(rt2x00dev, TX0_BB_GAIN_ATTEN, 0x0);
|
||||
rt2800_register_write(rt2x00dev, TX1_BB_GAIN_ATTEN, 0x0);
|
||||
rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6C6C666C);
|
Loading…
Reference in new issue