You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1.6 KiB
42 lines
1.6 KiB
From 0338642c5eeaaf03cd4a63e211b94596c559e6e5 Mon Sep 17 00:00:00 2001
|
|
From: Jes Sorensen <Jes.Sorensen@redhat.com>
|
|
Date: Wed, 22 Jun 2016 22:09:35 -0400
|
|
Subject: [PATCH] rtl8xxxu: gen1: Set aggregation timeout (REG_RXDMA_AGG_PG_TH
|
|
+ 1) as well
|
|
|
|
gen2 chips as well as 8188eu seems to use this register for setting
|
|
DMA timeout threshold values, however the 8192cu is using
|
|
REG_USB_DMA_AGG_TO. Set both to be on the safe side.
|
|
|
|
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
|
|
---
|
|
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 11 +++++++++--
|
|
1 file changed, 9 insertions(+), 2 deletions(-)
|
|
|
|
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
|
|
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
|
|
@@ -4410,7 +4410,7 @@ void rtl8xxxu_gen2_report_connect(struct
|
|
|
|
void rtl8xxxu_gen1_init_aggregation(struct rtl8xxxu_priv *priv)
|
|
{
|
|
- u8 agg_ctrl, usb_spec, page_thresh;
|
|
+ u8 agg_ctrl, usb_spec, page_thresh, timeout;
|
|
|
|
usb_spec = rtl8xxxu_read8(priv, REG_USB_SPECIAL_OPTION);
|
|
usb_spec &= ~USB_SPEC_USB_AGG_ENABLE;
|
|
@@ -4442,7 +4442,14 @@ void rtl8xxxu_gen1_init_aggregation(stru
|
|
|
|
page_thresh = (priv->fops->rx_agg_buf_size / 512);
|
|
rtl8xxxu_write8(priv, REG_RXDMA_AGG_PG_TH, page_thresh);
|
|
- rtl8xxxu_write8(priv, REG_USB_DMA_AGG_TO, 4);
|
|
+ /*
|
|
+ * REG_RXDMA_AGG_PG_TH + 1 seems to be the timeout register on
|
|
+ * gen2 chips and rtl8188eu. The rtl8723au seems unhappy if we
|
|
+ * don't set it, so better set both.
|
|
+ */
|
|
+ timeout = 4;
|
|
+ rtl8xxxu_write8(priv, REG_RXDMA_AGG_PG_TH + 1, timeout);
|
|
+ rtl8xxxu_write8(priv, REG_USB_DMA_AGG_TO, timeout);
|
|
priv->rx_buf_aggregation = 1;
|
|
}
|
|
|
|
|