Signed-off-by: Rafał Miłecki <zajec5@gmail.com> SVN-Revision: 48111master
parent
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ccb7d794ff
@ -1,65 +0,0 @@ |
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From 666bdfc027cde41a171862dc698987a378c8b66a Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Mon, 9 Feb 2015 18:00:42 +0100
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Subject: [PATCH RFC] bcma: use two different initcalls if built-in
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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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This is needed as we can't initialize bus during fs_initcall.
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Initialization requires SPROM which depends on NVRAM which depends on
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mtd. Since mtd, spi, nand, spi-nor use standard module_init, we have to
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do the same in bcma.
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Without this we'll try to initialize SPROM without having a ready SPROM
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proviver registered using bcma_arch_register_fallback_sprom.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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---
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While this patch seems to work and I can compile bcma as built-in and
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module, I'm not too proud of it. I don't really like these #if(n)def
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tricks and I'm afraid bcma_modinit may be called even if
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bcma_modinit_early failed.
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Do you see any better idea of solving this?
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---
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drivers/bcma/main.c | 16 ++++++++++++++--
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1 file changed, 14 insertions(+), 2 deletions(-)
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--- a/drivers/bcma/main.c
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+++ b/drivers/bcma/main.c
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@@ -637,13 +637,25 @@ static int bcma_device_uevent(struct dev
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core->id.rev, core->id.class);
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}
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+/* Bus has to be registered early, before any bcma driver */
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+static int __init bcma_modinit_early(void)
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+{
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+ return bus_register(&bcma_bus_type);
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+}
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+#ifndef MODULE
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+fs_initcall(bcma_modinit_early);
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+#endif
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+
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+/* Initialization has to be done later with SPI/mtd/NAND/SPROM available */
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static int __init bcma_modinit(void)
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{
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int err;
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- err = bus_register(&bcma_bus_type);
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+#ifdef MODULE
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+ err = bcma_modinit_early();
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if (err)
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return err;
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+#endif
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err = bcma_host_soc_register_driver();
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if (err) {
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@@ -660,7 +672,7 @@ static int __init bcma_modinit(void)
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return err;
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}
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-fs_initcall(bcma_modinit);
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+module_init(bcma_modinit);
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static void __exit bcma_modexit(void)
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{
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@ -1,65 +0,0 @@ |
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From 666bdfc027cde41a171862dc698987a378c8b66a Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Mon, 9 Feb 2015 18:00:42 +0100
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Subject: [PATCH RFC] bcma: use two different initcalls if built-in
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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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This is needed as we can't initialize bus during fs_initcall.
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Initialization requires SPROM which depends on NVRAM which depends on
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mtd. Since mtd, spi, nand, spi-nor use standard module_init, we have to
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do the same in bcma.
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Without this we'll try to initialize SPROM without having a ready SPROM
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proviver registered using bcma_arch_register_fallback_sprom.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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---
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While this patch seems to work and I can compile bcma as built-in and
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module, I'm not too proud of it. I don't really like these #if(n)def
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tricks and I'm afraid bcma_modinit may be called even if
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bcma_modinit_early failed.
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Do you see any better idea of solving this?
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---
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drivers/bcma/main.c | 16 ++++++++++++++--
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1 file changed, 14 insertions(+), 2 deletions(-)
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--- a/drivers/bcma/main.c
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+++ b/drivers/bcma/main.c
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@@ -673,13 +673,25 @@ static int bcma_device_uevent(struct dev
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core->id.rev, core->id.class);
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}
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+/* Bus has to be registered early, before any bcma driver */
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+static int __init bcma_modinit_early(void)
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+{
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+ return bus_register(&bcma_bus_type);
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+}
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+#ifndef MODULE
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+fs_initcall(bcma_modinit_early);
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+#endif
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+
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+/* Initialization has to be done later with SPI/mtd/NAND/SPROM available */
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static int __init bcma_modinit(void)
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{
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int err;
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- err = bus_register(&bcma_bus_type);
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+#ifdef MODULE
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+ err = bcma_modinit_early();
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if (err)
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return err;
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+#endif
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err = bcma_host_soc_register_driver();
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if (err) {
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@@ -696,7 +708,7 @@ static int __init bcma_modinit(void)
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return err;
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}
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-fs_initcall(bcma_modinit);
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+module_init(bcma_modinit);
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static void __exit bcma_modexit(void)
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{
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@ -1,65 +0,0 @@ |
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From 666bdfc027cde41a171862dc698987a378c8b66a Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Mon, 9 Feb 2015 18:00:42 +0100
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Subject: [PATCH RFC] bcma: use two different initcalls if built-in
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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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This is needed as we can't initialize bus during fs_initcall.
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Initialization requires SPROM which depends on NVRAM which depends on
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mtd. Since mtd, spi, nand, spi-nor use standard module_init, we have to
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do the same in bcma.
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Without this we'll try to initialize SPROM without having a ready SPROM
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proviver registered using bcma_arch_register_fallback_sprom.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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---
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While this patch seems to work and I can compile bcma as built-in and
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module, I'm not too proud of it. I don't really like these #if(n)def
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tricks and I'm afraid bcma_modinit may be called even if
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bcma_modinit_early failed.
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Do you see any better idea of solving this?
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---
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drivers/bcma/main.c | 16 ++++++++++++++--
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1 file changed, 14 insertions(+), 2 deletions(-)
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--- a/drivers/bcma/main.c
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+++ b/drivers/bcma/main.c
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@@ -668,13 +668,25 @@ static int bcma_device_uevent(struct dev
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core->id.rev, core->id.class);
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}
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+/* Bus has to be registered early, before any bcma driver */
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+static int __init bcma_modinit_early(void)
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+{
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+ return bus_register(&bcma_bus_type);
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+}
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+#ifndef MODULE
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+fs_initcall(bcma_modinit_early);
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+#endif
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+
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+/* Initialization has to be done later with SPI/mtd/NAND/SPROM available */
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static int __init bcma_modinit(void)
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{
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int err;
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- err = bus_register(&bcma_bus_type);
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+#ifdef MODULE
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+ err = bcma_modinit_early();
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if (err)
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return err;
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+#endif
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err = bcma_host_soc_register_driver();
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if (err) {
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@@ -691,7 +703,7 @@ static int __init bcma_modinit(void)
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return err;
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}
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-fs_initcall(bcma_modinit);
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+module_init(bcma_modinit);
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static void __exit bcma_modexit(void)
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{
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@ -0,0 +1,49 @@ |
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--- a/drivers/bcma/main.c
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+++ b/drivers/bcma/main.c
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@@ -637,11 +637,36 @@ static int bcma_device_uevent(struct dev
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core->id.rev, core->id.class);
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}
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-static int __init bcma_modinit(void)
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+static unsigned int bcma_bus_registered;
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+
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+/*
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+ * If built-in, bus has to be registered early, before any driver calls
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+ * bcma_driver_register.
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+ * Otherwise registering driver would trigger BUG in driver_register.
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+ */
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+static int __init bcma_init_bus_register(void)
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{
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int err;
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+ if (bcma_bus_registered)
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+ return 0;
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+
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err = bus_register(&bcma_bus_type);
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+ if (!err)
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+ bcma_bus_registered = 1;
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+
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+ return err;
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+}
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+#ifndef MODULE
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+fs_initcall(bcma_init_bus_register);
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+#endif
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+
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+/* Main initialization has to be done with SPI/mtd/NAND/SPROM available */
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+static int __init bcma_modinit(void)
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+{
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+ int err;
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+
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+ err = bcma_init_bus_register();
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if (err)
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return err;
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@@ -660,7 +685,7 @@ static int __init bcma_modinit(void)
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return err;
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}
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-fs_initcall(bcma_modinit);
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+module_init(bcma_modinit);
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static void __exit bcma_modexit(void)
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{
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@ -0,0 +1,49 @@ |
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--- a/drivers/bcma/main.c
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+++ b/drivers/bcma/main.c
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@@ -668,11 +668,36 @@ static int bcma_device_uevent(struct dev
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core->id.rev, core->id.class);
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}
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-static int __init bcma_modinit(void)
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+static unsigned int bcma_bus_registered;
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+
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+/*
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+ * If built-in, bus has to be registered early, before any driver calls
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+ * bcma_driver_register.
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+ * Otherwise registering driver would trigger BUG in driver_register.
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+ */
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+static int __init bcma_init_bus_register(void)
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{
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int err;
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+ if (bcma_bus_registered)
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+ return 0;
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+
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err = bus_register(&bcma_bus_type);
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+ if (!err)
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+ bcma_bus_registered = 1;
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+
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+ return err;
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+}
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+#ifndef MODULE
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+fs_initcall(bcma_init_bus_register);
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+#endif
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+
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+/* Main initialization has to be done with SPI/mtd/NAND/SPROM available */
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+static int __init bcma_modinit(void)
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+{
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+ int err;
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+
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+ err = bcma_init_bus_register();
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if (err)
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return err;
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@@ -691,7 +716,7 @@ static int __init bcma_modinit(void)
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return err;
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}
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-fs_initcall(bcma_modinit);
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+module_init(bcma_modinit);
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static void __exit bcma_modexit(void)
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{
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@ -0,0 +1,49 @@ |
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--- a/drivers/bcma/main.c
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+++ b/drivers/bcma/main.c
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@@ -668,11 +668,36 @@ static int bcma_device_uevent(struct dev
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core->id.rev, core->id.class);
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}
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-static int __init bcma_modinit(void)
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+static unsigned int bcma_bus_registered;
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+
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+/*
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+ * If built-in, bus has to be registered early, before any driver calls
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+ * bcma_driver_register.
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+ * Otherwise registering driver would trigger BUG in driver_register.
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+ */
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+static int __init bcma_init_bus_register(void)
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{
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int err;
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+ if (bcma_bus_registered)
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+ return 0;
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+
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err = bus_register(&bcma_bus_type);
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+ if (!err)
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+ bcma_bus_registered = 1;
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+
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+ return err;
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+}
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+#ifndef MODULE
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+fs_initcall(bcma_init_bus_register);
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+#endif
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+
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+/* Main initialization has to be done with SPI/mtd/NAND/SPROM available */
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+static int __init bcma_modinit(void)
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+{
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+ int err;
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+
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+ err = bcma_init_bus_register();
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if (err)
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return err;
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@@ -691,7 +716,7 @@ static int __init bcma_modinit(void)
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return err;
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}
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-fs_initcall(bcma_modinit);
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+module_init(bcma_modinit);
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static void __exit bcma_modexit(void)
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{
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Reference in new issue