ar71xx: add an external reset callback for ar913x and use it in ath9k - should reduce the frequency of DMA stop failures

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36530 3c298f89-4303-0410-b956-a3cf2f4a3e73

5 files changed, 36 insertions, 5 deletions

diff --git a/target/linux/ar71xx/patches-3.8/480-ar913x_wmac_external_reset.patch b/target/linux/ar71xx/patches-3.8/480-ar913x_wmac_external_reset.patch
new file mode 100644
index 000000000..9b704a3c4
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.8/480-ar913x_wmac_external_reset.patch
@@ -0,0 +1,31 @@
+--- a/arch/mips/ath79/dev-wmac.c
++++ b/arch/mips/ath79/dev-wmac.c
+@@ -44,7 +44,7 @@ static struct platform_device ath79_wmac
+ 	},
+ };
+ 
+-static void __init ar913x_wmac_setup(void)
++static int ar913x_wmac_reset(void)
+ {
+ 	/* reset the WMAC */
+ 	ath79_device_reset_set(AR913X_RESET_AMBA2WMAC);
+@@ -53,10 +53,19 @@ static void __init ar913x_wmac_setup(voi
+ 	ath79_device_reset_clear(AR913X_RESET_AMBA2WMAC);
+ 	mdelay(10);
+ 
++	return 0;
++}
++
++static void __init ar913x_wmac_setup(void)
++{
++	ar913x_wmac_reset();
++
+ 	ath79_wmac_resources[0].start = AR913X_WMAC_BASE;
+ 	ath79_wmac_resources[0].end = AR913X_WMAC_BASE + AR913X_WMAC_SIZE - 1;
+ 	ath79_wmac_resources[1].start = ATH79_CPU_IRQ(2);
+ 	ath79_wmac_resources[1].end = ATH79_CPU_IRQ(2);
++
++	ath79_wmac_data.external_reset = ar913x_wmac_reset;
+ }
+ 
+ 
diff --git a/target/linux/ar71xx/patches-3.8/501-MIPS-ath79-add-mac-argument-to-ath79_register_wmac.patch b/target/linux/ar71xx/patches-3.8/501-MIPS-ath79-add-mac-argument-to-ath79_register_wmac.patch
index de0db9a96..d9b8682f0 100644
--- a/target/linux/ar71xx/patches-3.8/501-MIPS-ath79-add-mac-argument-to-ath79_register_wmac.patch
+++ b/target/linux/ar71xx/patches-3.8/501-MIPS-ath79-add-mac-argument-to-ath79_register_wmac.patch
@@ -16,7 +16,7 @@
  static struct ath9k_platform_data ath79_wmac_data;
  
  static struct resource ath79_wmac_resources[] = {
-@@ -151,7 +153,7 @@ static void qca955x_wmac_setup(void)
+@@ -160,7 +162,7 @@ static void qca955x_wmac_setup(void)
  		ath79_wmac_data.is_clk_25mhz = true;
  }
  
@@ -25,7 +25,7 @@
  {
  	if (soc_is_ar913x())
  		ar913x_wmac_setup();
-@@ -168,5 +170,10 @@ void __init ath79_register_wmac(u8 *cal_
+@@ -177,5 +179,10 @@ void __init ath79_register_wmac(u8 *cal_
  		memcpy(ath79_wmac_data.eeprom_data, cal_data,
  		       sizeof(ath79_wmac_data.eeprom_data));
  
diff --git a/target/linux/ar71xx/patches-3.8/522-MIPS-ath79-add-ath79_wmac_register_simple-helper.patch b/target/linux/ar71xx/patches-3.8/522-MIPS-ath79-add-ath79_wmac_register_simple-helper.patch
index 74309b631..74928e683 100644
--- a/target/linux/ar71xx/patches-3.8/522-MIPS-ath79-add-ath79_wmac_register_simple-helper.patch
+++ b/target/linux/ar71xx/patches-3.8/522-MIPS-ath79-add-ath79_wmac_register_simple-helper.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/ath79/dev-wmac.c
 +++ b/arch/mips/ath79/dev-wmac.c
-@@ -180,3 +180,9 @@ void __init ath79_register_wmac(u8 *cal_
+@@ -189,3 +189,9 @@ void __init ath79_register_wmac(u8 *cal_
  
  	platform_device_register(&ath79_wmac_device);
  }
diff --git a/target/linux/ar71xx/patches-3.8/523-MIPS-ath79-OTP-support.patch b/target/linux/ar71xx/patches-3.8/523-MIPS-ath79-OTP-support.patch
index 84273d3d4..0672cf170 100644
--- a/target/linux/ar71xx/patches-3.8/523-MIPS-ath79-OTP-support.patch
+++ b/target/linux/ar71xx/patches-3.8/523-MIPS-ath79-OTP-support.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/ath79/dev-wmac.c
 +++ b/arch/mips/ath79/dev-wmac.c
-@@ -156,6 +156,137 @@ static void qca955x_wmac_setup(void)
+@@ -165,6 +165,137 @@ static void qca955x_wmac_setup(void)
  		ath79_wmac_data.is_clk_25mhz = true;
  }
  
diff --git a/target/linux/ar71xx/patches-3.8/524-MIPS-ath79-add-ath79_wmac_disable_25ghz-helpers.patch b/target/linux/ar71xx/patches-3.8/524-MIPS-ath79-add-ath79_wmac_disable_25ghz-helpers.patch
index 8c6fd408f..7b4b6ef28 100644
--- a/target/linux/ar71xx/patches-3.8/524-MIPS-ath79-add-ath79_wmac_disable_25ghz-helpers.patch
+++ b/target/linux/ar71xx/patches-3.8/524-MIPS-ath79-add-ath79_wmac_disable_25ghz-helpers.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/ath79/dev-wmac.c
 +++ b/arch/mips/ath79/dev-wmac.c
-@@ -287,6 +287,16 @@ bool __init ar93xx_wmac_read_mac_address
+@@ -296,6 +296,16 @@ bool __init ar93xx_wmac_read_mac_address
  	return ret;
  }