From 12d49b5195716dfebb65da590646c6ebd6cacf70 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Mon, 4 Mar 2013 11:48:06 +0000 Subject: [PATCH] ar71xx: use backported MISC IRQ patch Signed-off-by: Gabor Juhos SVN-Revision: 35876 --- ...PS-ath79-simplify-MISC-IRQ-handling.patch} | 24 +++++++++++++++++++ ...RQ-handling-code-for-the-QCA955X-SoC.patch | 14 +++++------ 2 files changed, 31 insertions(+), 7 deletions(-) rename target/linux/ar71xx/patches-3.8/{210-MIPS-ath79-simplify-misc-irq-handling.patch => 009-MIPS-ath79-simplify-MISC-IRQ-handling.patch} (66%) diff --git a/target/linux/ar71xx/patches-3.8/210-MIPS-ath79-simplify-misc-irq-handling.patch b/target/linux/ar71xx/patches-3.8/009-MIPS-ath79-simplify-MISC-IRQ-handling.patch similarity index 66% rename from target/linux/ar71xx/patches-3.8/210-MIPS-ath79-simplify-misc-irq-handling.patch rename to target/linux/ar71xx/patches-3.8/009-MIPS-ath79-simplify-MISC-IRQ-handling.patch index 84a8ca36fc2..146bf25cce0 100644 --- a/target/linux/ar71xx/patches-3.8/210-MIPS-ath79-simplify-misc-irq-handling.patch +++ b/target/linux/ar71xx/patches-3.8/009-MIPS-ath79-simplify-MISC-IRQ-handling.patch @@ -1,3 +1,27 @@ +From 1690e8f8efdeedbd23bb34a3bc5803c34f2d3f66 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Tue, 29 Jan 2013 16:13:17 +0000 +Subject: [PATCH] MIPS: ath79: simplify MISC IRQ handling + +commit 9c099c4e79b67d5578ce8142e6214950be4fcf43 upstream. + +The current code uses multiple if statements for +demultiplexing the different interrupt sources. +Additionally, the MISC interrupt controller has +32 interrupt sources and the current code does not +handles all of them. + +Get rid of the if statements and process all interrupt +sources in a loop to fix these issues. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4874/ +Signed-off-by: John Crispin +--- + arch/mips/ath79/irq.c | 45 +++++++------------------------- + arch/mips/include/asm/mach-ath79/irq.h | 1 + + 2 files changed, 10 insertions(+), 36 deletions(-) + --- a/arch/mips/ath79/irq.c +++ b/arch/mips/ath79/irq.c @@ -35,44 +35,17 @@ static void ath79_misc_irq_handler(unsig diff --git a/target/linux/ar71xx/patches-3.8/163-MIPS-ath79-add-IRQ-handling-code-for-the-QCA955X-SoC.patch b/target/linux/ar71xx/patches-3.8/163-MIPS-ath79-add-IRQ-handling-code-for-the-QCA955X-SoC.patch index 8d24c742d37..e30e4e7032e 100644 --- a/target/linux/ar71xx/patches-3.8/163-MIPS-ath79-add-IRQ-handling-code-for-the-QCA955X-SoC.patch +++ b/target/linux/ar71xx/patches-3.8/163-MIPS-ath79-add-IRQ-handling-code-for-the-QCA955X-SoC.patch @@ -12,7 +12,7 @@ Signed-off-by: Gabor Juhos --- a/arch/mips/ath79/irq.c +++ b/arch/mips/ath79/irq.c -@@ -130,7 +130,10 @@ static void __init ath79_misc_irq_init(v +@@ -103,7 +103,10 @@ static void __init ath79_misc_irq_init(v if (soc_is_ar71xx() || soc_is_ar913x()) ath79_misc_irq_chip.irq_mask_ack = ar71xx_misc_irq_mask; @@ -24,7 +24,7 @@ Signed-off-by: Gabor Juhos ath79_misc_irq_chip.irq_ack = ar724x_misc_irq_ack; else BUG(); -@@ -177,6 +180,88 @@ static void ar934x_ip2_irq_init(void) +@@ -150,6 +153,88 @@ static void ar934x_ip2_irq_init(void) irq_set_chained_handler(ATH79_CPU_IRQ_IP2, ar934x_ip2_irq_dispatch); } @@ -113,7 +113,7 @@ Signed-off-by: Gabor Juhos asmlinkage void plat_irq_dispatch(void) { unsigned long pending; -@@ -212,6 +297,17 @@ asmlinkage void plat_irq_dispatch(void) +@@ -185,6 +270,17 @@ asmlinkage void plat_irq_dispatch(void) * Issue a flush in the handlers to ensure that the driver sees * the update. */ @@ -131,7 +131,7 @@ Signed-off-by: Gabor Juhos static void ar71xx_ip2_handler(void) { ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_PCI); -@@ -236,11 +332,6 @@ static void ar933x_ip2_handler(void) +@@ -209,11 +305,6 @@ static void ar933x_ip2_handler(void) do_IRQ(ATH79_CPU_IRQ_IP2); } @@ -143,7 +143,7 @@ Signed-off-by: Gabor Juhos static void ar71xx_ip3_handler(void) { ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_USB); -@@ -286,8 +377,11 @@ void __init arch_init_irq(void) +@@ -259,8 +350,11 @@ void __init arch_init_irq(void) ath79_ip2_handler = ar933x_ip2_handler; ath79_ip3_handler = ar933x_ip3_handler; } else if (soc_is_ar934x()) { @@ -156,7 +156,7 @@ Signed-off-by: Gabor Juhos } else { BUG(); } -@@ -298,4 +392,6 @@ void __init arch_init_irq(void) +@@ -271,4 +365,6 @@ void __init arch_init_irq(void) if (soc_is_ar934x()) ar934x_ip2_irq_init(); @@ -222,7 +222,7 @@ Signed-off-by: Gabor Juhos #define ATH79_MISC_IRQ_BASE 8 #define ATH79_MISC_IRQ_COUNT 32 -@@ -23,8 +23,13 @@ +@@ -24,8 +24,13 @@ #define ATH79_IP2_IRQ_COUNT 2 #define ATH79_IP2_IRQ(_x) (ATH79_IP2_IRQ_BASE + (_x)) -- 2.30.2