diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.8/009-MIPS-ath79-simplify-MISC-IRQ-handling.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.8/009-MIPS-ath79-simplify-MISC-IRQ-handling.patch | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/target/linux/ar71xx/patches-3.8/009-MIPS-ath79-simplify-MISC-IRQ-handling.patch b/target/linux/ar71xx/patches-3.8/009-MIPS-ath79-simplify-MISC-IRQ-handling.patch deleted file mode 100644 index 146bf25..0000000 --- a/target/linux/ar71xx/patches-3.8/009-MIPS-ath79-simplify-MISC-IRQ-handling.patch +++ /dev/null @@ -1,90 +0,0 @@ -From 1690e8f8efdeedbd23bb34a3bc5803c34f2d3f66 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos <juhosg@openwrt.org> -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 <juhosg@openwrt.org> -Patchwork: http://patchwork.linux-mips.org/patch/4874/ -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - 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 - pending = __raw_readl(base + AR71XX_RESET_REG_MISC_INT_STATUS) & - __raw_readl(base + AR71XX_RESET_REG_MISC_INT_ENABLE); - -- if (pending & MISC_INT_UART) -- generic_handle_irq(ATH79_MISC_IRQ_UART); -- -- else if (pending & MISC_INT_DMA) -- generic_handle_irq(ATH79_MISC_IRQ_DMA); -- -- else if (pending & MISC_INT_PERFC) -- generic_handle_irq(ATH79_MISC_IRQ_PERFC); -- -- else if (pending & MISC_INT_TIMER) -- generic_handle_irq(ATH79_MISC_IRQ_TIMER); -- -- else if (pending & MISC_INT_TIMER2) -- generic_handle_irq(ATH79_MISC_IRQ_TIMER2); -- -- else if (pending & MISC_INT_TIMER3) -- generic_handle_irq(ATH79_MISC_IRQ_TIMER3); -- -- else if (pending & MISC_INT_TIMER4) -- generic_handle_irq(ATH79_MISC_IRQ_TIMER4); -- -- else if (pending & MISC_INT_OHCI) -- generic_handle_irq(ATH79_MISC_IRQ_OHCI); -- -- else if (pending & MISC_INT_ERROR) -- generic_handle_irq(ATH79_MISC_IRQ_ERROR); -- -- else if (pending & MISC_INT_GPIO) -- generic_handle_irq(ATH79_MISC_IRQ_GPIO); -- -- else if (pending & MISC_INT_WDOG) -- generic_handle_irq(ATH79_MISC_IRQ_WDOG); -+ if (!pending) { -+ spurious_interrupt(); -+ return; -+ } - -- else if (pending & MISC_INT_ETHSW) -- generic_handle_irq(ATH79_MISC_IRQ_ETHSW); -+ while (pending) { -+ int bit = __ffs(pending); - -- else -- spurious_interrupt(); -+ generic_handle_irq(ATH79_MISC_IRQ(bit)); -+ pending &= ~BIT(bit); -+ } - } - - static void ar71xx_misc_irq_unmask(struct irq_data *d) ---- a/arch/mips/include/asm/mach-ath79/irq.h -+++ b/arch/mips/include/asm/mach-ath79/irq.h -@@ -14,6 +14,7 @@ - - #define ATH79_MISC_IRQ_BASE 8 - #define ATH79_MISC_IRQ_COUNT 32 -+#define ATH79_MISC_IRQ(_x) (ATH79_MISC_IRQ_BASE + (_x)) - - #define ATH79_PCI_IRQ_BASE (ATH79_MISC_IRQ_BASE + ATH79_MISC_IRQ_COUNT) - #define ATH79_PCI_IRQ_COUNT 6 |