From c77c54e6845c201483a75dfc931f7065d3d35c84 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Sun, 15 Feb 2015 19:45:29 +0000 Subject: ar71xx: add v3.18 support Signed-off-by: John Crispin git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44456 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../736-MIPS-ath79-fix-chained-irq-disable.patch | 93 ++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 target/linux/ar71xx/patches-3.18/736-MIPS-ath79-fix-chained-irq-disable.patch (limited to 'target/linux/ar71xx/patches-3.18/736-MIPS-ath79-fix-chained-irq-disable.patch') diff --git a/target/linux/ar71xx/patches-3.18/736-MIPS-ath79-fix-chained-irq-disable.patch b/target/linux/ar71xx/patches-3.18/736-MIPS-ath79-fix-chained-irq-disable.patch new file mode 100644 index 0000000000..8cb38d3971 --- /dev/null +++ b/target/linux/ar71xx/patches-3.18/736-MIPS-ath79-fix-chained-irq-disable.patch @@ -0,0 +1,93 @@ +--- a/arch/mips/ath79/irq.c ++++ b/arch/mips/ath79/irq.c +@@ -26,6 +26,8 @@ + + static void (*ath79_ip2_handler)(void); + static void (*ath79_ip3_handler)(void); ++static struct irq_chip ip2_chip; ++static struct irq_chip ip3_chip; + + static void ath79_misc_irq_handler(unsigned int irq, struct irq_desc *desc) + { +@@ -149,8 +151,7 @@ static void ar934x_ip2_irq_init(void) + + for (i = ATH79_IP2_IRQ_BASE; + i < ATH79_IP2_IRQ_BASE + ATH79_IP2_IRQ_COUNT; i++) +- irq_set_chip_and_handler(i, &dummy_irq_chip, +- handle_level_irq); ++ irq_set_chip_and_handler(i, &ip2_chip, handle_level_irq); + + irq_set_chained_handler(ATH79_CPU_IRQ(2), ar934x_ip2_irq_dispatch); + } +@@ -224,15 +225,13 @@ static void qca955x_irq_init(void) + + for (i = ATH79_IP2_IRQ_BASE; + i < ATH79_IP2_IRQ_BASE + ATH79_IP2_IRQ_COUNT; i++) +- irq_set_chip_and_handler(i, &dummy_irq_chip, +- handle_level_irq); ++ irq_set_chip_and_handler(i, &ip2_chip, handle_level_irq); + + irq_set_chained_handler(ATH79_CPU_IRQ(2), qca955x_ip2_irq_dispatch); + + for (i = ATH79_IP3_IRQ_BASE; + i < ATH79_IP3_IRQ_BASE + ATH79_IP3_IRQ_COUNT; i++) +- irq_set_chip_and_handler(i, &dummy_irq_chip, +- handle_level_irq); ++ irq_set_chip_and_handler(i, &ip3_chip, handle_level_irq); + + irq_set_chained_handler(ATH79_CPU_IRQ(3), qca955x_ip3_irq_dispatch); + } +@@ -313,15 +312,13 @@ static void qca956x_irq_init(void) + + for (i = ATH79_IP2_IRQ_BASE; + i < ATH79_IP2_IRQ_BASE + ATH79_IP2_IRQ_COUNT; i++) +- irq_set_chip_and_handler(i, &dummy_irq_chip, +- handle_level_irq); ++ irq_set_chip_and_handler(i, &ip2_chip, handle_level_irq); + + irq_set_chained_handler(ATH79_CPU_IRQ(2), qca956x_ip2_irq_dispatch); + + for (i = ATH79_IP3_IRQ_BASE; + i < ATH79_IP3_IRQ_BASE + ATH79_IP3_IRQ_COUNT; i++) +- irq_set_chip_and_handler(i, &dummy_irq_chip, +- handle_level_irq); ++ irq_set_chip_and_handler(i, &ip3_chip, handle_level_irq); + + irq_set_chained_handler(ATH79_CPU_IRQ(3), qca956x_ip3_irq_dispatch); + +@@ -430,8 +427,35 @@ static void ar934x_ip3_handler(void) + do_IRQ(ATH79_CPU_IRQ(3)); + } + ++static void ath79_ip2_disable(struct irq_data *data) ++{ ++ disable_irq(ATH79_CPU_IRQ(2)); ++} ++ ++static void ath79_ip2_enable(struct irq_data *data) ++{ ++ enable_irq(ATH79_CPU_IRQ(2)); ++} ++ ++static void ath79_ip3_disable(struct irq_data *data) ++{ ++ disable_irq(ATH79_CPU_IRQ(3)); ++} ++ ++static void ath79_ip3_enable(struct irq_data *data) ++{ ++ enable_irq(ATH79_CPU_IRQ(3)); ++} ++ + void __init arch_init_irq(void) + { ++ ip2_chip = dummy_irq_chip; ++ ip3_chip = dummy_irq_chip; ++ ip2_chip.irq_disable = ath79_ip2_disable; ++ ip2_chip.irq_enable = ath79_ip2_enable; ++ ip3_chip.irq_disable = ath79_ip3_disable; ++ ip3_chip.irq_enable = ath79_ip3_enable; ++ + if (soc_is_ar71xx()) { + ath79_ip2_handler = ar71xx_ip2_handler; + ath79_ip3_handler = ar71xx_ip3_handler; -- cgit v1.2.3