diff options
Diffstat (limited to 'target/linux/ar71xx/patches-4.1/736-MIPS-ath79-fix-chained-irq-disable.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-4.1/736-MIPS-ath79-fix-chained-irq-disable.patch | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-4.1/736-MIPS-ath79-fix-chained-irq-disable.patch b/target/linux/ar71xx/patches-4.1/736-MIPS-ath79-fix-chained-irq-disable.patch new file mode 100644 index 0000000..8c0cc95 --- /dev/null +++ b/target/linux/ar71xx/patches-4.1/736-MIPS-ath79-fix-chained-irq-disable.patch @@ -0,0 +1,100 @@ +--- 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); + } +@@ -182,7 +183,7 @@ static void qca953x_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), qca953x_ip2_irq_dispatch); + } +@@ -256,15 +257,13 @@ 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); + } +@@ -345,13 +344,13 @@ 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); + +@@ -466,8 +465,35 @@ static void qca953x_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; |