diff options
Diffstat (limited to 'target/linux/ar71xx/patches-4.14/630-MIPS-ath79-fix-chained-irq-disable.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-4.14/630-MIPS-ath79-fix-chained-irq-disable.patch | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-4.14/630-MIPS-ath79-fix-chained-irq-disable.patch b/target/linux/ar71xx/patches-4.14/630-MIPS-ath79-fix-chained-irq-disable.patch new file mode 100644 index 0000000000..2b92b88d03 --- /dev/null +++ b/target/linux/ar71xx/patches-4.14/630-MIPS-ath79-fix-chained-irq-disable.patch @@ -0,0 +1,106 @@ +--- a/arch/mips/ath79/irq.c ++++ b/arch/mips/ath79/irq.c +@@ -27,6 +27,9 @@ + #include "machtypes.h" + + ++static struct irq_chip ip2_chip; ++static struct irq_chip ip3_chip; ++ + static void ar934x_ip2_irq_dispatch(struct irq_desc *desc) + { + u32 status; +@@ -50,8 +53,7 @@ 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); + } +@@ -79,7 +81,7 @@ 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); + } +@@ -143,15 +145,13 @@ 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); + } +@@ -222,13 +222,13 @@ 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); + +@@ -237,12 +237,40 @@ static void qca956x_irq_init(void) + late_time_init = &qca956x_enable_timer_cb; + } + ++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) + { + unsigned irq_wb_chan2 = -1; + unsigned irq_wb_chan3 = -1; + bool misc_is_ar71xx; + ++ ip2_chip = dummy_irq_chip; ++ ip2_chip.irq_disable = ath79_ip2_disable; ++ ip2_chip.irq_enable = ath79_ip2_enable; ++ ++ ip3_chip = dummy_irq_chip; ++ ip3_chip.irq_disable = ath79_ip3_disable; ++ ip3_chip.irq_enable = ath79_ip3_enable; ++ + if (mips_machtype == ATH79_MACH_GENERIC_OF) { + irqchip_init(); + return; |