domenico/openwrt-18.06
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domenico
2025-06-24 15:51:28 +02:00
commit 22031d9dab
6862 changed files with 1462554 additions and 0 deletions
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106
target/linux/ar71xx/patches-4.9/630-MIPS-ath79-fix-chained-irq-disable.patch Normal file
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@@ -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;
@@ -56,8 +59,7 @@ 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);
}
@@ -85,7 +87,7 @@ 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);
}
@@ -149,15 +151,13 @@ 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);
}
@@ -228,13 +228,13 @@ 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);
@@ -243,12 +243,40 @@ 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;