openwrt/target/linux/ar71xx/patches-4.1/630-MIPS-ath79-fix-chained-...

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--- 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)
{
@@ -150,8 +152,7 @@ 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);
}
@@ -183,7 +184,7 @@ 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);
}
@@ -257,15 +258,13 @@ 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);
}
@@ -346,13 +345,13 @@ 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);
@@ -467,8 +466,35 @@ 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;