[OpenWrt-Devel] [PATCH] ath79: reduce irq count in irq-ath79-misc.c

Dmitry Tunin hanipouspilot at gmail.com
Wed Aug 22 06:50:22 EDT 2018


According to specs this interrupt controller has 8 IRQs (0-7).
If we reuse it for PCI, we need even less (0-4).
We don't need that hude domain there.

Signed-off-by: Dmitry Tunin <hanipouspilot at gmail.com>
---
 .../0037-MIPS-ath79-irq-misc-reduce-irq-count.patch         | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 target/linux/ath79/patches-4.14/0037-MIPS-ath79-irq-misc-reduce-irq-count.patch

diff --git a/target/linux/ath79/patches-4.14/0037-MIPS-ath79-irq-misc-reduce-irq-count.patch b/target/linux/ath79/patches-4.14/0037-MIPS-ath79-irq-misc-reduce-irq-count.patch
new file mode 100644
index 0000000..b9ab092
--- /dev/null
+++ b/target/linux/ath79/patches-4.14/0037-MIPS-ath79-irq-misc-reduce-irq-count.patch
@@ -0,0 +1,13 @@
+Index: linux-4.14.65/drivers/irqchip/irq-ath79-misc.c
+===================================================================
+--- linux-4.14.65.orig/drivers/irqchip/irq-ath79-misc.c
++++ linux-4.14.65/drivers/irqchip/irq-ath79-misc.c
+@@ -21,7 +21,7 @@
+ #define AR71XX_RESET_REG_MISC_INT_STATUS	0
+ #define AR71XX_RESET_REG_MISC_INT_ENABLE	4
+ 
+-#define ATH79_MISC_IRQ_COUNT			32
++#define AR71XX_MISC_IRQ_COUNT			8
+ 
+ static void ath79_misc_irq_handler(struct irq_desc *desc)
+ {
-- 
2.7.4


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