diff mbox series

[v1,2/2] irqchip: mips-cpu: Drop unnecessary ack/eoi operations

Message ID 20200117001706.40620-2-jiaxun.yang@flygoat.com (mailing list archive)
State Rejected
Headers show
Series [v1,1/2] genirq: Check for level based percpu irq | expand

Commit Message

Jiaxun Yang Jan. 17, 2020, 12:17 a.m. UTC 
Actually, all MIPS processor interrupt lines are level triggered.
So providing ack/eoi operation could lead to some unexpected results,
Like chained IRQ handeler failed to mask upstream CPU IRQ.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
 drivers/irqchip/irq-mips-cpu.c | 4 ----
 1 file changed, 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/irqchip/irq-mips-cpu.c b/drivers/irqchip/irq-mips-cpu.c
index 95d4fd8f7a96..e34f4317bb88 100644
--- a/drivers/irqchip/irq-mips-cpu.c
+++ b/drivers/irqchip/irq-mips-cpu.c
@@ -51,11 +51,9 @@  static inline void mask_mips_irq(struct irq_data *d)
 
 static struct irq_chip mips_cpu_irq_controller = {
 	.name		= "MIPS",
-	.irq_ack	= mask_mips_irq,
 	.irq_mask	= mask_mips_irq,
 	.irq_mask_ack	= mask_mips_irq,
 	.irq_unmask	= unmask_mips_irq,
-	.irq_eoi	= unmask_mips_irq,
 	.irq_disable	= mask_mips_irq,
 	.irq_enable	= unmask_mips_irq,
 };
@@ -112,11 +110,9 @@  static void mips_mt_send_ipi(struct irq_data *d, unsigned int cpu)
 static struct irq_chip mips_mt_cpu_irq_controller = {
 	.name		= "MIPS",
 	.irq_startup	= mips_mt_cpu_irq_startup,
-	.irq_ack	= mips_mt_cpu_irq_ack,
 	.irq_mask	= mask_mips_irq,
 	.irq_mask_ack	= mips_mt_cpu_irq_ack,
 	.irq_unmask	= unmask_mips_irq,
-	.irq_eoi	= unmask_mips_irq,
 	.irq_disable	= mask_mips_irq,
 	.irq_enable	= unmask_mips_irq,
 #ifdef CONFIG_GENERIC_IRQ_IPI