diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0007-irq-bcm2836-Prevent-spurious-interrupts-and-trap-the.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0007-irq-bcm2836-Prevent-spurious-interrupts-and-trap-the.patch | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0007-irq-bcm2836-Prevent-spurious-interrupts-and-trap-the.patch b/target/linux/bcm27xx/patches-5.4/950-0007-irq-bcm2836-Prevent-spurious-interrupts-and-trap-the.patch deleted file mode 100644 index 87aea08ba8..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0007-irq-bcm2836-Prevent-spurious-interrupts-and-trap-the.patch +++ /dev/null @@ -1,27 +0,0 @@ -From 7e33284486a91fe400505003f49f50f496b906a7 Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Fri, 4 Dec 2015 17:41:50 +0000 -Subject: [PATCH] irq-bcm2836: Prevent spurious interrupts, and trap - them early - -The old arch-specific IRQ macros included a dsb to ensure the -write to clear the mailbox interrupt completed before returning -from the interrupt. The BCM2836 irqchip driver needs the same -precaution to avoid spurious interrupts. - -Spurious interrupts are still possible for other reasons, -though, so trap them early. ---- - drivers/irqchip/irq-bcm2836.c | 1 + - 1 file changed, 1 insertion(+) - ---- a/drivers/irqchip/irq-bcm2836.c -+++ b/drivers/irqchip/irq-bcm2836.c -@@ -135,6 +135,7 @@ __exception_irq_entry bcm2836_arm_irqchi - u32 ipi = ffs(mbox_val) - 1; - - writel(1 << ipi, mailbox0); -+ dsb(sy); - handle_IPI(ipi, regs); - #endif - } else if (stat) { |