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Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0005-irq-bcm2836-Prevent-spurious-interrupts-and-trap-the.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0005-irq-bcm2836-Prevent-spurious-interrupts-and-trap-the.patch30
1 files changed, 0 insertions, 30 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0005-irq-bcm2836-Prevent-spurious-interrupts-and-trap-the.patch b/target/linux/brcm2708/patches-4.4/0005-irq-bcm2836-Prevent-spurious-interrupts-and-trap-the.patch
deleted file mode 100644
index 5031f7535c..0000000000
--- a/target/linux/brcm2708/patches-4.4/0005-irq-bcm2836-Prevent-spurious-interrupts-and-trap-the.patch
+++ /dev/null
@@ -1,30 +0,0 @@
-From c384d8900be3c3a0aba65f9538006280545264ba 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 | 3 ++-
- 1 file changed, 2 insertions(+), 1 deletion(-)
-
---- a/drivers/irqchip/irq-bcm2836.c
-+++ b/drivers/irqchip/irq-bcm2836.c
-@@ -170,9 +170,10 @@ __exception_irq_entry bcm2836_arm_irqchi
- u32 ipi = ffs(mbox_val) - 1;
-
- writel(1 << ipi, mailbox0);
-+ dsb();
- handle_IPI(ipi, regs);
- #endif
-- } else {
-+ } else if (stat) {
- u32 hwirq = ffs(stat) - 1;
-
- handle_IRQ(irq_linear_revmap(intc.domain, hwirq), regs);