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7d7aa2fd92
This change makes the names of Broadcom targets consistent by using the common notation based on SoC/CPU ID (which is used internally anyway), bcmXXXX instead of brcmXXXX. This is even used for target TITLE in make menuconfig already, only the short target name used brcm so far. Despite, since subtargets range from bcm2708 to bcm2711, it seems appropriate to use bcm27xx instead of bcm2708 (again, as already done for BOARDNAME). This also renames the packages brcm2708-userland and brcm2708-gpu-fw. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>
28 lines
885 B
Diff
28 lines
885 B
Diff
From 5e9082be2fca137fe13b8af15aa0b9d178cd99c1 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Fri, 4 Dec 2015 17:41:50 +0000
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Subject: [PATCH] irq-bcm2836: Prevent spurious interrupts, and trap
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them early
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The old arch-specific IRQ macros included a dsb to ensure the
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write to clear the mailbox interrupt completed before returning
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from the interrupt. The BCM2836 irqchip driver needs the same
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precaution to avoid spurious interrupts.
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Spurious interrupts are still possible for other reasons,
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though, so trap them early.
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---
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drivers/irqchip/irq-bcm2836.c | 1 +
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1 file changed, 1 insertion(+)
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--- a/drivers/irqchip/irq-bcm2836.c
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+++ b/drivers/irqchip/irq-bcm2836.c
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@@ -144,6 +144,7 @@ __exception_irq_entry bcm2836_arm_irqchi
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u32 ipi = ffs(mbox_val) - 1;
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writel(1 << ipi, mailbox0);
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+ dsb(sy);
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handle_IPI(ipi, regs);
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#endif
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} else if (stat) {
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