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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-09 20:32:28 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-14 12:44:14 +0200 |
commit | 42954857190b9df16d9d873ecc7f6cc38e013e44 (patch) | |
tree | 98c588f629ff534d458eb0884782ea99672d7634 /target/linux/brcm2708/patches-4.19/950-0108-ARM-Activate-FIQs-to-avoid-__irq_startup-warnings.patch | |
parent | f1875e902d0afb7d9b9e5285b4fd8da7f6c5e30a (diff) | |
download | upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.gz upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.bz2 upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.zip |
brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0108-ARM-Activate-FIQs-to-avoid-__irq_startup-warnings.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0108-ARM-Activate-FIQs-to-avoid-__irq_startup-warnings.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0108-ARM-Activate-FIQs-to-avoid-__irq_startup-warnings.patch b/target/linux/brcm2708/patches-4.19/950-0108-ARM-Activate-FIQs-to-avoid-__irq_startup-warnings.patch new file mode 100644 index 0000000000..cedc6bdf35 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0108-ARM-Activate-FIQs-to-avoid-__irq_startup-warnings.patch @@ -0,0 +1,36 @@ +From 84ae50c70c296998d39b819d1d5f3e2e4a355098 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Mon, 11 Dec 2017 09:18:32 +0000 +Subject: [PATCH 108/703] ARM: Activate FIQs to avoid __irq_startup warnings + +There is a new test in __irq_startup that the IRQ is activated, which +hasn't been the case for FIQs since they bypass some of the usual setup. + +Augment enable_fiq to include a call to irq_activate to avoid the +warning. + +Signed-off-by: Phil Elwell <phil@raspberrypi.org> +--- + arch/arm/kernel/fiq.c | 4 ++++ + 1 file changed, 4 insertions(+) + +--- a/arch/arm/kernel/fiq.c ++++ b/arch/arm/kernel/fiq.c +@@ -56,6 +56,8 @@ + static unsigned long dfl_fiq_insn; + static struct pt_regs dfl_fiq_regs; + ++extern int irq_activate(struct irq_desc *desc); ++ + /* Default reacquire function + * - we always relinquish FIQ control + * - we always reacquire FIQ control +@@ -140,6 +142,8 @@ static int fiq_start; + + void enable_fiq(int fiq) + { ++ struct irq_desc *desc = irq_to_desc(fiq + fiq_start); ++ irq_activate(desc); + enable_irq(fiq + fiq_start); + } + |