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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-02-29 09:25:20 +0100 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-02-29 12:50:51 +0100 |
commit | a1383655cfaa71609d6236ae0fcf3b6047462b98 (patch) | |
tree | c6f123859e0dfcfaa6c1063eda26f27e208d3cac /target/linux/bcm27xx/patches-5.4/950-0092-ARM-Activate-FIQs-to-avoid-__irq_startup-warnings.patch | |
parent | a8aa974a9dfb4cba484dc4c1e4207fd9ec803410 (diff) | |
download | upstream-a1383655cfaa71609d6236ae0fcf3b6047462b98.tar.gz upstream-a1383655cfaa71609d6236ae0fcf3b6047462b98.tar.bz2 upstream-a1383655cfaa71609d6236ae0fcf3b6047462b98.zip |
bcm27xx: add linux 5.4 support
Tested on bcm2710 (Raspberry Pi 3B).
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0092-ARM-Activate-FIQs-to-avoid-__irq_startup-warnings.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0092-ARM-Activate-FIQs-to-avoid-__irq_startup-warnings.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0092-ARM-Activate-FIQs-to-avoid-__irq_startup-warnings.patch b/target/linux/bcm27xx/patches-5.4/950-0092-ARM-Activate-FIQs-to-avoid-__irq_startup-warnings.patch new file mode 100644 index 0000000000..89f1eeee5d --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0092-ARM-Activate-FIQs-to-avoid-__irq_startup-warnings.patch @@ -0,0 +1,36 @@ +From a32b114d39a51c28eb22f742a6f66d71aa8915fa Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Mon, 11 Dec 2017 09:18:32 +0000 +Subject: [PATCH] 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); + } + |