diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.18/032-MIPS-Provide-a-generic-plat_irq_dispatch.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.18/032-MIPS-Provide-a-generic-plat_irq_dispatch.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/target/linux/brcm63xx/patches-3.18/032-MIPS-Provide-a-generic-plat_irq_dispatch.patch b/target/linux/brcm63xx/patches-3.18/032-MIPS-Provide-a-generic-plat_irq_dispatch.patch deleted file mode 100644 index 8f5bd3144f..0000000000 --- a/target/linux/brcm63xx/patches-3.18/032-MIPS-Provide-a-generic-plat_irq_dispatch.patch +++ /dev/null @@ -1,58 +0,0 @@ -From 85f7cdacbb81db8c4cc8e474837eab1f0e4ff77b Mon Sep 17 00:00:00 2001 -From: Andrew Bresticker <abrestic@chromium.org> -Date: Thu, 18 Sep 2014 14:47:09 -0700 -Subject: [PATCH 3/3] MIPS: Provide a generic plat_irq_dispatch - -For platforms which boot with device-tree or have correctly chained -all external interrupt controllers, a generic plat_irq_dispatch() can -be used. Implement a plat_irq_dispatch() which simply handles all the -pending interrupts as reported by C0_Cause. - -Signed-off-by: Andrew Bresticker <abrestic@chromium.org> -Reviewed-by: Qais Yousef <qais.yousef@imgtec.com> -Tested-by: Qais Yousef <qais.yousef@imgtec.com> -Cc: Thomas Gleixner <tglx@linutronix.de> -Cc: Jason Cooper <jason@lakedaemon.net> -Cc: Andrew Bresticker <abrestic@chromium.org> -Cc: Jeffrey Deans <jeffrey.deans@imgtec.com> -Cc: Markos Chandras <markos.chandras@imgtec.com> -Cc: Paul Burton <paul.burton@imgtec.com> -Cc: Qais Yousef <qais.yousef@imgtec.com> -Cc: Jonas Gorski <jogo@openwrt.org> -Cc: John Crispin <blogic@openwrt.org> -Cc: David Daney <ddaney.cavm@gmail.com> -Cc: linux-mips@linux-mips.org -Cc: linux-kernel@vger.kernel.org -Patchwork: https://patchwork.linux-mips.org/patch/7801/ -Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---- - arch/mips/kernel/irq_cpu.c | 18 ++++++++++++++++++ - 1 file changed, 18 insertions(+) - ---- a/arch/mips/kernel/irq_cpu.c -+++ b/arch/mips/kernel/irq_cpu.c -@@ -98,6 +98,24 @@ static struct irq_chip mips_mt_cpu_irq_c - .irq_enable = unmask_mips_irq, - }; - -+asmlinkage void __weak plat_irq_dispatch(void) -+{ -+ unsigned long pending = read_c0_cause() & read_c0_status() & ST0_IM; -+ int irq; -+ -+ if (!pending) { -+ spurious_interrupt(); -+ return; -+ } -+ -+ pending >>= CAUSEB_IP; -+ while (pending) { -+ irq = fls(pending) - 1; -+ do_IRQ(MIPS_CPU_IRQ_BASE + irq); -+ pending &= ~BIT(irq); -+ } -+} -+ - static int mips_cpu_intc_map(struct irq_domain *d, unsigned int irq, - irq_hw_number_t hw) - { |