diff options
Diffstat (limited to 'target/linux/ramips/patches-3.14/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.14/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.14/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch b/target/linux/ramips/patches-3.14/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch new file mode 100644 index 0000000000..fc9a70baa2 --- /dev/null +++ b/target/linux/ramips/patches-3.14/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch @@ -0,0 +1,85 @@ +From f8da5caf65926d44581d4e7914b28ceab3d28a7c Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 14 Jul 2013 23:08:11 +0200 +Subject: [PATCH 17/57] MIPS: use set_mode() to enable/disable the cevt-r4k + irq + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/kernel/cevt-r4k.c | 37 +++++++++++++++++++++++++++++++------ + 1 file changed, 31 insertions(+), 6 deletions(-) + +diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c +index 50d3f5a..99585e6 100644 +--- a/arch/mips/kernel/cevt-r4k.c ++++ b/arch/mips/kernel/cevt-r4k.c +@@ -38,12 +38,6 @@ static int mips_next_event(unsigned long delta, + + #endif /* CONFIG_MIPS_MT_SMTC */ + +-void mips_set_clock_mode(enum clock_event_mode mode, +- struct clock_event_device *evt) +-{ +- /* Nothing to do ... */ +-} +- + DEFINE_PER_CPU(struct clock_event_device, mips_clockevent_device); + int cp0_timer_irq_installed; + +@@ -90,9 +84,38 @@ struct irqaction c0_compare_irqaction = { + .name = "timer", + }; + ++void mips_set_clock_mode(enum clock_event_mode mode, ++ struct clock_event_device *evt) ++{ ++#ifdef CONFIG_CEVT_SYSTICK_QUIRK ++ switch (mode) { ++ case CLOCK_EVT_MODE_ONESHOT: ++ if (cp0_timer_irq_installed) ++ break; ++ ++ cp0_timer_irq_installed = 1; ++ ++ setup_irq(evt->irq, &c0_compare_irqaction); ++ break; ++ ++ case CLOCK_EVT_MODE_SHUTDOWN: ++ if (!cp0_timer_irq_installed) ++ break; ++ ++ cp0_timer_irq_installed = 0; ++ free_irq(evt->irq, &c0_compare_irqaction); ++ break; ++ ++ default: ++ pr_err("Unhandeled mips clock_mode\n"); ++ break; ++ } ++#endif ++} + + void mips_event_handler(struct clock_event_device *dev) + { ++ + } + + /* +@@ -215,12 +238,14 @@ int r4k_clockevent_init(void) + #endif + clockevents_register_device(cd); + ++#ifndef CONFIG_CEVT_SYSTICK_QUIRK + if (cp0_timer_irq_installed) + return 0; + + cp0_timer_irq_installed = 1; + + setup_irq(irq, &c0_compare_irqaction); ++#endif + + return 0; + } +-- +1.7.10.4 + |