diff options
Diffstat (limited to 'target/linux/ramips/patches-3.18/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.18/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.18/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch b/target/linux/ramips/patches-3.18/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch new file mode 100644 index 0000000..6bf0401 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch @@ -0,0 +1,99 @@ +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(-) + +--- a/arch/mips/kernel/cevt-r4k.c ++++ b/arch/mips/kernel/cevt-r4k.c +@@ -29,12 +29,6 @@ static int mips_next_event(unsigned long + return res; + } + +-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; + +@@ -75,9 +69,38 @@ 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; ++ remove_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) + { ++ + } + + /* +@@ -198,12 +221,14 @@ int r4k_clockevent_init(void) + + 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; + } +--- a/arch/mips/ralink/Kconfig ++++ b/arch/mips/ralink/Kconfig +@@ -1,11 +1,16 @@ + if RALINK + ++config CEVT_SYSTICK_QUIRK ++ bool ++ default n ++ + config CLKEVT_RT3352 + bool + depends on SOC_RT305X || SOC_MT7620 + default y + select CLKSRC_OF + select CLKSRC_MMIO ++ select CEVT_SYSTICK_QUIRK + + config RALINK_ILL_ACC + bool |