diff options
Diffstat (limited to 'target/linux/ramips/patches-4.9/0005-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch')
| -rw-r--r-- | target/linux/ramips/patches-4.9/0005-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-4.9/0005-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch b/target/linux/ramips/patches-4.9/0005-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch new file mode 100644 index 0000000000..cfe84bacca --- /dev/null +++ b/target/linux/ramips/patches-4.9/0005-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch @@ -0,0 +1,81 @@ +From ce3d4a4111a5f7e6b4e74bceae5faa6ce388e8ec Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 14 Jul 2013 23:08:11 +0200 +Subject: [PATCH 05/53] MIPS: use set_mode() to enable/disable the cevt-r4k + irq + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/Kconfig | 5 +++++ + 1 file changed, 5 insertions(+) + +--- 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 +--- a/arch/mips/kernel/cevt-r4k.c ++++ b/arch/mips/kernel/cevt-r4k.c +@@ -15,6 +15,26 @@ + #include <asm/time.h> + #include <asm/cevt-r4k.h> + ++static int mips_state_oneshot(struct clock_event_device *evt) ++{ ++ if (!cp0_timer_irq_installed) { ++ cp0_timer_irq_installed = 1; ++ setup_irq(evt->irq, &c0_compare_irqaction); ++ } ++ ++ return 0; ++} ++ ++static int mips_state_shutdown(struct clock_event_device *evt) ++{ ++ if (cp0_timer_irq_installed) { ++ cp0_timer_irq_installed = 0; ++ remove_irq(evt->irq, &c0_compare_irqaction); ++ } ++ ++ return 0; ++} ++ + static int mips_next_event(unsigned long delta, + struct clock_event_device *evt) + { +@@ -281,17 +301,21 @@ int r4k_clockevent_init(void) + cd->rating = 300; + cd->irq = irq; + cd->cpumask = cpumask_of(cpu); ++ cd->set_state_shutdown = mips_state_shutdown; ++ cd->set_state_oneshot = mips_state_oneshot; + cd->set_next_event = mips_next_event; + cd->event_handler = mips_event_handler; + + clockevents_config_and_register(cd, mips_hpt_frequency, min_delta, 0x7fffffff); + ++#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; + } |