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| author | Tony Lindgren <tony@atomide.com> | 2005-06-29 19:59:48 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-06-29 19:59:48 +0100 |
| commit | b3402cf50efead37dd9553b90fbf1486e09fb78e (patch) | |
| tree | 75e2bf1533a10c7e4540cb7a925089a7fd3b6d91 /arch/arm/mach-omap/pm.c | |
| parent | 20f720ccce8864583365d844d48d3fe8d0d171ad (diff) | |
| download | kernel-crypto-b3402cf50efead37dd9553b90fbf1486e09fb78e.tar.gz kernel-crypto-b3402cf50efead37dd9553b90fbf1486e09fb78e.tar.xz kernel-crypto-b3402cf50efead37dd9553b90fbf1486e09fb78e.zip | |
[PATCH] ARM: 2771/1: Dynamic Tick support for OMAP, take 4
Patch from Tony Lindgren
This patch adds support for Dynamic Tick Timer for OMAP.
This patch is an updated version of ARM patch 2642/1 to
make it work with the already integrated generic ARM
dyntick support.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-omap/pm.c')
| -rw-r--r-- | arch/arm/mach-omap/pm.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/arm/mach-omap/pm.c b/arch/arm/mach-omap/pm.c index 00fac155df2..6b03ccdc1e9 100644 --- a/arch/arm/mach-omap/pm.c +++ b/arch/arm/mach-omap/pm.c @@ -41,7 +41,9 @@ #include <linux/pm.h> #include <asm/io.h> +#include <asm/mach/time.h> #include <asm/mach-types.h> + #include <asm/arch/omap16xx.h> #include <asm/arch/pm.h> #include <asm/arch/mux.h> @@ -80,13 +82,13 @@ void omap_pm_idle(void) return; } mask32 = omap_readl(ARM_SYSST); - local_fiq_enable(); - local_irq_enable(); -#if defined(CONFIG_OMAP_32K_TIMER) && defined(CONFIG_NO_IDLE_HZ) - /* Override timer to use VST for the next cycle */ - omap_32k_timer_next_vst_interrupt(); -#endif + /* + * Since an interrupt may set up a timer, we don't want to + * reprogram the hardware timer with interrupts enabled. + * Re-enable interrupts only after returning from idle. + */ + timer_dyn_reprogram(); if ((mask32 & DSP_IDLE) == 0) { __asm__ volatile ("mcr p15, 0, r0, c7, c0, 4"); @@ -102,6 +104,8 @@ void omap_pm_idle(void) func_ptr(); } + local_fiq_enable(); + local_irq_enable(); } /* |