From da4a686a2cfb077a8bfc1697f597e7f86235b822 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Wed, 6 Feb 2013 21:17:47 -0600 Subject: ARM: smp_twd: convert to use CLKSRC_OF init Now that we have OF based init with CLKSRC_OF, convert smp_twd init function to use it and covert all callers of twd_local_timer_of_register. Signed-off-by: Rob Herring Cc: Shawn Guo Cc: Sascha Hauer Cc: Russell King Cc: Viresh Kumar Cc: Shiraz Hashim Cc: Srinidhi Kasagar Cc: John Stultz Cc: Thomas Gleixner Cc: linux-omap@vger.kernel.org Cc: spear-devel@list.st.com Reviewed-by: Stephen Warren Acked-by: Santosh Shilimkar Acked-by: Tony Lindgren Acked-by: Linus Walleij --- arch/arm/include/asm/smp_twd.h | 8 -------- 1 file changed, 8 deletions(-) (limited to 'arch/arm/include') diff --git a/arch/arm/include/asm/smp_twd.h b/arch/arm/include/asm/smp_twd.h index 0f01f4677bd..7b2899c2f7f 100644 --- a/arch/arm/include/asm/smp_twd.h +++ b/arch/arm/include/asm/smp_twd.h @@ -34,12 +34,4 @@ struct twd_local_timer name __initdata = { \ int twd_local_timer_register(struct twd_local_timer *); -#ifdef CONFIG_HAVE_ARM_TWD -void twd_local_timer_of_register(void); -#else -static inline void twd_local_timer_of_register(void) -{ -} -#endif - #endif -- cgit v1.2.3-18-g5258 From 7e48c0b9d9ab07c92cd26f167010cd5a50eb0cec Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Mon, 1 Apr 2013 13:53:38 -0500 Subject: ARM: make sched_clock just call a function pointer This converts sched_clock to simply a call to a function pointer in order to allow overriding it. This will allow for use with 64-bit counters where overflow handling is not needed. Signed-off-by: Rob Herring --- arch/arm/include/asm/sched_clock.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/arm/include') diff --git a/arch/arm/include/asm/sched_clock.h b/arch/arm/include/asm/sched_clock.h index e3f75726343..3d520ddca61 100644 --- a/arch/arm/include/asm/sched_clock.h +++ b/arch/arm/include/asm/sched_clock.h @@ -11,4 +11,6 @@ extern void sched_clock_postinit(void); extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate); +extern unsigned long long (*sched_clock_func)(void); + #endif -- cgit v1.2.3-18-g5258 From 0583fe478a7d93be2c814b7e50d6e81c287edfe8 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Wed, 10 Apr 2013 18:27:51 -0500 Subject: ARM: convert arm/arm64 arch timer to use CLKSRC_OF init This converts arm and arm64 to use CLKSRC_OF DT based initialization for the arch timer. A new function arch_timer_arch_init is added to allow for arch specific setup. This has a side effect of enabling sched_clock on omap5 and exynos5. There should not be any reason not to use the arch timers for sched_clock. Signed-off-by: Rob Herring Cc: Russell King Cc: Kukjin Kim Cc: Tony Lindgren Cc: Simon Horman Cc: Magnus Damm Cc: Catalin Marinas Cc: Will Deacon Cc: John Stultz Cc: Thomas Gleixner Cc: linux-samsung-soc@vger.kernel.org Cc: linux-omap@vger.kernel.org Cc: linux-sh@vger.kernel.org Acked-by: Santosh Shilimkar --- arch/arm/include/asm/arch_timer.h | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) (limited to 'arch/arm/include') diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h index 7ade91d8cc6..7c1bfc0aea0 100644 --- a/arch/arm/include/asm/arch_timer.h +++ b/arch/arm/include/asm/arch_timer.h @@ -10,8 +10,7 @@ #include #ifdef CONFIG_ARM_ARCH_TIMER -int arch_timer_of_register(void); -int arch_timer_sched_clock_init(void); +int arch_timer_arch_init(void); /* * These register accessors are marked inline so the compiler can @@ -110,16 +109,6 @@ static inline void __cpuinit arch_counter_set_user_access(void) asm volatile("mcr p15, 0, %0, c14, c1, 0" : : "r" (cntkctl)); } -#else -static inline int arch_timer_of_register(void) -{ - return -ENXIO; -} - -static inline int arch_timer_sched_clock_init(void) -{ - return -ENXIO; -} #endif #endif -- cgit v1.2.3-18-g5258 From 7a0eca712118862a2ac25413b7ee24deb27808ea Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Mon, 25 Mar 2013 11:23:52 -0500 Subject: ARM: timer-sp: convert to use CLKSRC_OF init This adds CLKSRC_OF based init for sp804 timer. The clock initialization is refactored to support retrieving the clock(s) from the DT. Signed-off-by: Rob Herring --- arch/arm/include/asm/hardware/timer-sp.h | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'arch/arm/include') diff --git a/arch/arm/include/asm/hardware/timer-sp.h b/arch/arm/include/asm/hardware/timer-sp.h index 2dd9d3f83f2..bb28af7c32d 100644 --- a/arch/arm/include/asm/hardware/timer-sp.h +++ b/arch/arm/include/asm/hardware/timer-sp.h @@ -1,15 +1,23 @@ +struct clk; + void __sp804_clocksource_and_sched_clock_init(void __iomem *, - const char *, int); + const char *, struct clk *, int); +void __sp804_clockevents_init(void __iomem *, unsigned int, + struct clk *, const char *); static inline void sp804_clocksource_init(void __iomem *base, const char *name) { - __sp804_clocksource_and_sched_clock_init(base, name, 0); + __sp804_clocksource_and_sched_clock_init(base, name, NULL, 0); } static inline void sp804_clocksource_and_sched_clock_init(void __iomem *base, const char *name) { - __sp804_clocksource_and_sched_clock_init(base, name, 1); + __sp804_clocksource_and_sched_clock_init(base, name, NULL, 1); } -void sp804_clockevents_init(void __iomem *, unsigned int, const char *); +static inline void sp804_clockevents_init(void __iomem *base, unsigned int irq, const char *name) +{ + __sp804_clockevents_init(base, irq, NULL, name); + +} -- cgit v1.2.3-18-g5258