| Message ID | 1472046551-703-2-git-send-email-cw00.choi@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, Aug 24, 2016 at 10:49:05PM +0900, Chanwoo Choi wrote: > This patch adds the support for ARM 64bit. The delay_timer is only supported > on ARM 32bit. > > Cc: Daniel Lezcano <daniel.lezcano@linaro.org> > Cc: Thomas Gleixner <tglx@linutronix.de> > Cc: Kukjin Kim <kgene@kernel.org> > Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> > Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> > --- > drivers/clocksource/Kconfig | 2 +- > drivers/clocksource/exynos_mct.c | 4 ++++ > 2 files changed, 5 insertions(+), 1 deletion(-) Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Best regards, Krzysztof
On 24/08/2016 15:49, Chanwoo Choi wrote: > This patch adds the support for ARM 64bit. The delay_timer is only supported > on ARM 32bit. > > Cc: Daniel Lezcano <daniel.lezcano@linaro.org> > Cc: Thomas Gleixner <tglx@linutronix.de> > Cc: Kukjin Kim <kgene@kernel.org> > Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> > Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> > --- I don't really like #ifdef in the code itself but I suppose there is no much choice. Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
On 09/08/2016 01:04 PM, Daniel Lezcano wrote: > On 24/08/2016 15:49, Chanwoo Choi wrote: >> This patch adds the support for ARM 64bit. The delay_timer is only supported >> on ARM 32bit. >> >> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> >> Cc: Thomas Gleixner <tglx@linutronix.de> >> Cc: Kukjin Kim <kgene@kernel.org> >> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> >> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> >> --- > > I don't really like #ifdef in the code itself but I suppose there is no > much choice. > > Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Thanks, applied. If needed, I can provide a stable tag to base on top of it. Best regards, Krzysztof
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 567788664723..ec443c318c77 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -351,7 +351,7 @@ config CLKSRC_METAG_GENERIC config CLKSRC_EXYNOS_MCT bool "Exynos multi core timer driver" if COMPILE_TEST - depends on ARM + depends on ARM || ARM64 help Support for Multi Core Timer controller on Exynos SoCs. diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c index 41840d02c331..8f3488b80896 100644 --- a/drivers/clocksource/exynos_mct.c +++ b/drivers/clocksource/exynos_mct.c @@ -223,6 +223,7 @@ static u64 notrace exynos4_read_sched_clock(void) return exynos4_read_count_32(); } +#if defined(CONFIG_ARM) static struct delay_timer exynos4_delay_timer; static cycles_t exynos4_read_current_timer(void) @@ -231,14 +232,17 @@ static cycles_t exynos4_read_current_timer(void) "cycles_t needs to move to 32-bit for ARM64 usage"); return exynos4_read_count_32(); } +#endif static int __init exynos4_clocksource_init(void) { exynos4_mct_frc_start(); +#if defined(CONFIG_ARM) exynos4_delay_timer.read_current_timer = &exynos4_read_current_timer; exynos4_delay_timer.freq = clk_rate; register_current_timer_delay(&exynos4_delay_timer); +#endif if (clocksource_register_hz(&mct_frc, clk_rate)) panic("%s: can't register clocksource\n", mct_frc.name);
This patch adds the support for ARM 64bit. The delay_timer is only supported on ARM 32bit. Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> --- drivers/clocksource/Kconfig | 2 +- drivers/clocksource/exynos_mct.c | 4 ++++ 2 files changed, 5 insertions(+), 1 deletion(-)