From: Jisheng Zhang Date: Wed, 25 Nov 2015 16:01:52 +0000 (+0800) Subject: clocksource/drivers/dw_apb_timer: Inline apbt_readl and apbt_writel X-Git-Tag: v4.14-rc1~3892^2~26 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=520ddad4e560423a320bc1861792da19b0b879f9;p=platform%2Fkernel%2Flinux-rpi.git clocksource/drivers/dw_apb_timer: Inline apbt_readl and apbt_writel It seems gcc can automatically inline apbt_writel() for us, but apbt_real isn't inlined. This patch makes them inline to get a trivial performance improvement: 4096 rounds of __apbt_read_clocksource() call spend time on Marvell BG4CT platform: before the patch 1275240ns on average after the patch 1263240ns on average so we get 1% performance improvement. Signed-off-by: Jisheng Zhang Signed-off-by: Daniel Lezcano --- diff --git a/drivers/clocksource/dw_apb_timer.c b/drivers/clocksource/dw_apb_timer.c index 7f95b53..6334526 100644 --- a/drivers/clocksource/dw_apb_timer.c +++ b/drivers/clocksource/dw_apb_timer.c @@ -49,13 +49,13 @@ clocksource_to_dw_apb_clocksource(struct clocksource *cs) return container_of(cs, struct dw_apb_clocksource, cs); } -static u32 apbt_readl(struct dw_apb_timer *timer, unsigned long offs) +static inline u32 apbt_readl(struct dw_apb_timer *timer, unsigned long offs) { return readl(timer->base + offs); } -static void apbt_writel(struct dw_apb_timer *timer, u32 val, - unsigned long offs) +static inline void apbt_writel(struct dw_apb_timer *timer, u32 val, + unsigned long offs) { writel(val, timer->base + offs); }