From f3af3dc7cc351bd22742eac992c72c76749ce8c3 Mon Sep 17 00:00:00 2001 From: Claudiu Beznea Date: Fri, 3 Feb 2023 15:05:37 +0200 Subject: clocksource/drivers/timer-microchip-pit64b: Add delay timer Add delay timer. Signed-off-by: Claudiu Beznea Link: https://lore.kernel.org/r/20230203130537.1921608-3-claudiu.beznea@microchip.com Signed-off-by: Daniel Lezcano --- drivers/clocksource/timer-microchip-pit64b.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'drivers/clocksource') diff --git a/drivers/clocksource/timer-microchip-pit64b.c b/drivers/clocksource/timer-microchip-pit64b.c index d5f1436f33d9..57209bb38c70 100644 --- a/drivers/clocksource/timer-microchip-pit64b.c +++ b/drivers/clocksource/timer-microchip-pit64b.c @@ -9,6 +9,7 @@ #include #include +#include #include #include #include @@ -92,6 +93,8 @@ struct mchp_pit64b_clksrc { static void __iomem *mchp_pit64b_cs_base; /* Default cycles for clockevent timer. */ static u64 mchp_pit64b_ce_cycles; +/* Delay timer. */ +static struct delay_timer mchp_pit64b_dt; static inline u64 mchp_pit64b_cnt_read(void __iomem *base) { @@ -169,6 +172,11 @@ static u64 notrace mchp_pit64b_sched_read_clk(void) return mchp_pit64b_cnt_read(mchp_pit64b_cs_base); } +static unsigned long notrace mchp_pit64b_dt_read(void) +{ + return mchp_pit64b_cnt_read(mchp_pit64b_cs_base); +} + static int mchp_pit64b_clkevt_shutdown(struct clock_event_device *cedev) { struct mchp_pit64b_timer *timer = clkevt_to_mchp_pit64b_timer(cedev); @@ -376,6 +384,10 @@ static int __init mchp_pit64b_init_clksrc(struct mchp_pit64b_timer *timer, sched_clock_register(mchp_pit64b_sched_read_clk, 64, clk_rate); + mchp_pit64b_dt.read_current_timer = mchp_pit64b_dt_read; + mchp_pit64b_dt.freq = clk_rate; + register_current_timer_delay(&mchp_pit64b_dt); + return 0; } -- cgit v1.2.3