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authorDmitry Torokhov <[email protected]>2023-05-01 15:20:08 -0700
committerDmitry Torokhov <[email protected]>2023-05-01 15:20:08 -0700
commit9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e (patch)
treed57f3a63479a07b4e0cece029886e76e04feb984 /drivers/clocksource/timer-microchip-pit64b.c
parent5dc63e56a9cf8df0b59c234a505a1653f1bdf885 (diff)
parent53bea86b5712c7491bb3dae12e271666df0a308c (diff)
Merge branch 'next' into for-linus
Prepare input updates for 6.4 merge window.
Diffstat (limited to 'drivers/clocksource/timer-microchip-pit64b.c')
-rw-r--r--drivers/clocksource/timer-microchip-pit64b.c12
1 files changed, 12 insertions, 0 deletions
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 <linux/clk.h>
#include <linux/clockchips.h>
+#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
@@ -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;
}