The following commit has been merged into the timers/core branch of tip:
Commit-ID: 389e3bff69b4341b42779833063c7b462a6e6d42
Gitweb: https://git.kernel.org/tip/389e3bff69b4341b42779833063c7b462a6e6d42
Author: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
AuthorDate: Fri, 04 Mar 2022 15:35:58 +02:00
Committer: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
CommitterDate: Mon, 07 Mar 2022 18:27:34 +01:00
clocksource/drivers/timer-microchip-pit64b: Use 5MHz for clockevent
Use 5MHz clock for clockevent timers. This increases timer's
resolution.
Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20220304133601.2404086-4-claudiu.beznea@xxxxxxxxxxxxx
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
---
drivers/clocksource/timer-microchip-pit64b.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/clocksource/timer-microchip-pit64b.c b/drivers/clocksource/timer-microchip-pit64b.c
index 790d2c9..abce83d 100644
--- a/drivers/clocksource/timer-microchip-pit64b.c
+++ b/drivers/clocksource/timer-microchip-pit64b.c
@@ -42,8 +42,7 @@
#define MCHP_PIT64B_LSBMASK GENMASK_ULL(31, 0)
#define MCHP_PIT64B_PRES_TO_MODE(p) (MCHP_PIT64B_MR_PRES & ((p) << 8))
#define MCHP_PIT64B_MODE_TO_PRES(m) ((MCHP_PIT64B_MR_PRES & (m)) >> 8)
-#define MCHP_PIT64B_DEF_CS_FREQ 5000000UL /* 5 MHz */
-#define MCHP_PIT64B_DEF_CE_FREQ 32768 /* 32 KHz */
+#define MCHP_PIT64B_DEF_FREQ 5000000UL /* 5 MHz */
#define MCHP_PIT64B_NAME "pit64b"
@@ -418,7 +417,6 @@ static int __init mchp_pit64b_init_clkevt(struct mchp_pit64b_timer *timer,
static int __init mchp_pit64b_dt_init_timer(struct device_node *node,
bool clkevt)
{
- u32 freq = clkevt ? MCHP_PIT64B_DEF_CE_FREQ : MCHP_PIT64B_DEF_CS_FREQ;
struct mchp_pit64b_timer timer;
unsigned long clk_rate;
u32 irq = 0;
@@ -446,7 +444,7 @@ static int __init mchp_pit64b_dt_init_timer(struct device_node *node,
}
/* Initialize mode (prescaler + SGCK bit). To be used at runtime. */
- ret = mchp_pit64b_init_mode(&timer, freq);
+ ret = mchp_pit64b_init_mode(&timer, MCHP_PIT64B_DEF_FREQ);
if (ret)
goto irq_unmap;
|