diff options
| author |   Claudiu Beznea <claudiu.beznea@microchip.com> | 2022-03-04 15:35:58 +0200 |
|---|---|---|
| committer |   Daniel Lezcano <daniel.lezcano@linaro.org> | 2022-03-07 18:27:34 +0100 |
| commit | 389e3bff69b4341b42779833063c7b462a6e6d42 (patch) | |
| tree | 4c5733ee9fd4391c1a35a1f355ba971c587f7554 /drivers/clocksource | |
| parent | clocksource/drivers/timer-microchip-pit64b: Use notrace (diff) | |
| download | linux-dev-389e3bff69b4341b42779833063c7b462a6e6d42.tar.xz linux-dev-389e3bff69b4341b42779833063c7b462a6e6d42.zip | |
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@microchip.com>
Link: https://lore.kernel.org/r/20220304133601.2404086-4-claudiu.beznea@microchip.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/timer-microchip-pit64b.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/clocksource/timer-microchip-pit64b.c b/drivers/clocksource/timer-microchip-pit64b.c index 790d2c9b42a7..abce83d2f00b 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; |