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clocksource/drivers/timer-npcm7xx: Enable timer 1 clock before use

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In the WPCM450 SoC, the clocks for each timer can be gated individually.
To prevent the timer 1 clock from being gated, enable it explicitly.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20221104161850.2889894-3-j.neuschaefer@gmx.net
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
This commit is contained in:
Jonathan Neuschäfer 2022-11-04 17:18:46 +01:00 committed by Daniel Lezcano
parent aa3f72ea94
commit db78539fc9
1 changed files with 10 additions and 0 deletions
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10
drivers/clocksource/timer-npcm7xx.c
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@ -188,6 +188,7 @@ static void __init npcm7xx_clocksource_init(void)
static int __init npcm7xx_timer_init(struct device_node *np)
{
struct clk *clk;
int ret;
ret = timer_of_init(np, &npcm7xx_to);
@ -199,6 +200,15 @@ static int __init npcm7xx_timer_init(struct device_node *np)
npcm7xx_to.of_clk.rate = npcm7xx_to.of_clk.rate /
(NPCM7XX_Tx_MIN_PRESCALE + 1);
/* Enable the clock for timer1, if it exists */
clk = of_clk_get(np, 1);
if (clk) {
if (!IS_ERR(clk))
clk_prepare_enable(clk);
else
pr_warn("%pOF: Failed to get clock for timer1: %pe", np, clk);
}
npcm7xx_clocksource_init();
npcm7xx_clockevents_init();