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clocksource/drivers/fttmr010: Fix the clock handling

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We need to also prepare and enable the clock we are using to get
the right reference count and avoid it being shut off.

Tested-by: Jonas Jensen <jonas.jensen@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This commit is contained in:
Linus Walleij 2017-05-18 22:16:58 +02:00 committed by Daniel Lezcano
parent 164a1a90a4
commit 2a55e98f9f
1 changed files with 7 additions and 1 deletions
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8
drivers/clocksource/timer-fttmr010.c
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@ -238,12 +238,18 @@ static int __init fttmr010_timer_of_init(struct device_node *np)
* and using EXTCLK is not supported in the driver.
*/
struct clk *clk;
int ret;
clk = of_clk_get_by_name(np, "PCLK");
if (IS_ERR(clk)) {
pr_err("could not get PCLK");
pr_err("could not get PCLK\n");
return PTR_ERR(clk);
}
ret = clk_prepare_enable(clk);
if (ret) {
pr_err("failed to enable PCLK\n");
return ret;
}
tick_rate = clk_get_rate(clk);
return fttmr010_timer_common_init(np);