From: Linus Walleij Date: Thu, 18 May 2017 20:16:58 +0000 (+0200) Subject: clocksource/drivers/fttmr010: Fix the clock handling X-Git-Tag: v4.13-rc1~191^2~10^2~21 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2a55e98f9f76825d78a4e6ef315c35fccabf5212;p=karo-tx-linux.git clocksource/drivers/fttmr010: Fix the clock handling 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 Signed-off-by: Linus Walleij Signed-off-by: Daniel Lezcano --- diff --git a/drivers/clocksource/timer-fttmr010.c b/drivers/clocksource/timer-fttmr010.c index b4a6f1e4bc54..58ce017e4a65 100644 --- a/drivers/clocksource/timer-fttmr010.c +++ b/drivers/clocksource/timer-fttmr010.c @@ -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);