UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

clk: tegra: Do not return 0 on failure 

Return values from read_dt_param() will be either TRUE (1) or
FALSE (0), while dfll_fetch_pwm_params() returns 0 on success
or an ERR code on failure.

So this patch fixes the bug of returning 0 on failure.

Fixes: 36541f0499 ("clk: tegra: dfll: support PWM regulator control")
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Nicolin Chen 2020-10-28 17:48:20 -07:00 committed by Thierry Reding
parent 3650b228f8
commit 6160aca443
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/clk/tegra/clk-dfll.c
View File

@ -1856,13 +1856,13 @@ static int dfll_fetch_pwm_params(struct tegra_dfll *td)
&td->reg_init_uV);
if (!ret) {
dev_err(td->dev, "couldn't get initialized voltage\n");
return ret;
return -EINVAL;
}
ret = read_dt_param(td, "nvidia,pwm-period-nanoseconds", &pwm_period);
if (!ret) {
dev_err(td->dev, "couldn't get PWM period\n");
return ret;
return -EINVAL;
}
td->pwm_rate = (NSEC_PER_SEC / pwm_period) * (MAX_DFLL_VOLTAGES - 1);