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| author |   Rich Felker <dalias@libc.org> | 2016-03-29 21:53:03 +0000 |
|---|---|---|
| committer | Rich Felker <dalias@libc.org> | 2016-03-29 21:53:03 +0000 |
| commit | 16b02d711f4059b8338ef967064195b47cae65ea (patch) | |
| tree | 6d3e0b7629210b56f8d6cfa39184c878d8a15367 /drivers/pwm/pwm-img.c | |
| parent | sched/preempt, sh: kmap_coherent relies on disabled preemption (diff) | |
| parent | Linux 4.6-rc1 (diff) | |
| download | wireguard-linux-16b02d711f4059b8338ef967064195b47cae65ea.tar.xz wireguard-linux-16b02d711f4059b8338ef967064195b47cae65ea.zip | |
Merge tag 'v4.6-rc1'
Linux 4.6-rc1
Diffstat (limited to '')
| -rw-r--r-- | drivers/pwm/pwm-img.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-img.c b/drivers/pwm/pwm-img.c index 8a029f9bc18c..2fb30deee345 100644 --- a/drivers/pwm/pwm-img.c +++ b/drivers/pwm/pwm-img.c @@ -237,6 +237,11 @@ static int img_pwm_probe(struct platform_device *pdev) } clk_rate = clk_get_rate(pwm->pwm_clk); + if (!clk_rate) { + dev_err(&pdev->dev, "pwm clock has no frequency\n"); + ret = -EINVAL; + goto disable_pwmclk; + } /* The maximum input clock divider is 512 */ val = (u64)NSEC_PER_SEC * 512 * pwm->data->max_timebase; |