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| author | David Rivshin <DRivshin@allworx.com> | 2018-08-01 10:17:29 -0400 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2018-08-20 11:32:19 +0200 |
| commit | 43725feb593127b16318b871e3a9bf89a96d66cb (patch) | |
| tree | f7144bb47d67ebb3c3914c59c60cf6a6364f2bc2 /drivers/pwm | |
| parent | 19ad2b75c6436eb7a5233a68cca13ceb17041ec8 (diff) | |
| download | lwn-43725feb593127b16318b871e3a9bf89a96d66cb.tar.gz lwn-43725feb593127b16318b871e3a9bf89a96d66cb.zip | |
pwm: omap-dmtimer: Return -EPROBE_DEFER if no dmtimer platform data
If a pwm-omap-dmtimer is probed before the dmtimer it uses, the platform
data won't be set yet.
Fixes: ac30751df953 ("ARM: OMAP: pdata-quirks: Remove unused timer pdata")
Cc: <stable@vger.kernel.org> # 4.17+
Signed-off-by: David Rivshin <drivshin@allworx.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Tested-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Ladislav Michl <ladis@linux-mips.org>
Tested-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-omap-dmtimer.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pwm/pwm-omap-dmtimer.c b/drivers/pwm/pwm-omap-dmtimer.c index 665da3c8fbce..f45798679e3c 100644 --- a/drivers/pwm/pwm-omap-dmtimer.c +++ b/drivers/pwm/pwm-omap-dmtimer.c @@ -264,8 +264,9 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev) timer_pdata = dev_get_platdata(&timer_pdev->dev); if (!timer_pdata) { - dev_err(&pdev->dev, "dmtimer pdata structure NULL\n"); - ret = -EINVAL; + dev_dbg(&pdev->dev, + "dmtimer pdata structure NULL, deferring probe\n"); + ret = -EPROBE_DEFER; goto put; } |