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authorDavid Rivshin <DRivshin@allworx.com>2018-08-01 14:17:29 (GMT)
committerThierry Reding <thierry.reding@gmail.com>2018-08-20 09:32:19 (GMT)
commit43725feb593127b16318b871e3a9bf89a96d66cb (patch)
treef7144bb47d67ebb3c3914c59c60cf6a6364f2bc2 /drivers/pwm
parent19ad2b75c6436eb7a5233a68cca13ceb17041ec8 (diff)
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.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pwm/pwm-omap-dmtimer.c b/drivers/pwm/pwm-omap-dmtimer.c
index 665da3c..f457986 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;
}

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