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media: omap3isp: Return -EPROBE_DEFER if the required regulators can't be obtained 

If regulator returns -EPROBE_DEFER, we need to return it too, so that
omap3isp will be re-probed when regulator is ready.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Pavel Machek 2017-03-02 07:45:32 -05:00 committed by Mauro Carvalho Chehab
parent a6b687df8a
commit a4573084cb
2 changed files with 7 additions and 1 deletions
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1
drivers/media/platform/omap3isp/isp.c
View File

@ -1880,6 +1880,7 @@ static int isp_initialize_modules(struct isp_device *isp)
ret = omap3isp_ccp2_init(isp);
if (ret < 0) {
if (ret != -EPROBE_DEFER)
dev_err(isp->dev, "CCP2 initialization failed\n");
goto error_ccp2;
}

5
drivers/media/platform/omap3isp/ispccp2.c
View File

@ -1137,6 +1137,11 @@ int omap3isp_ccp2_init(struct isp_device *isp)
if (isp->revision == ISP_REVISION_2_0) {
ccp2->vdds_csib = devm_regulator_get(isp->dev, "vdds_csib");
if (IS_ERR(ccp2->vdds_csib)) {
if (PTR_ERR(ccp2->vdds_csib) == -EPROBE_DEFER) {
dev_dbg(isp->dev,
"Can't get regulator vdds_csib, deferring probing\n");
return -EPROBE_DEFER;
}
dev_dbg(isp->dev,
"Could not get regulator vdds_csib\n");
ccp2->vdds_csib = NULL;