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authorPavel Machek <pavel@ucw.cz>2017-03-02 07:45:32 -0500
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-07-19 15:49:45 -0400
commita4573084cb7596b13e0853fa97b069c8fb30b6e7 (patch)
tree309fe4e46263d57df835e27037791b56e3eb601c /drivers/media/platform/omap3isp
parenta6b687df8a8742511ae46f4363ac6a0cba0d31b1 (diff)
downloadtalos-obmc-linux-a4573084cb7596b13e0853fa97b069c8fb30b6e7.tar.gz
talos-obmc-linux-a4573084cb7596b13e0853fa97b069c8fb30b6e7.zip
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>
Diffstat (limited to 'drivers/media/platform/omap3isp')
-rw-r--r--drivers/media/platform/omap3isp/isp.c3
-rw-r--r--drivers/media/platform/omap3isp/ispccp2.c5
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index db2cccb57ceb..dbaede0d8974 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -1880,7 +1880,8 @@ static int isp_initialize_modules(struct isp_device *isp)
ret = omap3isp_ccp2_init(isp);
if (ret < 0) {
- dev_err(isp->dev, "CCP2 initialization failed\n");
+ if (ret != -EPROBE_DEFER)
+ dev_err(isp->dev, "CCP2 initialization failed\n");
goto error_ccp2;
}
diff --git a/drivers/media/platform/omap3isp/ispccp2.c b/drivers/media/platform/omap3isp/ispccp2.c
index 588f67a89f79..8b6f7d2e79a0 100644
--- a/drivers/media/platform/omap3isp/ispccp2.c
+++ b/drivers/media/platform/omap3isp/ispccp2.c
@@ -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;
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