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OMAP: DSS2: check for manager when enabling display
[deliverable/linux.git]
/
drivers
/
video
/
omap2
/
dss
/
dsi.c
diff --git
a/drivers/video/omap2/dss/dsi.c
b/drivers/video/omap2/dss/dsi.c
index 7adbbeb84334f3a9ec857c8f7d00b394b2082f6c..12da2fbd79317e4b43104d64c0b27b017e740626 100644
(file)
--- a/
drivers/video/omap2/dss/dsi.c
+++ b/
drivers/video/omap2/dss/dsi.c
@@
-4211,6
+4211,12
@@
int omapdss_dsi_display_enable(struct omap_dss_device *dssdev)
mutex_lock(&dsi->lock);
+ if (dssdev->manager == NULL) {
+ DSSERR("failed to enable display: no manager\n");
+ r = -ENODEV;
+ goto err_start_dev;
+ }
+
r = omap_dss_start_device(dssdev);
if (r) {
DSSERR("failed to start device\n");
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