OMAPDSS: RFBI: Add error handling for rfbi_probe_pdata
Add proper error handling for rfbi_probe_pdata(). This will cause
EPROBE_DEFER to be properly passed upwards, causing the RFBI driver to be
probed again later if a resource was missing.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c
index e55e411..1a17dd1 100644
--- a/drivers/video/omap2/dss/rfbi.c
+++ b/drivers/video/omap2/dss/rfbi.c
@@ -977,7 +977,7 @@
return def_dssdev;
}
-static void rfbi_probe_pdata(struct platform_device *rfbidev)
+static int rfbi_probe_pdata(struct platform_device *rfbidev)
{
struct omap_dss_device *plat_dssdev;
struct omap_dss_device *dssdev;
@@ -986,11 +986,11 @@
plat_dssdev = rfbi_find_dssdev(rfbidev);
if (!plat_dssdev)
- return;
+ return 0;
dssdev = dss_alloc_and_init_device(&rfbidev->dev);
if (!dssdev)
- return;
+ return -ENOMEM;
dss_copy_device_pdata(dssdev, plat_dssdev);
@@ -998,7 +998,7 @@
if (r) {
DSSERR("device %s init failed: %d\n", dssdev->name, r);
dss_put_device(dssdev);
- return;
+ return r;
}
r = omapdss_output_set_device(&rfbi.output, dssdev);
@@ -1006,7 +1006,7 @@
DSSERR("failed to connect output to new device: %s\n",
dssdev->name);
dss_put_device(dssdev);
- return;
+ return r;
}
r = dss_add_device(dssdev);
@@ -1014,8 +1014,10 @@
DSSERR("device %s register failed: %d\n", dssdev->name, r);
omapdss_output_unset_device(&rfbi.output);
dss_put_device(dssdev);
- return;
+ return r;
}
+
+ return 0;
}
static void rfbi_init_output(struct platform_device *pdev)
@@ -1091,7 +1093,12 @@
rfbi_init_output(pdev);
- rfbi_probe_pdata(pdev);
+ r = rfbi_probe_pdata(pdev);
+ if (r) {
+ rfbi_uninit_output(pdev);
+ pm_runtime_disable(&pdev->dev);
+ return r;
+ }
return 0;