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authorTomi Valkeinen <tomi.valkeinen@ti.com>2013-05-02 12:15:31 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2013-05-02 12:24:57 +0300
commitf60a32fd9e3461dc33d44cca74db18fa09a0fa47 (patch)
tree52689c2670fdfe82c9be61652866ddc2d86f91c9
parentd1890a680e439e1b284faca6e8eaa330c599f99f (diff)
downloadlinux-f60a32fd9e3461dc33d44cca74db18fa09a0fa47.tar.bz2
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>
-rw-r--r--drivers/video/omap2/dss/rfbi.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c
index e55e411054d7..1a17dd1447dc 100644
--- a/drivers/video/omap2/dss/rfbi.c
+++ b/drivers/video/omap2/dss/rfbi.c
@@ -977,7 +977,7 @@ static struct omap_dss_device *rfbi_find_dssdev(struct platform_device *pdev)
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 @@ static void rfbi_probe_pdata(struct platform_device *rfbidev)
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 @@ static void rfbi_probe_pdata(struct platform_device *rfbidev)
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 @@ static void rfbi_probe_pdata(struct platform_device *rfbidev)
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 @@ static void rfbi_probe_pdata(struct platform_device *rfbidev)
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 @@ static int omap_rfbihw_probe(struct platform_device *pdev)
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;