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authorTomi Valkeinen <tomi.valkeinen@ti.com>2013-04-26 12:47:41 +0200
committerTomi Valkeinen <tomi.valkeinen@ti.com>2013-05-02 11:24:56 +0200
commitd1890a680e439e1b284faca6e8eaa330c599f99f (patch)
tree74b4051eb58ee43197e24671361727b37f20ef66 /drivers/video
parentOMAPDSS: SDI: Add error handling for sdi_probe_pdata (diff)
downloadlinux-d1890a680e439e1b284faca6e8eaa330c599f99f.tar.xz
linux-d1890a680e439e1b284faca6e8eaa330c599f99f.zip
OMAPDSS: DSI: Add error handling for dsi_probe_pdata
Add proper error handling for dsi_probe_pdata(). This will cause EPROBE_DEFER to be properly passed upwards, causing the DSI driver to be probed again later if a resource was missing. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/omap2/dss/dsi.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index 55fc0d48b5ed..a73dedc33101 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -5398,7 +5398,7 @@ static struct omap_dss_device *dsi_find_dssdev(struct platform_device *pdev)
return def_dssdev;
}
-static void dsi_probe_pdata(struct platform_device *dsidev)
+static int dsi_probe_pdata(struct platform_device *dsidev)
{
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
struct omap_dss_device *plat_dssdev;
@@ -5408,11 +5408,11 @@ static void dsi_probe_pdata(struct platform_device *dsidev)
plat_dssdev = dsi_find_dssdev(dsidev);
if (!plat_dssdev)
- return;
+ return 0;
dssdev = dss_alloc_and_init_device(&dsidev->dev);
if (!dssdev)
- return;
+ return -ENOMEM;
dss_copy_device_pdata(dssdev, plat_dssdev);
@@ -5420,7 +5420,7 @@ static void dsi_probe_pdata(struct platform_device *dsidev)
if (r) {
DSSERR("device %s init failed: %d\n", dssdev->name, r);
dss_put_device(dssdev);
- return;
+ return r;
}
r = omapdss_output_set_device(&dsi->output, dssdev);
@@ -5428,7 +5428,7 @@ static void dsi_probe_pdata(struct platform_device *dsidev)
DSSERR("failed to connect output to new device: %s\n",
dssdev->name);
dss_put_device(dssdev);
- return;
+ return r;
}
r = dss_add_device(dssdev);
@@ -5458,7 +5458,7 @@ static void dsi_init_output(struct platform_device *dsidev)
dss_register_output(out);
}
-static void __exit dsi_uninit_output(struct platform_device *dsidev)
+static void dsi_uninit_output(struct platform_device *dsidev)
{
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
struct omap_dss_output *out = &dsi->output;
@@ -5563,7 +5563,13 @@ static int omap_dsihw_probe(struct platform_device *dsidev)
dsi_init_output(dsidev);
- dsi_probe_pdata(dsidev);
+ r = dsi_probe_pdata(dsidev);
+ if (r) {
+ dsi_runtime_put(dsidev);
+ dsi_uninit_output(dsidev);
+ pm_runtime_disable(&dsidev->dev);
+ return r;
+ }
dsi_runtime_put(dsidev);