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authorTomi Valkeinen <tomi.valkeinen@ti.com>2013-04-26 15:52:23 +0400
committerTomi Valkeinen <tomi.valkeinen@ti.com>2013-05-02 13:25:22 +0400
commitc0980297ff8f8184778258a7f544525e483fbd85 (patch)
treeed16802bd0b3efa6ea58dfe431dcfc2ff07ead43 /drivers/video
parentf60a32fd9e3461dc33d44cca74db18fa09a0fa47 (diff)
downloadlinux-c0980297ff8f8184778258a7f544525e483fbd85.tar.xz
OMAPDSS: HDMI: Add error handling for hdmi_probe_pdata
Add proper error handling for hdmi_probe_pdata(). This will cause EPROBE_DEFER to be properly passed upwards, causing the HDMI 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/hdmi.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 9aefe60800f2..17f4d55c621c 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -982,7 +982,7 @@ static struct omap_dss_device *hdmi_find_dssdev(struct platform_device *pdev)
return def_dssdev;
}
-static void hdmi_probe_pdata(struct platform_device *pdev)
+static int hdmi_probe_pdata(struct platform_device *pdev)
{
struct omap_dss_device *plat_dssdev;
struct omap_dss_device *dssdev;
@@ -992,11 +992,11 @@ static void hdmi_probe_pdata(struct platform_device *pdev)
plat_dssdev = hdmi_find_dssdev(pdev);
if (!plat_dssdev)
- return;
+ return 0;
dssdev = dss_alloc_and_init_device(&pdev->dev);
if (!dssdev)
- return;
+ return -ENOMEM;
dss_copy_device_pdata(dssdev, plat_dssdev);
@@ -1010,7 +1010,7 @@ static void hdmi_probe_pdata(struct platform_device *pdev)
if (r) {
DSSERR("device %s init failed: %d\n", dssdev->name, r);
dss_put_device(dssdev);
- return;
+ return r;
}
r = omapdss_output_set_device(&hdmi.output, dssdev);
@@ -1018,7 +1018,7 @@ static void hdmi_probe_pdata(struct platform_device *pdev)
DSSERR("failed to connect output to new device: %s\n",
dssdev->name);
dss_put_device(dssdev);
- return;
+ return r;
}
r = dss_add_device(dssdev);
@@ -1027,8 +1027,10 @@ static void hdmi_probe_pdata(struct platform_device *pdev)
omapdss_output_unset_device(&hdmi.output);
hdmi_uninit_display(dssdev);
dss_put_device(dssdev);
- return;
+ return r;
}
+
+ return 0;
}
static void hdmi_init_output(struct platform_device *pdev)
@@ -1096,7 +1098,13 @@ static int omapdss_hdmihw_probe(struct platform_device *pdev)
dss_debugfs_create_file("hdmi", hdmi_dump_regs);
- hdmi_probe_pdata(pdev);
+ r = hdmi_probe_pdata(pdev);
+ if (r) {
+ hdmi_panel_exit();
+ hdmi_uninit_output(pdev);
+ pm_runtime_disable(&pdev->dev);
+ return r;
+ }
return 0;
}