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| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2013-04-26 14:47:41 +0400 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2013-05-02 13:24:56 +0400 |
| commit | d1890a680e439e1b284faca6e8eaa330c599f99f (patch) | |
| tree | 74b4051eb58ee43197e24671361727b37f20ef66 /drivers/video | |
| parent | e1086278e9ab7c75edb6a9c0cdbdc452be25eb8d (diff) | |
| download | linux-d1890a680e439e1b284faca6e8eaa330c599f99f.tar.xz | |
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.c | 20 |
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); |