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authorDave Airlie <airlied@redhat.com>2013-05-03 04:10:23 +0400
committerDave Airlie <airlied@redhat.com>2013-05-03 04:10:23 +0400
commit7e17fc0b69fbec2c25398adfb18a18fa6b210a53 (patch)
tree3fab05a131aff7aa4e69923af0d390e17aefc0d3 /drivers/video/omap2/dss/dpi.c
parent6110948846e9440a60e491a9be67a8a13c646b7e (diff)
parentbca3913034ef99c9cc028d054273a3b271ed62b9 (diff)
downloadlinux-7e17fc0b69fbec2c25398adfb18a18fa6b210a53.tar.xz
Merge tag 'omapdss-for-3.10-fixes' of git://gitorious.org/linux-omap-dss2/linux into drm-next
OMAPDSS fixes for 3.10: * Compilation fix when DSI is disabled in Kconfig * Basic deferred probe support to fix DT boot * tag 'omapdss-for-3.10-fixes' of git://gitorious.org/linux-omap-dss2/linux: OMAPDSS: TFP410: return EPROBE_DEFER if the i2c adapter not found OMAPDSS: VENC: Add error handling for venc_probe_pdata OMAPDSS: HDMI: Add error handling for hdmi_probe_pdata OMAPDSS: RFBI: Add error handling for rfbi_probe_pdata OMAPDSS: DSI: Add error handling for dsi_probe_pdata OMAPDSS: SDI: Add error handling for sdi_probe_pdata OMAPDSS: DPI: Add error handling for dpi_probe_pdata OMAPDSS: VENC: use platform_driver_register() OMAPDSS: HDMI: use platform_driver_register() OMAPDSS: RFBI: use platform_driver_register() OMAPDSS: DSI: use platform_driver_register() OMAPDSS: SDI: use platform_driver_register() OMAPDSS: DPI: use platform_driver_register() OMAPFB: defer probe if no displays OMAPFB: use module_platform_driver() OMAPDSS: Makefile: move omapfb after panels OMAPDSS: DPI: fix compilation if DSI not compiled in
Diffstat (limited to 'drivers/video/omap2/dss/dpi.c')
-rw-r--r--drivers/video/omap2/dss/dpi.c35
1 files changed, 22 insertions, 13 deletions
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index e93c4debea7f..757b57f7275a 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -520,7 +520,7 @@ void omapdss_dpi_set_data_lines(struct omap_dss_device *dssdev, int data_lines)
}
EXPORT_SYMBOL(omapdss_dpi_set_data_lines);
-static int __init dpi_verify_dsi_pll(struct platform_device *dsidev)
+static int dpi_verify_dsi_pll(struct platform_device *dsidev)
{
int r;
@@ -572,7 +572,7 @@ static enum omap_channel dpi_get_channel(void)
}
}
-static int __init dpi_init_display(struct omap_dss_device *dssdev)
+static int dpi_init_display(struct omap_dss_device *dssdev)
{
struct platform_device *dsidev;
@@ -607,7 +607,7 @@ static int __init dpi_init_display(struct omap_dss_device *dssdev)
return 0;
}
-static struct omap_dss_device * __init dpi_find_dssdev(struct platform_device *pdev)
+static struct omap_dss_device *dpi_find_dssdev(struct platform_device *pdev)
{
struct omap_dss_board_info *pdata = pdev->dev.platform_data;
const char *def_disp_name = omapdss_get_default_display_name();
@@ -635,7 +635,7 @@ static struct omap_dss_device * __init dpi_find_dssdev(struct platform_device *p
return def_dssdev;
}
-static void __init dpi_probe_pdata(struct platform_device *dpidev)
+static int dpi_probe_pdata(struct platform_device *dpidev)
{
struct omap_dss_device *plat_dssdev;
struct omap_dss_device *dssdev;
@@ -644,11 +644,11 @@ static void __init dpi_probe_pdata(struct platform_device *dpidev)
plat_dssdev = dpi_find_dssdev(dpidev);
if (!plat_dssdev)
- return;
+ return 0;
dssdev = dss_alloc_and_init_device(&dpidev->dev);
if (!dssdev)
- return;
+ return -ENOMEM;
dss_copy_device_pdata(dssdev, plat_dssdev);
@@ -656,7 +656,7 @@ static void __init dpi_probe_pdata(struct platform_device *dpidev)
if (r) {
DSSERR("device %s init failed: %d\n", dssdev->name, r);
dss_put_device(dssdev);
- return;
+ return r;
}
r = omapdss_output_set_device(&dpi.output, dssdev);
@@ -664,7 +664,7 @@ static void __init dpi_probe_pdata(struct platform_device *dpidev)
DSSERR("failed to connect output to new device: %s\n",
dssdev->name);
dss_put_device(dssdev);
- return;
+ return r;
}
r = dss_add_device(dssdev);
@@ -672,11 +672,13 @@ static void __init dpi_probe_pdata(struct platform_device *dpidev)
DSSERR("device %s register failed: %d\n", dssdev->name, r);
omapdss_output_unset_device(&dpi.output);
dss_put_device(dssdev);
- return;
+ return r;
}
+
+ return 0;
}
-static void __init dpi_init_output(struct platform_device *pdev)
+static void dpi_init_output(struct platform_device *pdev)
{
struct omap_dss_output *out = &dpi.output;
@@ -696,13 +698,19 @@ static void __exit dpi_uninit_output(struct platform_device *pdev)
dss_unregister_output(out);
}
-static int __init omap_dpi_probe(struct platform_device *pdev)
+static int omap_dpi_probe(struct platform_device *pdev)
{
+ int r;
+
mutex_init(&dpi.lock);
dpi_init_output(pdev);
- dpi_probe_pdata(pdev);
+ r = dpi_probe_pdata(pdev);
+ if (r) {
+ dpi_uninit_output(pdev);
+ return r;
+ }
return 0;
}
@@ -717,6 +725,7 @@ static int __exit omap_dpi_remove(struct platform_device *pdev)
}
static struct platform_driver omap_dpi_driver = {
+ .probe = omap_dpi_probe,
.remove = __exit_p(omap_dpi_remove),
.driver = {
.name = "omapdss_dpi",
@@ -726,7 +735,7 @@ static struct platform_driver omap_dpi_driver = {
int __init dpi_init_platform_driver(void)
{
- return platform_driver_probe(&omap_dpi_driver, omap_dpi_probe);
+ return platform_driver_register(&omap_dpi_driver);
}
void __exit dpi_uninit_platform_driver(void)