diff options
Diffstat (limited to 'drivers/video/omap2/dss/dpi.c')
| -rw-r--r-- | drivers/video/omap2/dss/dpi.c | 35 |
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) |