Move panel detection to a separate function, this helps in readability
as well as makes DT support cleaner.
Signed-off-by: Afzal Mohammed <afzal@xxxxxx>
---
drivers/video/da8xx-fb.c | 42 ++++++++++++++++++++++++++----------------
1 file changed, 26 insertions(+), 16 deletions(-)
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 3b146bc..b6ea5e9 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -1253,6 +1253,27 @@ static struct fb_ops da8xx_fb_ops = {
.fb_blank = cfb_blank,
};
+static struct fb_videomode *da8xx_fb_get_videomode(struct platform_device *dev)
+{
+ struct da8xx_lcdc_platform_data *fb_pdata = dev->dev.platform_data;
+ struct fb_videomode *lcdc_info;
+ int i;
+
+ for (i = 0, lcdc_info = known_lcd_panels;
+ i < ARRAY_SIZE(known_lcd_panels); i++, lcdc_info++) {
+ if (strcmp(fb_pdata->type, lcdc_info->name) == 0)
+ break;
+ }
+
+ if (i == ARRAY_SIZE(known_lcd_panels)) {
+ dev_err(&dev->dev, "no panel found\n");
+ return NULL;
+ }
+ dev_info(&dev->dev, "found %s panel\n", lcdc_info->name);
+
+ return lcdc_info;
+}
+
static int fb_probe(struct platform_device *device)
{
struct da8xx_lcdc_platform_data *fb_pdata =
@@ -1262,7 +1283,7 @@ static int fb_probe(struct platform_device *device)
struct fb_info *da8xx_fb_info;
struct clk *fb_clk = NULL;
struct da8xx_fb_par *par;
- int ret, i;
+ int ret;
unsigned long ulcm;
if (fb_pdata == NULL) {
@@ -1270,6 +1291,10 @@ static int fb_probe(struct platform_device *device)
return -ENOENT;
}
+ lcdc_info = da8xx_fb_get_videomode(device);
+ if (lcdc_info == NULL)
+ return -ENODEV;
+
lcdc_regs = platform_get_resource(device, IORESOURCE_MEM, 0);
da8xx_fb_reg_base = devm_request_and_ioremap(&device->dev, lcdc_regs);
if (!da8xx_fb_reg_base) {
@@ -1303,21 +1328,6 @@ static int fb_probe(struct platform_device *device)
break;
}
- for (i = 0, lcdc_info = known_lcd_panels;
- i < ARRAY_SIZE(known_lcd_panels);
- i++, lcdc_info++) {
- if (strcmp(fb_pdata->type, lcdc_info->name) == 0)
- break;
- }
-
- if (i == ARRAY_SIZE(known_lcd_panels)) {
- dev_err(&device->dev, "GLCD: No valid panel found\n");
- ret = -ENODEV;
- goto err_pm_runtime_disable;
- } else
- dev_info(&device->dev, "GLCD: Found %s panel\n",
- fb_pdata->type);
-
lcd_cfg = (struct lcd_ctrl_config *)fb_pdata->controller_data;
if (!lcd_cfg) {
--
1.7.9.5
--
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