Remove an unused variable and simplify several pointer dereferences.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
---
drivers/video/sh_mobile_lcdcfb.c | 51 +++++++++++++++++++------------------
1 files changed, 26 insertions(+), 25 deletions(-)
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 295bf4b..e4f6012 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -460,7 +460,6 @@ static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch)
static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
{
struct sh_mobile_lcdc_chan *ch;
- struct fb_videomode *lcd_cfg;
struct sh_mobile_lcdc_board_cfg *board_cfg;
unsigned long tmp;
int k, m;
@@ -518,7 +517,6 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
ch = &priv->ch[k];
- lcd_cfg = &ch->cfg.lcd_cfg;
if (!ch->enabled)
continue;
@@ -1018,14 +1016,14 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
{
struct fb_info *info;
struct sh_mobile_lcdc_priv *priv;
- struct sh_mobile_lcdc_info *pdata;
+ struct sh_mobile_lcdc_info *pdata = pdev->dev.platform_data;
struct sh_mobile_lcdc_chan_cfg *cfg;
struct resource *res;
int error;
void *buf;
int i, j;
- if (!pdev->dev.platform_data) {
+ if (!pdata) {
dev_err(&pdev->dev, "no platform data defined\n");
return -EINVAL;
}
@@ -1053,32 +1051,33 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
}
priv->irq = i;
- pdata = pdev->dev.platform_data;
atomic_set(&priv->hw_usecnt, -1);
j = 0;
for (i = 0; i < ARRAY_SIZE(pdata->ch); i++) {
- priv->ch[j].lcdc = priv;
- memcpy(&priv->ch[j].cfg, &pdata->ch[i], sizeof(pdata->ch[i]));
+ struct sh_mobile_lcdc_chan *ch = priv->ch + j;
- error = sh_mobile_lcdc_check_interface(&priv->ch[j]);
+ ch->lcdc = priv;
+ memcpy(&ch->cfg, &pdata->ch[i], sizeof(pdata->ch[i]));
+
+ error = sh_mobile_lcdc_check_interface(ch);
if (error) {
dev_err(&pdev->dev, "unsupported interface type\n");
goto err1;
}
- init_waitqueue_head(&priv->ch[j].frame_end_wait);
- init_completion(&priv->ch[j].vsync_completion);
- priv->ch[j].pan_offset = 0;
+ init_waitqueue_head(&ch->frame_end_wait);
+ init_completion(&ch->vsync_completion);
+ ch->pan_offset = 0;
switch (pdata->ch[i].chan) {
case LCDC_CHAN_MAINLCD:
- priv->ch[j].enabled = 1 << 1;
- priv->ch[j].reg_offs = lcdc_offs_mainlcd;
+ ch->enabled = 1 << 1;
+ ch->reg_offs = lcdc_offs_mainlcd;
j++;
break;
case LCDC_CHAN_SUBLCD:
- priv->ch[j].enabled = 1 << 2;
- priv->ch[j].reg_offs = lcdc_offs_sublcd;
+ ch->enabled = 1 << 2;
+ ch->reg_offs = lcdc_offs_sublcd;
j++;
break;
}
@@ -1102,17 +1101,19 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
for (i = 0; i < j; i++) {
struct fb_var_screeninfo *var;
- struct fb_videomode *lcd_cfg;
- cfg = &priv->ch[i].cfg;
+ const struct fb_videomode *lcd_cfg;
+ struct sh_mobile_lcdc_chan *ch = priv->ch + i;
+
+ cfg = &ch->cfg;
- priv->ch[i].info = framebuffer_alloc(0, &pdev->dev);
- if (!priv->ch[i].info) {
+ ch->info = framebuffer_alloc(0, &pdev->dev);
+ if (!ch->info) {
dev_err(&pdev->dev, "unable to allocate fb_info\n");
error = -ENOMEM;
break;
}
- info = priv->ch[i].info;
+ info = ch->info;
var = &info->var;
lcd_cfg = &cfg->lcd_cfg;
info->fbops = &sh_mobile_lcdc_ops;
@@ -1130,28 +1131,28 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
var->yres_virtual;
buf = dma_alloc_coherent(&pdev->dev, info->fix.smem_len,
- &priv->ch[i].dma_handle, GFP_KERNEL);
+ &ch->dma_handle, GFP_KERNEL);
if (!buf) {
dev_err(&pdev->dev, "unable to allocate buffer\n");
error = -ENOMEM;
break;
}
- info->pseudo_palette = &priv->ch[i].pseudo_palette;
+ info->pseudo_palette = &ch->pseudo_palette;
info->flags = FBINFO_FLAG_DEFAULT;
error = fb_alloc_cmap(&info->cmap, PALETTE_NR, 0);
if (error < 0) {
dev_err(&pdev->dev, "unable to allocate cmap\n");
dma_free_coherent(&pdev->dev, info->fix.smem_len,
- buf, priv->ch[i].dma_handle);
+ buf, ch->dma_handle);
break;
}
- info->fix.smem_start = priv->ch[i].dma_handle;
+ info->fix.smem_start = ch->dma_handle;
info->screen_base = buf;
info->device = &pdev->dev;
- info->par = &priv->ch[i];
+ info->par = ch;
}
if (error)
--
1.7.1
--
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