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path: root/drivers/video/sh_mobile_lcdcfb.c
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Diffstat (limited to 'drivers/video/sh_mobile_lcdcfb.c')
-rw-r--r--drivers/video/sh_mobile_lcdcfb.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index bbd1dbf4026..e8c76994481 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -20,6 +20,7 @@
#include <linux/interrupt.h>
#include <linux/vmalloc.h>
#include <linux/ioctl.h>
+#include <linux/slab.h>
#include <video/sh_mobile_lcdc.h>
#include <asm/atomic.h>
@@ -694,6 +695,7 @@ static int sh_mobile_lcdc_setup_clocks(struct platform_device *pdev,
* 1) Enable Runtime PM
* 2) Force Runtime PM Resume since hardware is accessed from probe()
*/
+ priv->dev = &pdev->dev;
pm_runtime_enable(priv->dev);
pm_runtime_resume(priv->dev);
return 0;
@@ -956,25 +958,24 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
if (!pdev->dev.platform_data) {
dev_err(&pdev->dev, "no platform data defined\n");
- error = -EINVAL;
- goto err0;
+ return -EINVAL;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
i = platform_get_irq(pdev, 0);
if (!res || i < 0) {
dev_err(&pdev->dev, "cannot get platform resources\n");
- error = -ENOENT;
- goto err0;
+ return -ENOENT;
}
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv) {
dev_err(&pdev->dev, "cannot allocate device data\n");
- error = -ENOMEM;
- goto err0;
+ return -ENOMEM;
}
+ platform_set_drvdata(pdev, priv);
+
error = request_irq(i, sh_mobile_lcdc_irq, IRQF_DISABLED,
dev_name(&pdev->dev), priv);
if (error) {
@@ -983,8 +984,6 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
}
priv->irq = i;
- priv->dev = &pdev->dev;
- platform_set_drvdata(pdev, priv);
pdata = pdev->dev.platform_data;
j = 0;
@@ -1098,9 +1097,9 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
info = ch->info;
if (info->fbdefio) {
- priv->ch->sglist = vmalloc(sizeof(struct scatterlist) *
+ ch->sglist = vmalloc(sizeof(struct scatterlist) *
info->fix.smem_len >> PAGE_SHIFT);
- if (!priv->ch->sglist) {
+ if (!ch->sglist) {
dev_err(&pdev->dev, "cannot allocate sglist\n");
goto err1;
}
@@ -1125,9 +1124,9 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
}
return 0;
- err1:
+err1:
sh_mobile_lcdc_remove(pdev);
- err0:
+
return error;
}
@@ -1138,7 +1137,7 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
int i;
for (i = 0; i < ARRAY_SIZE(priv->ch); i++)
- if (priv->ch[i].info->dev)
+ if (priv->ch[i].info && priv->ch[i].info->dev)
unregister_framebuffer(priv->ch[i].info);
sh_mobile_lcdc_stop(priv);
@@ -1161,7 +1160,8 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
if (priv->dot_clk)
clk_put(priv->dot_clk);
- pm_runtime_disable(priv->dev);
+ if (priv->dev)
+ pm_runtime_disable(priv->dev);
if (priv->base)
iounmap(priv->base);