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authorLad, Prabhakar <prabhakar.csengg@gmail.com>2013-07-13 07:50:29 (GMT)
committerMauro Carvalho Chehab <m.chehab@samsung.com>2013-07-26 16:19:08 (GMT)
commit6b55b4516cf6f4711024a158dabbb50b282c5d3f (patch)
tree9132f5470aa97df27d63ec50d834d6703e5d1a41 /drivers/media/platform
parent418f7d60c05c638d6557927a92cf9b2e328ae7dc (diff)
downloadlinux-6b55b4516cf6f4711024a158dabbb50b282c5d3f.tar.xz
[media] media: davinci: vpbe_display: convert to devm* api
Replace existing resource handling in the driver with managed device resource, this ensures more consistent error values and simplifies error paths. Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/platform')
-rw-r--r--drivers/media/platform/davinci/vpbe_display.c23
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c
index e180ff7..04609cc6 100644
--- a/drivers/media/platform/davinci/vpbe_display.c
+++ b/drivers/media/platform/davinci/vpbe_display.c
@@ -1743,11 +1743,10 @@ static int vpbe_display_probe(struct platform_device *pdev)
printk(KERN_DEBUG "vpbe_display_probe\n");
/* Allocate memory for vpbe_display */
- disp_dev = kzalloc(sizeof(struct vpbe_display), GFP_KERNEL);
- if (!disp_dev) {
- printk(KERN_ERR "ran out of memory\n");
+ disp_dev = devm_kzalloc(&pdev->dev, sizeof(struct vpbe_display),
+ GFP_KERNEL);
+ if (!disp_dev)
return -ENOMEM;
- }
spin_lock_init(&disp_dev->dma_queue_lock);
/*
@@ -1786,26 +1785,24 @@ static int vpbe_display_probe(struct platform_device *pdev)
}
irq = res->start;
- if (request_irq(irq, venc_isr, IRQF_DISABLED, VPBE_DISPLAY_DRIVER,
- disp_dev)) {
+ err = devm_request_irq(&pdev->dev, irq, venc_isr, IRQF_DISABLED,
+ VPBE_DISPLAY_DRIVER, disp_dev);
+ if (err) {
v4l2_err(&disp_dev->vpbe_dev->v4l2_dev,
"Unable to request interrupt\n");
- err = -ENODEV;
goto probe_out;
}
for (i = 0; i < VPBE_DISPLAY_MAX_DEVICES; i++) {
if (register_device(disp_dev->dev[i], disp_dev, pdev)) {
err = -ENODEV;
- goto probe_out_irq;
+ goto probe_out;
}
}
printk(KERN_DEBUG "Successfully completed the probing of vpbe v4l2 device\n");
return 0;
-probe_out_irq:
- free_irq(res->start, disp_dev);
probe_out:
for (k = 0; k < VPBE_DISPLAY_MAX_DEVICES; k++) {
/* Get the pointer to the layer object */
@@ -1817,7 +1814,6 @@ probe_out:
kfree(disp_dev->dev[k]);
}
}
- kfree(disp_dev);
return err;
}
@@ -1830,15 +1826,10 @@ static int vpbe_display_remove(struct platform_device *pdev)
struct vpbe_layer *vpbe_display_layer;
struct vpbe_display *disp_dev = platform_get_drvdata(pdev);
struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
- struct resource *res;
int i;
v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_remove\n");
- /* unregister irq */
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- free_irq(res->start, disp_dev);
-
/* deinitialize the vpbe display controller */
if (NULL != vpbe_dev->ops.deinitialize)
vpbe_dev->ops.deinitialize(&pdev->dev, vpbe_dev);