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V4L/DVB (11608): soc-camera: host-driver cleanup 

Embed struct soc_camera_host in platform-specific per host instance objects
instead of allocating them statically in drivers, use platform_[gs]et_drvdata
consistently, use resource_size().

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Guennadi Liakhovetski 2009-04-24 12:55:18 -03:00 committed by Mauro Carvalho Chehab
parent 594bb46dbc
commit eb6c8558f7
4 changed files with 26 additions and 32 deletions
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21
drivers/media/video/mx1_camera.c
View File

@ -102,6 +102,7 @@ struct mx1_buffer {
* Interface. If anyone ever builds hardware to enable more than
* one camera, they will have to modify this driver too */
struct mx1_camera_dev {
struct soc_camera_host soc_host;
struct soc_camera_device *icd;
struct mx1_camera_pdata *pdata;
struct mx1_buffer *active;
@ -633,12 +634,6 @@ static struct soc_camera_host_ops mx1_soc_camera_host_ops = {
.querycap = mx1_camera_querycap,
};
/* Should be allocated dynamically too, but we have only one. */
static struct soc_camera_host mx1_soc_camera_host = {
.drv_name = DRIVER_NAME,
.ops = &mx1_soc_camera_host_ops,
};
static struct fiq_handler fh = {
.name = "csi_sof"
};
@ -673,7 +668,7 @@ static int __init mx1_camera_probe(struct platform_device *pdev)
goto exit_put_clk;
}
dev_set_drvdata(&pdev->dev, pcdev);
platform_set_drvdata(pdev, pcdev);
pcdev->res = res;
pcdev->clk = clk;
@ -746,10 +741,12 @@ static int __init mx1_camera_probe(struct platform_device *pdev)
mxc_set_irq_fiq(irq, 1);
enable_fiq(irq);
mx1_soc_camera_host.priv = pcdev;
mx1_soc_camera_host.dev.parent = &pdev->dev;
mx1_soc_camera_host.nr = pdev->id;
err = soc_camera_host_register(&mx1_soc_camera_host);
pcdev->soc_host.drv_name = DRIVER_NAME;
pcdev->soc_host.ops = &mx1_soc_camera_host_ops;
pcdev->soc_host.priv = pcdev;
pcdev->soc_host.dev.parent = &pdev->dev;
pcdev->soc_host.nr = pdev->id;
err = soc_camera_host_register(&pcdev->soc_host);
if (err)
goto exit_free_irq;
@ -787,7 +784,7 @@ static int __exit mx1_camera_remove(struct platform_device *pdev)
clk_put(pcdev->clk);
soc_camera_host_unregister(&mx1_soc_camera_host);
soc_camera_host_unregister(&pcdev->soc_host);
iounmap(pcdev->base);

2
drivers/media/video/mx3_camera.c
View File

@ -1102,7 +1102,7 @@ static int mx3_camera_probe(struct platform_device *pdev)
goto eclkget;
}
dev_set_drvdata(&pdev->dev, mx3_cam);
platform_set_drvdata(pdev, mx3_cam);
mx3_cam->pdata = pdev->dev.platform_data;
mx3_cam->platform_flags = mx3_cam->pdata->flags;

29
drivers/media/video/pxa_camera.c
View File

@ -202,6 +202,7 @@ struct pxa_buffer {
};
struct pxa_camera_dev {
struct soc_camera_host soc_host;
struct device *dev;
/* PXA27x is only supposed to handle one camera on its Quick Capture
* interface. If anyone ever builds hardware to enable more than
@ -1552,12 +1553,6 @@ static struct soc_camera_host_ops pxa_soc_camera_host_ops = {
.set_bus_param = pxa_camera_set_bus_param,
};
/* Should be allocated dynamically too, but we have only one. */
static struct soc_camera_host pxa_soc_camera_host = {
.drv_name = PXA_CAM_DRV_NAME,
.ops = &pxa_soc_camera_host_ops,
};
static int pxa_camera_probe(struct platform_device *pdev)
{
struct pxa_camera_dev *pcdev;
@ -1586,7 +1581,7 @@ static int pxa_camera_probe(struct platform_device *pdev)
goto exit_kfree;
}
dev_set_drvdata(&pdev->dev, pcdev);
platform_set_drvdata(pdev, pcdev);
pcdev->res = res;
pcdev->pdata = pdev->dev.platform_data;
@ -1616,13 +1611,13 @@ static int pxa_camera_probe(struct platform_device *pdev)
/*
* Request the regions.
*/
if (!request_mem_region(res->start, res->end - res->start + 1,
if (!request_mem_region(res->start, resource_size(res),
PXA_CAM_DRV_NAME)) {
err = -EBUSY;
goto exit_clk;
}
base = ioremap(res->start, res->end - res->start + 1);
base = ioremap(res->start, resource_size(res));
if (!base) {
err = -ENOMEM;
goto exit_release;
@ -1670,10 +1665,12 @@ static int pxa_camera_probe(struct platform_device *pdev)
goto exit_free_dma;
}
pxa_soc_camera_host.priv = pcdev;
pxa_soc_camera_host.dev.parent = &pdev->dev;
pxa_soc_camera_host.nr = pdev->id;
err = soc_camera_host_register(&pxa_soc_camera_host);
pcdev->soc_host.drv_name = PXA_CAM_DRV_NAME;
pcdev->soc_host.ops = &pxa_soc_camera_host_ops;
pcdev->soc_host.priv = pcdev;
pcdev->soc_host.dev.parent = &pdev->dev;
pcdev->soc_host.nr = pdev->id;
err = soc_camera_host_register(&pcdev->soc_host);
if (err)
goto exit_free_irq;
@ -1690,7 +1687,7 @@ exit_free_dma_y:
exit_iounmap:
iounmap(base);
exit_release:
release_mem_region(res->start, res->end - res->start + 1);
release_mem_region(res->start, resource_size(res));
exit_clk:
clk_put(pcdev->clk);
exit_kfree:
@ -1711,12 +1708,12 @@ static int __devexit pxa_camera_remove(struct platform_device *pdev)
pxa_free_dma(pcdev->dma_chans[2]);
free_irq(pcdev->irq, pcdev);
soc_camera_host_unregister(&pxa_soc_camera_host);
soc_camera_host_unregister(&pcdev->soc_host);
iounmap(pcdev->base);
res = pcdev->res;
release_mem_region(res->start, res->end - res->start + 1);
release_mem_region(res->start, resource_size(res));
kfree(pcdev);

6
drivers/media/video/sh_mobile_ceu_camera.c
View File

@ -840,7 +840,7 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev)
goto exit_kfree;
}
base = ioremap_nocache(res->start, res->end - res->start + 1);
base = ioremap_nocache(res->start, resource_size(res));
if (!base) {
err = -ENXIO;
dev_err(&pdev->dev, "Unable to ioremap CEU registers.\n");
@ -856,7 +856,7 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev)
if (res) {
err = dma_declare_coherent_memory(&pdev->dev, res->start,
res->start,
(res->end - res->start) + 1,
resource_size(res),
DMA_MEMORY_MAP |
DMA_MEMORY_EXCLUSIVE);
if (!err) {
@ -865,7 +865,7 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev)
goto exit_iounmap;
}
pcdev->video_limit = (res->end - res->start) + 1;
pcdev->video_limit = resource_size(res);
}
/* request irq */