diff options
| -rw-r--r-- | arch/sh/boards/board-ap325rxa.c | 2 | ||||
| -rw-r--r-- | arch/sh/boards/mach-migor/setup.c | 2 | ||||
| -rw-r--r-- | drivers/media/video/sh_mobile_ceu_camera.c | 20 |
3 files changed, 21 insertions, 3 deletions
diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c index 8881a64..0afaeba 100644 --- a/arch/sh/boards/board-ap325rxa.c +++ b/arch/sh/boards/board-ap325rxa.c @@ -303,6 +303,7 @@ static struct resource ceu_resources[] = { static struct platform_device ceu_device = { .name = "sh_mobile_ceu", + .id = 0, /* "ceu0" clock */ .num_resources = ARRAY_SIZE(ceu_resources), .resource = ceu_resources, .dev = { @@ -375,7 +376,6 @@ static int __init ap325rxa_devices_setup(void) gpio_direction_output(GPIO_PTS3, 1); /* CEU */ - clk_always_enable("mstp203"); gpio_request(GPIO_FN_VIO_CLK2, NULL); gpio_request(GPIO_FN_VIO_VD2, NULL); gpio_request(GPIO_FN_VIO_HD2, NULL); diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c index 95dea1b..3684f19 100644 --- a/arch/sh/boards/mach-migor/setup.c +++ b/arch/sh/boards/mach-migor/setup.c @@ -433,6 +433,7 @@ static struct resource migor_ceu_resources[] = { static struct platform_device migor_ceu_device = { .name = "sh_mobile_ceu", + .id = 0, /* "ceu0" clock */ .num_resources = ARRAY_SIZE(migor_ceu_resources), .resource = migor_ceu_resources, .dev = { @@ -554,7 +555,6 @@ static int __init migor_devices_setup(void) #endif /* CEU */ - clk_always_enable("mstp203"); /* CEU */ gpio_request(GPIO_FN_VIO_CLK2, NULL); gpio_request(GPIO_FN_VIO_VD2, NULL); gpio_request(GPIO_FN_VIO_HD2, NULL); diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c index 2407607..536b1a9 100644 --- a/drivers/media/video/sh_mobile_ceu_camera.c +++ b/drivers/media/video/sh_mobile_ceu_camera.c @@ -31,6 +31,7 @@ #include <linux/platform_device.h> #include <linux/mutex.h> #include <linux/videodev2.h> +#include <linux/clk.h> #include <media/v4l2-common.h> #include <media/v4l2-dev.h> @@ -89,6 +90,7 @@ struct sh_mobile_ceu_dev { unsigned int irq; void __iomem *base; + struct clk *clk; unsigned long video_limit; /* lock used to protect videobuf */ @@ -309,6 +311,8 @@ static int sh_mobile_ceu_add_device(struct soc_camera_device *icd) if (ret) goto err; + clk_enable(pcdev->clk); + ceu_write(pcdev, CAPSR, 1 << 16); /* reset */ while (ceu_read(pcdev, CSTSR) & 1) msleep(1); @@ -342,6 +346,8 @@ static void sh_mobile_ceu_remove_device(struct soc_camera_device *icd) } spin_unlock_irqrestore(&pcdev->lock, flags); + clk_disable(pcdev->clk); + icd->ops->release(icd); dev_info(&icd->dev, @@ -550,6 +556,7 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev) struct sh_mobile_ceu_dev *pcdev; struct resource *res; void __iomem *base; + char clk_name[8]; unsigned int irq; int err = 0; @@ -615,6 +622,14 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev) goto exit_release_mem; } + snprintf(clk_name, sizeof(clk_name), "ceu%d", pdev->id); + pcdev->clk = clk_get(&pdev->dev, clk_name); + if (IS_ERR(pcdev->clk)) { + dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name); + err = PTR_ERR(pcdev->clk); + goto exit_free_irq; + } + pcdev->ici.priv = pcdev; pcdev->ici.dev.parent = &pdev->dev; pcdev->ici.nr = pdev->id; @@ -623,10 +638,12 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev) err = soc_camera_host_register(&pcdev->ici); if (err) - goto exit_free_irq; + goto exit_free_clk; return 0; +exit_free_clk: + clk_put(pcdev->clk); exit_free_irq: free_irq(pcdev->irq, pcdev); exit_release_mem: @@ -645,6 +662,7 @@ static int sh_mobile_ceu_remove(struct platform_device *pdev) struct sh_mobile_ceu_dev *pcdev = platform_get_drvdata(pdev); soc_camera_host_unregister(&pcdev->ici); + clk_put(pcdev->clk); free_irq(pcdev->irq, pcdev); if (platform_get_resource(pdev, IORESOURCE_MEM, 1)) dma_release_declared_memory(&pdev->dev); |
