aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/platform/davinci/vpif.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2013-07-13 12:09:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-13 12:09:57 -0700
commit858655116bfc722837e3aec0909b8e9d08f96996 (patch)
treeef9171d51ffcd01e40d1131d62be32e5a7d371dc /drivers/media/platform/davinci/vpif.c
parent239dab4636f7f5f971ac39b5ca84254cff112cac (diff)
parent1b2c14b44adcb7836528640bfdc40bf7499d987d (diff)
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: "This series contain: - new i2c video drivers: ml86v7667 (video decoder), ths8200 (video encoder) - a new video driver for EasyCap cards based on Fushicai USBTV007 - Improved support for OF and embedded systems, with V4L2 async initialization and a better support for clocks - API cleanups on the ioctls used by the v4l2 debug tool - Lots of cleanups - As usual, several driver improvements and new cards additions - Revert two changesets that change the minimal symbol rate for stv0399, as request by Manu - Update MAINTAINERS and other files to point to my new e-mail" * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (378 commits) MAINTAINERS & ABI: Update to point to my new email [media] stb0899: restore minimal rate to 5Mbauds [media] exynos4-is: Correct colorspace handling at FIMC-LITE [media] exynos4-is: Set valid initial format on FIMC.n subdevs [media] exynos4-is: Set valid initial format on FIMC-IS-ISP subdev pads [media] exynos4-is: Fix format propagation on FIMC-IS-ISP subdev [media] exynos4-is: Set valid initial format at FIMC-LITE [media] exynos4-is: Fix format propagation on FIMC-LITE.n subdevs [media] MAINTAINERS: Update S5P/Exynos FIMC driver entry [media] Documentation: Update driver's directory in video4linux/fimc.txt [media] exynos4-is: Change fimc-is firmware file names [media] exynos4-is: Add support for Exynos5250 MIPI-CSIS [media] exynos4-is: Add Exynos5250 SoC support to fimc-lite driver [media] exynos4-is: Drop drvdata handling in fimc-lite for non-dt platforms [media] media: i2c: tvp514x: remove manual setting of subdev name [media] media: i2c: tvp7002: remove manual setting of subdev name [media] mem2mem: set missing v4l2_dev pointer [media] wl128x: add missing struct v4l2_device [media] tvp514x: Fix init seqeunce [media] saa7134: Fix sparse warnings by adding __user annotation ...
Diffstat (limited to 'drivers/media/platform/davinci/vpif.c')
-rw-r--r--drivers/media/platform/davinci/vpif.c45
1 files changed, 12 insertions, 33 deletions
diff --git a/drivers/media/platform/davinci/vpif.c b/drivers/media/platform/davinci/vpif.c
index ea82a8bd2803..cd08e5248387 100644
--- a/drivers/media/platform/davinci/vpif.c
+++ b/drivers/media/platform/davinci/vpif.c
@@ -17,30 +17,26 @@
* GNU General Public License for more details.
*/
+#include <linux/err.h>
#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <linux/spinlock.h>
-#include <linux/kernel.h>
-#include <linux/io.h>
-#include <linux/err.h>
#include <linux/pm_runtime.h>
+#include <linux/spinlock.h>
#include <linux/v4l2-dv-timings.h>
-#include <mach/hardware.h>
-
#include "vpif.h"
MODULE_DESCRIPTION("TI DaVinci Video Port Interface driver");
MODULE_LICENSE("GPL");
-#define VPIF_CH0_MAX_MODES (22)
-#define VPIF_CH1_MAX_MODES (02)
-#define VPIF_CH2_MAX_MODES (15)
-#define VPIF_CH3_MAX_MODES (02)
+#define VPIF_CH0_MAX_MODES 22
+#define VPIF_CH1_MAX_MODES 2
+#define VPIF_CH2_MAX_MODES 15
+#define VPIF_CH3_MAX_MODES 2
-static resource_size_t res_len;
-static struct resource *res;
spinlock_t vpif_lock;
void __iomem *vpif_base;
@@ -423,23 +419,12 @@ EXPORT_SYMBOL(vpif_channel_getfid);
static int vpif_probe(struct platform_device *pdev)
{
- int status = 0;
+ static struct resource *res;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -ENOENT;
-
- res_len = resource_size(res);
-
- res = request_mem_region(res->start, res_len, res->name);
- if (!res)
- return -EBUSY;
-
- vpif_base = ioremap(res->start, res_len);
- if (!vpif_base) {
- status = -EBUSY;
- goto fail;
- }
+ vpif_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(vpif_base))
+ return PTR_ERR(vpif_base);
pm_runtime_enable(&pdev->dev);
pm_runtime_get(&pdev->dev);
@@ -447,17 +432,11 @@ static int vpif_probe(struct platform_device *pdev)
spin_lock_init(&vpif_lock);
dev_info(&pdev->dev, "vpif probe success\n");
return 0;
-
-fail:
- release_mem_region(res->start, res_len);
- return status;
}
static int vpif_remove(struct platform_device *pdev)
{
pm_runtime_disable(&pdev->dev);
- iounmap(vpif_base);
- release_mem_region(res->start, res_len);
return 0;
}