media: drop CONFIG_MEDIA_CONTROLLER_REQUEST_API

This config option was added during the development of the Request API
to make it easy to disable it.

The Request API is now stable so it is time to drop this option altogether.

Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/common/videobuf2/videobuf2-v4l2.c

···
 		*caps |= V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF;
 	if (q->allow_cache_hints && q->io_modes & VB2_MMAP)
 		*caps |= V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS;
-#ifdef CONFIG_MEDIA_CONTROLLER_REQUEST_API
 	if (q->supports_requests)
 		*caps |= V4L2_BUF_CAP_SUPPORTS_REQUESTS;
-#endif
 }
 
 static void validate_memory_flags(struct vb2_queue *q,

drivers/media/mc/Kconfig

···
 	  Enable the media controller API support for DVB.
 
 	  This is currently experimental.
-
-config MEDIA_CONTROLLER_REQUEST_API
-	bool
-	depends on MEDIA_CONTROLLER
-	help
-	  This option enables the Request API for the Media controller and V4L2
-	  interfaces. It is currently needed by a few stateless codec drivers.

drivers/media/mc/mc-device.c

···
 
 static long media_device_request_alloc(struct media_device *mdev, void *arg)
 {
-#ifdef CONFIG_MEDIA_CONTROLLER_REQUEST_API
 	int *alloc_fd = arg;
 
 	if (!mdev->ops || !mdev->ops->req_validate || !mdev->ops->req_queue)
 		return -ENOTTY;
 
 	return media_request_alloc(mdev, alloc_fd);
-#else
-	return -ENOTTY;
-#endif
 }
 
 static long copy_arg_from_user(void *karg, void __user *uarg, unsigned int cmd)

drivers/media/platform/mediatek/vcodec/Kconfig

···
 	select V4L2_H264
 	select V4L2_VP9
 	select MEDIA_CONTROLLER
-	select MEDIA_CONTROLLER_REQUEST_API
 	help
 	  Mediatek video codec driver provides HW capability to
 	  encode and decode in a range of video formats on MT8173

drivers/media/platform/nvidia/tegra-vde/Kconfig

···
 	select DMA_SHARED_BUFFER
 	select IOMMU_IOVA
 	select MEDIA_CONTROLLER
-	select MEDIA_CONTROLLER_REQUEST_API
 	select SRAM
 	select VIDEOBUF2_DMA_CONTIG
 	select VIDEOBUF2_DMA_SG

drivers/media/platform/verisilicon/Kconfig

···
 	depends on V4L_MEM2MEM_DRIVERS
 	depends on VIDEO_DEV
 	select MEDIA_CONTROLLER
-	select MEDIA_CONTROLLER_REQUEST_API
 	select VIDEOBUF2_DMA_CONTIG
 	select VIDEOBUF2_VMALLOC
 	select V4L2_MEM2MEM_DEV

drivers/media/test-drivers/Kconfig

···
 	select VIDEOBUF2_VMALLOC
 	select V4L2_MEM2MEM_DEV
 	select MEDIA_CONTROLLER
-	select MEDIA_CONTROLLER_REQUEST_API
 	help
 	  This is a virtual test device for the memory-to-memory driver
 	  framework.

drivers/media/test-drivers/vicodec/Kconfig

···
 	select VIDEOBUF2_VMALLOC
 	select V4L2_MEM2MEM_DEV
 	select MEDIA_CONTROLLER
-	select MEDIA_CONTROLLER_REQUEST_API
 	help
 	  Driver for a Virtual Codec
 

drivers/media/test-drivers/visl/Kconfig

···
 	select VIDEOBUF2_VMALLOC
 	select V4L2_MEM2MEM_DEV
 	select MEDIA_CONTROLLER
-	select MEDIA_CONTROLLER_REQUEST_API
 	select VIDEO_V4L2_TPG
 	help
 

drivers/media/test-drivers/vivid/Kconfig

···
 	select VIDEOBUF2_DMA_CONTIG
 	select VIDEO_V4L2_TPG
 	select MEDIA_CONTROLLER
-	select MEDIA_CONTROLLER_REQUEST_API
 	help
 	  Enables a virtual video driver. This driver emulates a webcam,
 	  TV, S-Video and HDMI capture hardware, including VBI support for

drivers/staging/media/rkvdec/Kconfig

···
 	depends on ARCH_ROCKCHIP || COMPILE_TEST
 	depends on VIDEO_DEV
 	select MEDIA_CONTROLLER
-	select MEDIA_CONTROLLER_REQUEST_API
 	select VIDEOBUF2_DMA_CONTIG
 	select VIDEOBUF2_VMALLOC
 	select V4L2_MEM2MEM_DEV

drivers/staging/media/sunxi/cedrus/Kconfig

···
 	depends on HAS_DMA
 	depends on OF
 	select MEDIA_CONTROLLER
-	select MEDIA_CONTROLLER_REQUEST_API
 	select SUNXI_SRAM
 	select VIDEOBUF2_DMA_CONTIG
 	select V4L2_MEM2MEM_DEV