diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-21 14:10:36 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-21 14:10:36 -0800 |
| commit | de1617578849acab8e16c9ffdce39b91fb50639d (patch) | |
| tree | 913a330d92a5ce327a48531f58c78b0d72a109a7 /drivers/media/usb/pwc/pwc-if.c | |
| parent | 66f73fb3facd42d0a7c899d7f4c712332b28499a (diff) | |
| parent | 8f202f8e9ff38e29694a4bc0a519b4e03c1726ee (diff) | |
Merge tag 'media/v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- some core fixes in VB2 mem2mem support
- some improvements and cleanups in V4L2 async kAPI
- newer controls in V4L2 API for H-264 and HEVC codecs
- allegro-dvt driver was promoted from staging
- new i2c sendor drivers: imx334, ov5648, ov8865
- new automobile camera module: rdacm21
- ipu3 cio2 driver started gained support for some ACPI BIOSes
- new ATSC frontend: MaxLinear mxl692 VSB tuner/demod
- the SMIA/CCS driver gained more support for CSS standard
- several driver fixes, updates and improvements
* tag 'media/v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (362 commits)
media: v4l: async: Fix kerneldoc documentation for async functions
media: i2c: max9271: Add MODULE_* macros
media: i2c: Kconfig: Make MAX9271 a module
media: imx334: 'ret' is uninitialized, should have been PTR_ERR()
media: i2c: Add imx334 camera sensor driver
media: dt-bindings: media: Add bindings for imx334
media: ov8856: Configure sensor for GRBG Bayer for all modes
media: i2c: imx219: Implement V4L2_CID_LINK_FREQ control
media: ov5675: fix vflip/hflip control
media: ipu3-cio2: Build bridge only if ACPI is enabled
media: Remove the legacy v4l2-clk API
media: ov6650: Use the generic clock framework
media: mt9m111: Use the generic clock framework
media: ov9640: Use the generic clock framework
media: pxa_camera: Drop the v4l2-clk clock register
media: mach-pxa: Register the camera sensor fixed-rate clock
media: i2c: imx258: get clock from device properties and enable it via runtime PM
media: i2c: imx258: simplify getting state container
media: i2c: imx258: add support for binding via device tree
media: dt-bindings: media: imx258: add bindings for IMX258 sensor
...
Diffstat (limited to 'drivers/media/usb/pwc/pwc-if.c')
| -rw-r--r-- | drivers/media/usb/pwc/pwc-if.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c index 61869636ec61..5e3339cc31c0 100644 --- a/drivers/media/usb/pwc/pwc-if.c +++ b/drivers/media/usb/pwc/pwc-if.c @@ -155,16 +155,17 @@ static const struct video_device pwc_template = { /***************************************************************************/ /* Private functions */ -static void *pwc_alloc_urb_buffer(struct device *dev, +static void *pwc_alloc_urb_buffer(struct usb_device *dev, size_t size, dma_addr_t *dma_handle) { + struct device *dmadev = dev->bus->sysdev; void *buffer = kmalloc(size, GFP_KERNEL); if (!buffer) return NULL; - *dma_handle = dma_map_single(dev, buffer, size, DMA_FROM_DEVICE); - if (dma_mapping_error(dev, *dma_handle)) { + *dma_handle = dma_map_single(dmadev, buffer, size, DMA_FROM_DEVICE); + if (dma_mapping_error(dmadev, *dma_handle)) { kfree(buffer); return NULL; } @@ -172,12 +173,14 @@ static void *pwc_alloc_urb_buffer(struct device *dev, return buffer; } -static void pwc_free_urb_buffer(struct device *dev, +static void pwc_free_urb_buffer(struct usb_device *dev, size_t size, void *buffer, dma_addr_t dma_handle) { - dma_unmap_single(dev, dma_handle, size, DMA_FROM_DEVICE); + struct device *dmadev = dev->bus->sysdev; + + dma_unmap_single(dmadev, dma_handle, size, DMA_FROM_DEVICE); kfree(buffer); } @@ -282,6 +285,7 @@ static void pwc_frame_complete(struct pwc_device *pdev) static void pwc_isoc_handler(struct urb *urb) { struct pwc_device *pdev = (struct pwc_device *)urb->context; + struct device *dmadev = urb->dev->bus->sysdev; int i, fst, flen; unsigned char *iso_buf = NULL; @@ -328,7 +332,7 @@ static void pwc_isoc_handler(struct urb *urb) /* Reset ISOC error counter. We did get here, after all. */ pdev->visoc_errors = 0; - dma_sync_single_for_cpu(&urb->dev->dev, + dma_sync_single_for_cpu(dmadev, urb->transfer_dma, urb->transfer_buffer_length, DMA_FROM_DEVICE); @@ -379,7 +383,7 @@ static void pwc_isoc_handler(struct urb *urb) pdev->vlast_packet_size = flen; } - dma_sync_single_for_device(&urb->dev->dev, + dma_sync_single_for_device(dmadev, urb->transfer_dma, urb->transfer_buffer_length, DMA_FROM_DEVICE); @@ -461,7 +465,7 @@ retry: urb->pipe = usb_rcvisocpipe(udev, pdev->vendpoint); urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; urb->transfer_buffer_length = ISO_BUFFER_SIZE; - urb->transfer_buffer = pwc_alloc_urb_buffer(&udev->dev, + urb->transfer_buffer = pwc_alloc_urb_buffer(udev, urb->transfer_buffer_length, &urb->transfer_dma); if (urb->transfer_buffer == NULL) { @@ -524,7 +528,7 @@ static void pwc_iso_free(struct pwc_device *pdev) if (urb) { PWC_DEBUG_MEMORY("Freeing URB\n"); if (urb->transfer_buffer) - pwc_free_urb_buffer(&urb->dev->dev, + pwc_free_urb_buffer(urb->dev, urb->transfer_buffer_length, urb->transfer_buffer, urb->transfer_dma); |