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-rw-r--r--drivers/media/usb/stk1160/stk1160-v4l.c4
-rw-r--r--drivers/media/usb/stk1160/stk1160-video.c43
-rw-r--r--drivers/media/usb/stk1160/stk1160.h7
-rw-r--r--drivers/media/usb/uvc/uvc_video.c61
4 files changed, 25 insertions, 90 deletions
diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c
index 5ba3d9c4b3fb..715ce1dcb304 100644
--- a/drivers/media/usb/stk1160/stk1160-v4l.c
+++ b/drivers/media/usb/stk1160/stk1160-v4l.c
@@ -232,10 +232,6 @@ static int stk1160_start_streaming(struct stk1160 *dev)
/* submit urbs and enables IRQ */
for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
- struct stk1160_urb *stk_urb = &dev->isoc_ctl.urb_ctl[i];
-
- dma_sync_sgtable_for_device(stk1160_get_dmadev(dev), stk_urb->sgt,
- DMA_FROM_DEVICE);
rc = usb_submit_urb(dev->isoc_ctl.urb_ctl[i].urb, GFP_KERNEL);
if (rc) {
stk1160_err("cannot submit urb[%d] (%d)\n", i, rc);
diff --git a/drivers/media/usb/stk1160/stk1160-video.c b/drivers/media/usb/stk1160/stk1160-video.c
index 9cbd957ecc90..416cb74377eb 100644
--- a/drivers/media/usb/stk1160/stk1160-video.c
+++ b/drivers/media/usb/stk1160/stk1160-video.c
@@ -298,9 +298,7 @@ static void stk1160_process_isoc(struct stk1160 *dev, struct urb *urb)
static void stk1160_isoc_irq(struct urb *urb)
{
int i, rc;
- struct stk1160_urb *stk_urb = urb->context;
- struct stk1160 *dev = stk_urb->dev;
- struct device *dma_dev = stk1160_get_dmadev(dev);
+ struct stk1160 *dev = urb->context;
switch (urb->status) {
case 0:
@@ -315,10 +313,6 @@ static void stk1160_isoc_irq(struct urb *urb)
return;
}
- invalidate_kernel_vmap_range(stk_urb->transfer_buffer,
- urb->transfer_buffer_length);
- dma_sync_sgtable_for_cpu(dma_dev, stk_urb->sgt, DMA_FROM_DEVICE);
-
stk1160_process_isoc(dev, urb);
/* Reset urb buffers */
@@ -327,7 +321,6 @@ static void stk1160_isoc_irq(struct urb *urb)
urb->iso_frame_desc[i].actual_length = 0;
}
- dma_sync_sgtable_for_device(dma_dev, stk_urb->sgt, DMA_FROM_DEVICE);
rc = usb_submit_urb(urb, GFP_ATOMIC);
if (rc)
stk1160_err("urb re-submit failed (%d)\n", rc);
@@ -365,11 +358,9 @@ void stk1160_cancel_isoc(struct stk1160 *dev)
static void stk_free_urb(struct stk1160 *dev, struct stk1160_urb *stk_urb)
{
- struct device *dma_dev = stk1160_get_dmadev(dev);
-
- dma_vunmap_noncontiguous(dma_dev, stk_urb->transfer_buffer);
- dma_free_noncontiguous(dma_dev, stk_urb->urb->transfer_buffer_length,
- stk_urb->sgt, DMA_FROM_DEVICE);
+ usb_free_noncoherent(dev->udev, stk_urb->urb->transfer_buffer_length,
+ stk_urb->transfer_buffer, DMA_FROM_DEVICE,
+ stk_urb->sgt);
usb_free_urb(stk_urb->urb);
stk_urb->transfer_buffer = NULL;
@@ -410,32 +401,19 @@ void stk1160_uninit_isoc(struct stk1160 *dev)
static int stk1160_fill_urb(struct stk1160 *dev, struct stk1160_urb *stk_urb,
int sb_size, int max_packets)
{
- struct device *dma_dev = stk1160_get_dmadev(dev);
-
stk_urb->urb = usb_alloc_urb(max_packets, GFP_KERNEL);
if (!stk_urb->urb)
return -ENOMEM;
- stk_urb->sgt = dma_alloc_noncontiguous(dma_dev, sb_size,
- DMA_FROM_DEVICE, GFP_KERNEL, 0);
-
- /*
- * If the buffer allocation failed, we exit but return 0 since
- * we allow the driver working with less buffers
- */
- if (!stk_urb->sgt)
- goto free_urb;
- stk_urb->transfer_buffer = dma_vmap_noncontiguous(dma_dev, sb_size,
- stk_urb->sgt);
+ stk_urb->transfer_buffer = usb_alloc_noncoherent(dev->udev, sb_size,
+ GFP_KERNEL, &stk_urb->dma,
+ DMA_FROM_DEVICE, &stk_urb->sgt);
if (!stk_urb->transfer_buffer)
- goto free_sgt;
+ goto free_urb;
- stk_urb->dma = stk_urb->sgt->sgl->dma_address;
stk_urb->dev = dev;
return 0;
-free_sgt:
- dma_free_noncontiguous(dma_dev, sb_size, stk_urb->sgt, DMA_FROM_DEVICE);
- stk_urb->sgt = NULL;
+
free_urb:
usb_free_urb(stk_urb->urb);
stk_urb->urb = NULL;
@@ -494,12 +472,13 @@ int stk1160_alloc_isoc(struct stk1160 *dev)
urb->transfer_buffer = dev->isoc_ctl.urb_ctl[i].transfer_buffer;
urb->transfer_buffer_length = sb_size;
urb->complete = stk1160_isoc_irq;
- urb->context = &dev->isoc_ctl.urb_ctl[i];
+ urb->context = dev;
urb->interval = 1;
urb->start_frame = 0;
urb->number_of_packets = max_packets;
urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
urb->transfer_dma = dev->isoc_ctl.urb_ctl[i].dma;
+ urb->sgt = dev->isoc_ctl.urb_ctl[i].sgt;
k = 0;
for (j = 0; j < max_packets; j++) {
diff --git a/drivers/media/usb/stk1160/stk1160.h b/drivers/media/usb/stk1160/stk1160.h
index 7b498d14ed7a..4cbcb0a03bab 100644
--- a/drivers/media/usb/stk1160/stk1160.h
+++ b/drivers/media/usb/stk1160/stk1160.h
@@ -16,8 +16,6 @@
#include <media/videobuf2-v4l2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
-#include <linux/usb.h>
-#include <linux/usb/hcd.h>
#define STK1160_VERSION "0.9.5"
#define STK1160_VERSION_NUM 0x000905
@@ -195,8 +193,3 @@ void stk1160_select_input(struct stk1160 *dev);
/* Provided by stk1160-ac97.c */
void stk1160_ac97_setup(struct stk1160 *dev);
-
-static inline struct device *stk1160_get_dmadev(struct stk1160 *dev)
-{
- return bus_to_hcd(dev->udev->bus)->self.sysdev;
-}
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index e3567aeb0007..a75af314e46b 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -1275,20 +1275,6 @@ static inline enum dma_data_direction uvc_stream_dir(
return DMA_TO_DEVICE;
}
-static inline struct device *uvc_stream_to_dmadev(struct uvc_streaming *stream)
-{
- return bus_to_hcd(stream->dev->udev->bus)->self.sysdev;
-}
-
-static int uvc_submit_urb(struct uvc_urb *uvc_urb, gfp_t mem_flags)
-{
- /* Sync DMA. */
- dma_sync_sgtable_for_device(uvc_stream_to_dmadev(uvc_urb->stream),
- uvc_urb->sgt,
- uvc_stream_dir(uvc_urb->stream));
- return usb_submit_urb(uvc_urb->urb, mem_flags);
-}
-
/*
* uvc_video_decode_data_work: Asynchronous memcpy processing
*
@@ -1310,7 +1296,7 @@ static void uvc_video_copy_data_work(struct work_struct *work)
uvc_queue_buffer_release(op->buf);
}
- ret = uvc_submit_urb(uvc_urb, GFP_KERNEL);
+ ret = usb_submit_urb(uvc_urb->urb, GFP_KERNEL);
if (ret < 0)
dev_err(&uvc_urb->stream->intf->dev,
"Failed to resubmit video URB (%d).\n", ret);
@@ -1736,12 +1722,6 @@ static void uvc_video_complete(struct urb *urb)
/* Re-initialise the URB async work. */
uvc_urb->async_operations = 0;
- /* Sync DMA and invalidate vmap range. */
- dma_sync_sgtable_for_cpu(uvc_stream_to_dmadev(uvc_urb->stream),
- uvc_urb->sgt, uvc_stream_dir(stream));
- invalidate_kernel_vmap_range(uvc_urb->buffer,
- uvc_urb->stream->urb_size);
-
/*
* Process the URB headers, and optionally queue expensive memcpy tasks
* to be deferred to a work queue.
@@ -1750,7 +1730,7 @@ static void uvc_video_complete(struct urb *urb)
/* If no async work is needed, resubmit the URB immediately. */
if (!uvc_urb->async_operations) {
- ret = uvc_submit_urb(uvc_urb, GFP_ATOMIC);
+ ret = usb_submit_urb(uvc_urb->urb, GFP_ATOMIC);
if (ret < 0)
dev_err(&stream->intf->dev,
"Failed to resubmit video URB (%d).\n", ret);
@@ -1765,17 +1745,15 @@ static void uvc_video_complete(struct urb *urb)
*/
static void uvc_free_urb_buffers(struct uvc_streaming *stream)
{
- struct device *dma_dev = uvc_stream_to_dmadev(stream);
+ struct usb_device *udev = stream->dev->udev;
struct uvc_urb *uvc_urb;
for_each_uvc_urb(uvc_urb, stream) {
if (!uvc_urb->buffer)
continue;
- dma_vunmap_noncontiguous(dma_dev, uvc_urb->buffer);
- dma_free_noncontiguous(dma_dev, stream->urb_size, uvc_urb->sgt,
- uvc_stream_dir(stream));
-
+ usb_free_noncoherent(udev, stream->urb_size, uvc_urb->buffer,
+ uvc_stream_dir(stream), uvc_urb->sgt);
uvc_urb->buffer = NULL;
uvc_urb->sgt = NULL;
}
@@ -1786,26 +1764,13 @@ static void uvc_free_urb_buffers(struct uvc_streaming *stream)
static bool uvc_alloc_urb_buffer(struct uvc_streaming *stream,
struct uvc_urb *uvc_urb, gfp_t gfp_flags)
{
- struct device *dma_dev = uvc_stream_to_dmadev(stream);
-
- uvc_urb->sgt = dma_alloc_noncontiguous(dma_dev, stream->urb_size,
- uvc_stream_dir(stream),
- gfp_flags, 0);
- if (!uvc_urb->sgt)
- return false;
- uvc_urb->dma = uvc_urb->sgt->sgl->dma_address;
-
- uvc_urb->buffer = dma_vmap_noncontiguous(dma_dev, stream->urb_size,
- uvc_urb->sgt);
- if (!uvc_urb->buffer) {
- dma_free_noncontiguous(dma_dev, stream->urb_size,
- uvc_urb->sgt,
- uvc_stream_dir(stream));
- uvc_urb->sgt = NULL;
- return false;
- }
+ struct usb_device *udev = stream->dev->udev;
- return true;
+ uvc_urb->buffer = usb_alloc_noncoherent(udev, stream->urb_size,
+ gfp_flags, &uvc_urb->dma,
+ uvc_stream_dir(stream),
+ &uvc_urb->sgt);
+ return !!uvc_urb->buffer;
}
/*
@@ -1953,6 +1918,7 @@ static int uvc_init_video_isoc(struct uvc_streaming *stream,
urb->complete = uvc_video_complete;
urb->number_of_packets = npackets;
urb->transfer_buffer_length = size;
+ urb->sgt = uvc_urb->sgt;
for (i = 0; i < npackets; ++i) {
urb->iso_frame_desc[i].offset = i * psize;
@@ -2009,6 +1975,7 @@ static int uvc_init_video_bulk(struct uvc_streaming *stream,
size, uvc_video_complete, uvc_urb);
urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
urb->transfer_dma = uvc_urb->dma;
+ urb->sgt = uvc_urb->sgt;
uvc_urb->urb = urb;
}
@@ -2120,7 +2087,7 @@ static int uvc_video_start_transfer(struct uvc_streaming *stream,
/* Submit the URBs. */
for_each_uvc_urb(uvc_urb, stream) {
- ret = uvc_submit_urb(uvc_urb, gfp_flags);
+ ret = usb_submit_urb(uvc_urb->urb, gfp_flags);
if (ret < 0) {
dev_err(&stream->intf->dev,
"Failed to submit URB %u (%d).\n",
generated by cgit (git 2.34.1) at 2025-07-30 09:15:54 +0000