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media: pci/ivtv: switch from 'pci_' to 'dma_' API
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The wrappers in include/linux/pci-dma-compat.h should go away.

The patch has been generated with the coccinelle script below.
It has been compile tested.

No memory allocation in involved in this patch, so no GFP_ tweak is needed.

@@ @@
-    PCI_DMA_BIDIRECTIONAL
+    DMA_BIDIRECTIONAL

@@ @@
-    PCI_DMA_TODEVICE
+    DMA_TO_DEVICE

@@ @@
-    PCI_DMA_FROMDEVICE
+    DMA_FROM_DEVICE

@@ @@
-    PCI_DMA_NONE
+    DMA_NONE

@@
expression e1, e2, e3;
@@
-    pci_alloc_consistent(e1, e2, e3)
+    dma_alloc_coherent(&e1->dev, e2, e3, GFP_)

@@
expression e1, e2, e3;
@@
-    pci_zalloc_consistent(e1, e2, e3)
+    dma_alloc_coherent(&e1->dev, e2, e3, GFP_)

@@
expression e1, e2, e3, e4;
@@
-    pci_free_consistent(e1, e2, e3, e4)
+    dma_free_coherent(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_map_single(e1, e2, e3, e4)
+    dma_map_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_single(e1, e2, e3, e4)
+    dma_unmap_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4, e5;
@@
-    pci_map_page(e1, e2, e3, e4, e5)
+    dma_map_page(&e1->dev, e2, e3, e4, e5)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_page(e1, e2, e3, e4)
+    dma_unmap_page(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_map_sg(e1, e2, e3, e4)
+    dma_map_sg(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_sg(e1, e2, e3, e4)
+    dma_unmap_sg(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_single_for_cpu(e1, e2, e3, e4)
+    dma_sync_single_for_cpu(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_single_for_device(e1, e2, e3, e4)
+    dma_sync_single_for_device(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_sg_for_cpu(e1, e2, e3, e4)
+    dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_sg_for_device(e1, e2, e3, e4)
+    dma_sync_sg_for_device(&e1->dev, e2, e3, e4)

@@
expression e1, e2;
@@
-    pci_dma_mapping_error(e1, e2)
+    dma_mapping_error(&e1->dev, e2)

@@
expression e1, e2;
@@
-    pci_set_dma_mask(e1, e2)
+    dma_set_mask(&e1->dev, e2)

@@
expression e1, e2;
@@
-    pci_set_consistent_dma_mask(e1, e2)
+    dma_set_coherent_mask(&e1->dev, e2)

Signed-off-by: Christophe JAILLET <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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tititiou36 authored and mchehab committed Sep 30, 2021
1 parent 5c47dc6 commit 1932dc2
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Showing 5 changed files with 41 additions and 30 deletions.
2 changes: 1 addition & 1 deletion drivers/media/pci/ivtv/ivtv-driver.c
Original file line number Diff line number Diff line change
Expand Up @@ -837,7 +837,7 @@ static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
IVTV_ERR("Can't enable device!\n");
return -EIO;
}
if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
IVTV_ERR("No suitable DMA available.\n");
return -EIO;
}
Expand Down
18 changes: 10 additions & 8 deletions drivers/media/pci/ivtv/ivtv-queue.c
Original file line number Diff line number Diff line change
Expand Up @@ -188,7 +188,7 @@ int ivtv_stream_alloc(struct ivtv_stream *s)
return 0;

IVTV_DEBUG_INFO("Allocate %s%s stream: %d x %d buffers (%dkB total)\n",
s->dma != PCI_DMA_NONE ? "DMA " : "",
s->dma != DMA_NONE ? "DMA " : "",
s->name, s->buffers, s->buf_size, s->buffers * s->buf_size / 1024);

s->sg_pending = kzalloc(SGsize, GFP_KERNEL|__GFP_NOWARN);
Expand Down Expand Up @@ -218,8 +218,9 @@ int ivtv_stream_alloc(struct ivtv_stream *s)
return -ENOMEM;
}
if (ivtv_might_use_dma(s)) {
s->sg_handle = pci_map_single(itv->pdev, s->sg_dma,
sizeof(struct ivtv_sg_element), PCI_DMA_TODEVICE);
s->sg_handle = dma_map_single(&itv->pdev->dev, s->sg_dma,
sizeof(struct ivtv_sg_element),
DMA_TO_DEVICE);
ivtv_stream_sync_for_cpu(s);
}

Expand All @@ -237,7 +238,7 @@ int ivtv_stream_alloc(struct ivtv_stream *s)
}
INIT_LIST_HEAD(&buf->list);
if (ivtv_might_use_dma(s)) {
buf->dma_handle = pci_map_single(s->itv->pdev,
buf->dma_handle = dma_map_single(&s->itv->pdev->dev,
buf->buf, s->buf_size + 256, s->dma);
ivtv_buf_sync_for_cpu(s, buf);
}
Expand All @@ -260,17 +261,18 @@ void ivtv_stream_free(struct ivtv_stream *s)
/* empty q_free */
while ((buf = ivtv_dequeue(s, &s->q_free))) {
if (ivtv_might_use_dma(s))
pci_unmap_single(s->itv->pdev, buf->dma_handle,
s->buf_size + 256, s->dma);
dma_unmap_single(&s->itv->pdev->dev, buf->dma_handle,
s->buf_size + 256, s->dma);
kfree(buf->buf);
kfree(buf);
}

/* Free SG Array/Lists */
if (s->sg_dma != NULL) {
if (s->sg_handle != IVTV_DMA_UNMAPPED) {
pci_unmap_single(s->itv->pdev, s->sg_handle,
sizeof(struct ivtv_sg_element), PCI_DMA_TODEVICE);
dma_unmap_single(&s->itv->pdev->dev, s->sg_handle,
sizeof(struct ivtv_sg_element),
DMA_TO_DEVICE);
s->sg_handle = IVTV_DMA_UNMAPPED;
}
kfree(s->sg_pending);
Expand Down
22 changes: 11 additions & 11 deletions drivers/media/pci/ivtv/ivtv-streams.c
Original file line number Diff line number Diff line change
Expand Up @@ -100,66 +100,66 @@ static struct {
{ /* IVTV_ENC_STREAM_TYPE_MPG */
"encoder MPG",
VFL_TYPE_VIDEO, 0,
PCI_DMA_FROMDEVICE, 0,
DMA_FROM_DEVICE, 0,
V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER |
V4L2_CAP_AUDIO | V4L2_CAP_READWRITE,
&ivtv_v4l2_enc_fops
},
{ /* IVTV_ENC_STREAM_TYPE_YUV */
"encoder YUV",
VFL_TYPE_VIDEO, IVTV_V4L2_ENC_YUV_OFFSET,
PCI_DMA_FROMDEVICE, 0,
DMA_FROM_DEVICE, 0,
V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER |
V4L2_CAP_AUDIO | V4L2_CAP_READWRITE,
&ivtv_v4l2_enc_fops
},
{ /* IVTV_ENC_STREAM_TYPE_VBI */
"encoder VBI",
VFL_TYPE_VBI, 0,
PCI_DMA_FROMDEVICE, 0,
DMA_FROM_DEVICE, 0,
V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE | V4L2_CAP_TUNER |
V4L2_CAP_AUDIO | V4L2_CAP_READWRITE,
&ivtv_v4l2_enc_fops
},
{ /* IVTV_ENC_STREAM_TYPE_PCM */
"encoder PCM",
VFL_TYPE_VIDEO, IVTV_V4L2_ENC_PCM_OFFSET,
PCI_DMA_FROMDEVICE, 0,
DMA_FROM_DEVICE, 0,
V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE,
&ivtv_v4l2_enc_fops
},
{ /* IVTV_ENC_STREAM_TYPE_RAD */
"encoder radio",
VFL_TYPE_RADIO, 0,
PCI_DMA_NONE, 1,
DMA_NONE, 1,
V4L2_CAP_RADIO | V4L2_CAP_TUNER,
&ivtv_v4l2_radio_fops
},
{ /* IVTV_DEC_STREAM_TYPE_MPG */
"decoder MPG",
VFL_TYPE_VIDEO, IVTV_V4L2_DEC_MPG_OFFSET,
PCI_DMA_TODEVICE, 0,
DMA_TO_DEVICE, 0,
V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE,
&ivtv_v4l2_dec_fops
},
{ /* IVTV_DEC_STREAM_TYPE_VBI */
"decoder VBI",
VFL_TYPE_VBI, IVTV_V4L2_DEC_VBI_OFFSET,
PCI_DMA_NONE, 1,
DMA_NONE, 1,
V4L2_CAP_SLICED_VBI_CAPTURE | V4L2_CAP_READWRITE,
&ivtv_v4l2_enc_fops
},
{ /* IVTV_DEC_STREAM_TYPE_VOUT */
"decoder VOUT",
VFL_TYPE_VBI, IVTV_V4L2_DEC_VOUT_OFFSET,
PCI_DMA_NONE, 1,
DMA_NONE, 1,
V4L2_CAP_SLICED_VBI_OUTPUT | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE,
&ivtv_v4l2_dec_fops
},
{ /* IVTV_DEC_STREAM_TYPE_YUV */
"decoder YUV",
VFL_TYPE_VIDEO, IVTV_V4L2_DEC_YUV_OFFSET,
PCI_DMA_TODEVICE, 0,
DMA_TO_DEVICE, 0,
V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE,
&ivtv_v4l2_dec_fops
}
Expand All @@ -179,7 +179,7 @@ static void ivtv_stream_init(struct ivtv *itv, int type)
s->caps = ivtv_stream_info[type].v4l2_caps;

if (ivtv_stream_info[type].pio)
s->dma = PCI_DMA_NONE;
s->dma = DMA_NONE;
else
s->dma = ivtv_stream_info[type].dma;
s->buf_size = itv->stream_buf_size[type];
Expand Down Expand Up @@ -217,7 +217,7 @@ static int ivtv_prep_dev(struct ivtv *itv, int type)

/* User explicitly selected 0 buffers for these streams, so don't
create them. */
if (ivtv_stream_info[type].dma != PCI_DMA_NONE &&
if (ivtv_stream_info[type].dma != DMA_NONE &&
itv->options.kilobytes[type] == 0) {
IVTV_INFO("Disabled %s device\n", ivtv_stream_info[type].name);
return 0;
Expand Down
19 changes: 12 additions & 7 deletions drivers/media/pci/ivtv/ivtv-udma.c
Original file line number Diff line number Diff line change
Expand Up @@ -81,8 +81,10 @@ void ivtv_udma_alloc(struct ivtv *itv)
{
if (itv->udma.SG_handle == 0) {
/* Map DMA Page Array Buffer */
itv->udma.SG_handle = pci_map_single(itv->pdev, itv->udma.SGarray,
sizeof(itv->udma.SGarray), PCI_DMA_TODEVICE);
itv->udma.SG_handle = dma_map_single(&itv->pdev->dev,
itv->udma.SGarray,
sizeof(itv->udma.SGarray),
DMA_TO_DEVICE);
ivtv_udma_sync_for_cpu(itv);
}
}
Expand Down Expand Up @@ -135,7 +137,8 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_dest_addr,
}

/* Map SG List */
dma->SG_length = pci_map_sg(itv->pdev, dma->SGlist, dma->page_count, PCI_DMA_TODEVICE);
dma->SG_length = dma_map_sg(&itv->pdev->dev, dma->SGlist,
dma->page_count, DMA_TO_DEVICE);

/* Fill SG Array with new values */
ivtv_udma_fill_sg_array (dma, ivtv_dest_addr, 0, -1);
Expand All @@ -159,7 +162,8 @@ void ivtv_udma_unmap(struct ivtv *itv)

/* Unmap Scatterlist */
if (dma->SG_length) {
pci_unmap_sg(itv->pdev, dma->SGlist, dma->page_count, PCI_DMA_TODEVICE);
dma_unmap_sg(&itv->pdev->dev, dma->SGlist, dma->page_count,
DMA_TO_DEVICE);
dma->SG_length = 0;
}
/* sync DMA */
Expand All @@ -175,13 +179,14 @@ void ivtv_udma_free(struct ivtv *itv)

/* Unmap SG Array */
if (itv->udma.SG_handle) {
pci_unmap_single(itv->pdev, itv->udma.SG_handle,
sizeof(itv->udma.SGarray), PCI_DMA_TODEVICE);
dma_unmap_single(&itv->pdev->dev, itv->udma.SG_handle,
sizeof(itv->udma.SGarray), DMA_TO_DEVICE);
}

/* Unmap Scatterlist */
if (itv->udma.SG_length) {
pci_unmap_sg(itv->pdev, itv->udma.SGlist, itv->udma.page_count, PCI_DMA_TODEVICE);
dma_unmap_sg(&itv->pdev->dev, itv->udma.SGlist,
itv->udma.page_count, DMA_TO_DEVICE);
}

for (i = 0; i < IVTV_DMA_SG_OSD_ENT; i++) {
Expand Down
10 changes: 7 additions & 3 deletions drivers/media/pci/ivtv/ivtv-yuv.c
Original file line number Diff line number Diff line change
Expand Up @@ -113,7 +113,8 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma,
dma->page_count = 0;
return -ENOMEM;
}
dma->SG_length = pci_map_sg(itv->pdev, dma->SGlist, dma->page_count, PCI_DMA_TODEVICE);
dma->SG_length = dma_map_sg(&itv->pdev->dev, dma->SGlist,
dma->page_count, DMA_TO_DEVICE);

/* Fill SG Array with new values */
ivtv_udma_fill_sg_array(dma, y_buffer_offset, uv_buffer_offset, y_size);
Expand Down Expand Up @@ -920,7 +921,9 @@ static void ivtv_yuv_init(struct ivtv *itv)
/* We need a buffer for blanking when Y plane is offset - non-fatal if we can't get one */
yi->blanking_ptr = kzalloc(720 * 16, GFP_ATOMIC|__GFP_NOWARN);
if (yi->blanking_ptr) {
yi->blanking_dmaptr = pci_map_single(itv->pdev, yi->blanking_ptr, 720*16, PCI_DMA_TODEVICE);
yi->blanking_dmaptr = dma_map_single(&itv->pdev->dev,
yi->blanking_ptr,
720 * 16, DMA_TO_DEVICE);
} else {
yi->blanking_dmaptr = 0;
IVTV_DEBUG_WARN("Failed to allocate yuv blanking buffer\n");
Expand Down Expand Up @@ -1264,7 +1267,8 @@ void ivtv_yuv_close(struct ivtv *itv)
if (yi->blanking_ptr) {
kfree(yi->blanking_ptr);
yi->blanking_ptr = NULL;
pci_unmap_single(itv->pdev, yi->blanking_dmaptr, 720*16, PCI_DMA_TODEVICE);
dma_unmap_single(&itv->pdev->dev, yi->blanking_dmaptr,
720 * 16, DMA_TO_DEVICE);
}

/* Invalidate the old dimension information */
Expand Down

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