* [PATCH] rsxx: switch from 'pci_free_consistent()' to 'dma_free_coherent()'
@ 2020-07-11 6:43 Christophe JAILLET
2020-07-11 6:46 ` Christophe JAILLET
2020-07-11 9:34 ` Markus Elfring
0 siblings, 2 replies; 4+ messages in thread
From: Christophe JAILLET @ 2020-07-11 6:43 UTC (permalink / raw)
To: xx; +Cc: list, linux-kernel, kernel-janitors, Christophe JAILLET
The wrappers in include/linux/pci-dma-compat.h should go away.
The patch has been generated with the coccinelle script bellow.
It has been compile tested.
This also aligns code with what is in use in '/rsxx/dma.c'
@@
@@
- 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 <christophe.jaillet@wanadoo.fr>
---
If needed, see post from Christoph Hellwig on the kernel-janitors ML:
https://marc.info/?l=kernel-janitors&m\x158745678307186&w=4
For an example of code used in '/rsxx/dma.c', see:
https://elixir.bootlin.com/linux/v5.7.8/source/drivers/block/rsxx/dma.c#L951
---
drivers/block/rsxx/core.c | 30 ++++++++++++++++--------------
1 file changed, 16 insertions(+), 14 deletions(-)
diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c
index 9230f453bb8b..e631749e14ca 100644
--- a/drivers/block/rsxx/core.c
+++ b/drivers/block/rsxx/core.c
@@ -562,13 +562,15 @@ static int rsxx_eeh_frozen(struct pci_dev *dev)
for (i = 0; i < card->n_targets; i++) {
if (card->ctrl[i].status.buf)
- pci_free_consistent(card->dev, STATUS_BUFFER_SIZE8,
- card->ctrl[i].status.buf,
- card->ctrl[i].status.dma_addr);
+ dma_free_coherent(&card->dev->dev,
+ STATUS_BUFFER_SIZE8,
+ card->ctrl[i].status.buf,
+ card->ctrl[i].status.dma_addr);
if (card->ctrl[i].cmd.buf)
- pci_free_consistent(card->dev, COMMAND_BUFFER_SIZE8,
- card->ctrl[i].cmd.buf,
- card->ctrl[i].cmd.dma_addr);
+ dma_free_coherent(&card->dev->dev,
+ COMMAND_BUFFER_SIZE8,
+ card->ctrl[i].cmd.buf,
+ card->ctrl[i].cmd.dma_addr);
}
return 0;
@@ -711,15 +713,15 @@ static pci_ers_result_t rsxx_slot_reset(struct pci_dev *dev)
failed_hw_buffers_init:
for (i = 0; i < card->n_targets; i++) {
if (card->ctrl[i].status.buf)
- pci_free_consistent(card->dev,
- STATUS_BUFFER_SIZE8,
- card->ctrl[i].status.buf,
- card->ctrl[i].status.dma_addr);
+ dma_free_coherent(&card->dev->dev,
+ STATUS_BUFFER_SIZE8,
+ card->ctrl[i].status.buf,
+ card->ctrl[i].status.dma_addr);
if (card->ctrl[i].cmd.buf)
- pci_free_consistent(card->dev,
- COMMAND_BUFFER_SIZE8,
- card->ctrl[i].cmd.buf,
- card->ctrl[i].cmd.dma_addr);
+ dma_free_coherent(&card->dev->dev,
+ COMMAND_BUFFER_SIZE8,
+ card->ctrl[i].cmd.buf,
+ card->ctrl[i].cmd.dma_addr);
}
failed_hw_setup:
rsxx_eeh_failure(dev);
--
2.25.1
^ permalink raw reply related [flat|nested] 4+ messages in thread* [PATCH] rsxx: switch from 'pci_free_consistent()' to 'dma_free_coherent()'
2020-07-11 6:43 [PATCH] rsxx: switch from 'pci_free_consistent()' to 'dma_free_coherent()' Christophe JAILLET
@ 2020-07-11 6:46 ` Christophe JAILLET
2020-07-11 15:27 ` Jens Axboe
2020-07-11 9:34 ` Markus Elfring
1 sibling, 1 reply; 4+ messages in thread
From: Christophe JAILLET @ 2020-07-11 6:46 UTC (permalink / raw)
To: josh.h.morris, pjk1939, axboe, hch
Cc: linux-block, linux-kernel, kernel-janitors, Christophe JAILLET
The wrappers in include/linux/pci-dma-compat.h should go away.
The patch has been generated with the coccinelle script bellow.
It has been compile tested.
This also aligns code with what is in use in '/rsxx/dma.c'
@@
@@
- 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 <christophe.jaillet@wanadoo.fr>
---
If needed, see post from Christoph Hellwig on the kernel-janitors ML:
https://marc.info/?l=kernel-janitors&m\x158745678307186&w=4
For an example of code used in '/rsxx/dma.c', see:
https://elixir.bootlin.com/linux/v5.7.8/source/drivers/block/rsxx/dma.c#L951
---
drivers/block/rsxx/core.c | 30 ++++++++++++++++--------------
1 file changed, 16 insertions(+), 14 deletions(-)
diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c
index 9230f453bb8b..e631749e14ca 100644
--- a/drivers/block/rsxx/core.c
+++ b/drivers/block/rsxx/core.c
@@ -562,13 +562,15 @@ static int rsxx_eeh_frozen(struct pci_dev *dev)
for (i = 0; i < card->n_targets; i++) {
if (card->ctrl[i].status.buf)
- pci_free_consistent(card->dev, STATUS_BUFFER_SIZE8,
- card->ctrl[i].status.buf,
- card->ctrl[i].status.dma_addr);
+ dma_free_coherent(&card->dev->dev,
+ STATUS_BUFFER_SIZE8,
+ card->ctrl[i].status.buf,
+ card->ctrl[i].status.dma_addr);
if (card->ctrl[i].cmd.buf)
- pci_free_consistent(card->dev, COMMAND_BUFFER_SIZE8,
- card->ctrl[i].cmd.buf,
- card->ctrl[i].cmd.dma_addr);
+ dma_free_coherent(&card->dev->dev,
+ COMMAND_BUFFER_SIZE8,
+ card->ctrl[i].cmd.buf,
+ card->ctrl[i].cmd.dma_addr);
}
return 0;
@@ -711,15 +713,15 @@ static pci_ers_result_t rsxx_slot_reset(struct pci_dev *dev)
failed_hw_buffers_init:
for (i = 0; i < card->n_targets; i++) {
if (card->ctrl[i].status.buf)
- pci_free_consistent(card->dev,
- STATUS_BUFFER_SIZE8,
- card->ctrl[i].status.buf,
- card->ctrl[i].status.dma_addr);
+ dma_free_coherent(&card->dev->dev,
+ STATUS_BUFFER_SIZE8,
+ card->ctrl[i].status.buf,
+ card->ctrl[i].status.dma_addr);
if (card->ctrl[i].cmd.buf)
- pci_free_consistent(card->dev,
- COMMAND_BUFFER_SIZE8,
- card->ctrl[i].cmd.buf,
- card->ctrl[i].cmd.dma_addr);
+ dma_free_coherent(&card->dev->dev,
+ COMMAND_BUFFER_SIZE8,
+ card->ctrl[i].cmd.buf,
+ card->ctrl[i].cmd.dma_addr);
}
failed_hw_setup:
rsxx_eeh_failure(dev);
--
2.25.1
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [PATCH] rsxx: switch from 'pci_free_consistent()' to 'dma_free_coherent()'
2020-07-11 6:46 ` Christophe JAILLET
@ 2020-07-11 15:27 ` Jens Axboe
0 siblings, 0 replies; 4+ messages in thread
From: Jens Axboe @ 2020-07-11 15:27 UTC (permalink / raw)
To: Christophe JAILLET, josh.h.morris, pjk1939, hch
Cc: linux-block, linux-kernel, kernel-janitors
On 7/11/20 12:46 AM, Christophe JAILLET wrote:
> The wrappers in include/linux/pci-dma-compat.h should go away.
>
> The patch has been generated with the coccinelle script bellow.
> It has been compile tested.
>
> This also aligns code with what is in use in '/rsxx/dma.c'
Applied, thanks.
--
Jens Axboe
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] rsxx: switch from 'pci_free_consistent()' to 'dma_free_coherent()'
2020-07-11 6:43 [PATCH] rsxx: switch from 'pci_free_consistent()' to 'dma_free_coherent()' Christophe JAILLET
2020-07-11 6:46 ` Christophe JAILLET
@ 2020-07-11 9:34 ` Markus Elfring
1 sibling, 0 replies; 4+ messages in thread
From: Markus Elfring @ 2020-07-11 9:34 UTC (permalink / raw)
To: Christophe Jaillet, linux-block
Cc: kernel-janitors, linux-kernel, Christoph Hellwig, Jens Axboe,
Josh Morris, Philip Kelleher
> The wrappers in include/linux/pci-dma-compat.h should go away.
>
> The patch has been generated with the coccinelle script bellow.
* I suggest to avoid a typo in a word at the sentence end.
* The script for the semantic patch language could be a bit nicer
by the application of a disjunction instead of separate SmPL rules.
Would you become interested in any further adjustments?
Regards,
Markus
^ permalink raw reply [flat|nested] 4+ messages in thread
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2020-07-11 6:43 [PATCH] rsxx: switch from 'pci_free_consistent()' to 'dma_free_coherent()' Christophe JAILLET
2020-07-11 6:46 ` Christophe JAILLET
2020-07-11 15:27 ` Jens Axboe
2020-07-11 9:34 ` Markus Elfring
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