Please ignore.

This one has already been applied, I'va attached the wrong patch.
Sorry for the noise.

CJ

Le 20/02/2021 à 09:31, Christophe JAILLET a écrit :
The wrappers in include/linux/pci-dma-compat.h should go away.

The patch has been generated with the coccinelle script below and has been
hand modified to replace GFP_ with a correct flag.
It has been compile tested.

When memory is allocated in 'pm8001_init_ccb_tag()' GFP_KERNEL can be used
because this function already uses this flag a few lines above.

While at it, remove "pm80xx: " in a debug message. 'pm8001_dbg()' already
add the driver name in the message.


@@
@@
-    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.jail...@wanadoo.fr>
---
If needed, see post from Christoph Hellwig on the kernel-janitors ML:
    https://marc.info/?l=kernel-janitors&m=158745678307186&w=4
---
  drivers/scsi/pm8001/pm8001_init.c | 9 +++++----
  1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/pm8001/pm8001_init.c 
b/drivers/scsi/pm8001/pm8001_init.c
index d21078ca7fb3..bd626ef876da 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -423,7 +423,7 @@ static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha,
  err_out_nodev:
        for (i = 0; i < pm8001_ha->max_memcnt; i++) {
                if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) {
-                       pci_free_consistent(pm8001_ha->pdev,
+                       dma_free_coherent(&pm8001_ha->pdev->dev,
                                (pm8001_ha->memoryMap.region[i].total_len +
                                pm8001_ha->memoryMap.region[i].alignment),
                                pm8001_ha->memoryMap.region[i].virt_ptr,
@@ -1197,12 +1197,13 @@ pm8001_init_ccb_tag(struct pm8001_hba_info *pm8001_ha, 
struct Scsi_Host *shost,
                goto err_out_noccb;
        }
        for (i = 0; i < ccb_count; i++) {
-               pm8001_ha->ccb_info[i].buf_prd = pci_alloc_consistent(pdev,
+               pm8001_ha->ccb_info[i].buf_prd = dma_alloc_coherent(&pdev->dev,
                                sizeof(struct pm8001_prd) * PM8001_MAX_DMA_SG,
-                               &pm8001_ha->ccb_info[i].ccb_dma_handle);
+                               &pm8001_ha->ccb_info[i].ccb_dma_handle,
+                               GFP_KERNEL);
                if (!pm8001_ha->ccb_info[i].buf_prd) {
                        pm8001_dbg(pm8001_ha, FAIL,
-                                  "pm80xx: ccb prd memory allocation error\n");
+                                  "ccb prd memory allocation error\n");
                        goto err_out;
                }
                pm8001_ha->ccb_info[i].task = NULL;


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