diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2022-02-18 11:51:14 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-02-22 21:11:07 -0500 |
| commit | 70d1b920af62a7d065aa7a0d031dd1af44e8b31b (patch) | |
| tree | 1eae4b401c513e2a1e0c71803426e2fb5a0944ce | |
| parent | 5dfcf1ad933fe877cb44e9fb7a661dfc22190101 (diff) | |
scsi: wd719x: Stop using the SCSI pointer
Move the DMA handle into the per-command private data instead of using the
SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the
SCSI pointer from struct scsi_cmnd.
Link: https://lore.kernel.org/r/20220218195117.25689-47-bvanassche@acm.org
Cc: Ondrej Zary <linux@zary.sk>
Cc: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/wd719x.c | 12 | ||||
| -rw-r--r-- | drivers/scsi/wd719x.h | 1 |
2 files changed, 7 insertions, 6 deletions
diff --git a/drivers/scsi/wd719x.c b/drivers/scsi/wd719x.c index 1a7947554581..f341b79d8036 100644 --- a/drivers/scsi/wd719x.c +++ b/drivers/scsi/wd719x.c @@ -196,7 +196,7 @@ static void wd719x_finish_cmd(struct wd719x_scb *scb, int result) dma_unmap_single(&wd->pdev->dev, scb->phys, sizeof(struct wd719x_scb), DMA_BIDIRECTIONAL); scsi_dma_unmap(cmd); - dma_unmap_single(&wd->pdev->dev, cmd->SCp.dma_handle, + dma_unmap_single(&wd->pdev->dev, scb->dma_handle, SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); cmd->result = result << 16; @@ -229,11 +229,11 @@ static int wd719x_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *cmd) /* map sense buffer */ scb->sense_buf_length = SCSI_SENSE_BUFFERSIZE; - cmd->SCp.dma_handle = dma_map_single(&wd->pdev->dev, cmd->sense_buffer, - SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); - if (dma_mapping_error(&wd->pdev->dev, cmd->SCp.dma_handle)) + scb->dma_handle = dma_map_single(&wd->pdev->dev, cmd->sense_buffer, + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); + if (dma_mapping_error(&wd->pdev->dev, scb->dma_handle)) goto out_unmap_scb; - scb->sense_buf = cpu_to_le32(cmd->SCp.dma_handle); + scb->sense_buf = cpu_to_le32(scb->dma_handle); /* request autosense */ scb->SCB_options |= WD719X_SCB_FLAGS_AUTO_REQUEST_SENSE; @@ -288,7 +288,7 @@ static int wd719x_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *cmd) return 0; out_unmap_sense: - dma_unmap_single(&wd->pdev->dev, cmd->SCp.dma_handle, + dma_unmap_single(&wd->pdev->dev, scb->dma_handle, SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); out_unmap_scb: dma_unmap_single(&wd->pdev->dev, scb->phys, sizeof(*scb), diff --git a/drivers/scsi/wd719x.h b/drivers/scsi/wd719x.h index abaabd419a54..966ab0fb4621 100644 --- a/drivers/scsi/wd719x.h +++ b/drivers/scsi/wd719x.h @@ -56,6 +56,7 @@ struct wd719x_scb { u8 flags[2]; /* 62-63 SCB specific flags (local to each thread) */ /* everything below is for driver use (not used by card) */ dma_addr_t phys; /* bus address of the SCB */ + dma_addr_t dma_handle; struct scsi_cmnd *cmd; /* a copy of the pointer we were passed */ struct list_head list; struct wd719x_sglist sg_list[WD719X_SG] __aligned(8); /* SG list */ |