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authorBart Van Assche <bvanassche@acm.org>2022-02-18 11:51:15 -0800
committerMartin K. Petersen <martin.petersen@oracle.com>2022-02-22 21:11:07 -0500
commitdbb2da557a6a87c88bbb4b1fef037091b57f701b (patch)
treeed44fc6aaccade148bf6277803ce98454508a91d /drivers/scsi/mvme147.c
parentscsi: wd719x: Stop using the SCSI pointer (diff)
downloadlinux-dev-dbb2da557a6a87c88bbb4b1fef037091b57f701b.tar.xz
linux-dev-dbb2da557a6a87c88bbb4b1fef037091b57f701b.zip
scsi: wd33c93: Move the SCSI pointer to private command data
Set .cmd_size in the SCSI host template 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/20220218195117.25689-48-bvanassche@acm.org 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>
Diffstat (limited to 'drivers/scsi/mvme147.c')
-rw-r--r--drivers/scsi/mvme147.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c
index 0893d4c3a916..472fa043094f 100644
--- a/drivers/scsi/mvme147.c
+++ b/drivers/scsi/mvme147.c
@@ -33,10 +33,11 @@ static irqreturn_t mvme147_intr(int irq, void *data)
static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
{
+ struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(cmd);
struct Scsi_Host *instance = cmd->device->host;
struct WD33C93_hostdata *hdata = shost_priv(instance);
unsigned char flags = 0x01;
- unsigned long addr = virt_to_bus(cmd->SCp.ptr);
+ unsigned long addr = virt_to_bus(scsi_pointer->ptr);
/* setup dma direction */
if (!dir_in)
@@ -47,14 +48,14 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
if (dir_in) {
/* invalidate any cache */
- cache_clear(addr, cmd->SCp.this_residual);
+ cache_clear(addr, scsi_pointer->this_residual);
} else {
/* push any dirty cache */
- cache_push(addr, cmd->SCp.this_residual);
+ cache_push(addr, scsi_pointer->this_residual);
}
/* start DMA */
- m147_pcc->dma_bcr = cmd->SCp.this_residual | (1 << 24);
+ m147_pcc->dma_bcr = scsi_pointer->this_residual | (1 << 24);
m147_pcc->dma_dadr = addr;
m147_pcc->dma_cntrl = flags;
@@ -81,6 +82,7 @@ static struct scsi_host_template mvme147_host_template = {
.this_id = 7,
.sg_tablesize = SG_ALL,
.cmd_per_lun = CMD_PER_LUN,
+ .cmd_size = sizeof(struct scsi_pointer),
};
static struct Scsi_Host *mvme147_shost;