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scsi: Cache align temporary buffer

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The temporary buffer may be passed to DMA capable device,
make sure it is cache aligned.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
This commit is contained in:
Marek Vasut
2023-08-17 16:39:20 -04:00
committed by Tom Rini
parent 4b316f1e67
commit 02660defdc
1 changed files with 3 additions and 2 deletions
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drivers/scsi/scsi.c
+3 -2
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@@ -14,6 +14,7 @@
#include <env.h>
#include <libata.h>
#include <log.h>
#include <memalign.h>
#include <part.h>
#include <pci.h>
#include <scsi.h>
@@ -42,7 +43,7 @@ const struct pci_device_id scsi_device_list[] = { SCSI_DEV_LIST };
#endif
static struct scsi_cmd tempccb; /* temporary scsi command buffer */
static unsigned char tempbuff[512]; /* temporary data buffer */
DEFINE_CACHE_ALIGN_BUFFER(u8, tempbuff, 512); /* temporary data buffer */
#if !defined(CONFIG_DM_SCSI)
static int scsi_max_devs; /* number of highest available scsi device */
@@ -490,7 +491,7 @@ static int scsi_detect_dev(struct udevice *dev, int target, int lun,
pccb->target = target;
pccb->lun = lun;
pccb->pdata = (unsigned char *)&tempbuff;
pccb->pdata = tempbuff;
pccb->datalen = 512;
pccb->dma_dir = DMA_FROM_DEVICE;
scsi_setup_inquiry(pccb);