scsi: Cache align temporary buffer

The temporary buffer may be passed to DMA capable device, make sure it is cache aligned. Signed-off-by: Marek Vasut <[email protected]>
matwey · Aug 17, 2023 · 02660de · 02660de
1 parent 4b316f1
commit 02660de
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
@@ -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);