From 02660defdc8a5c6de9dd203c6f8082861475d5d4 Mon Sep 17 00:00:00 2001
From: Marek Vasut <marek.vasut+renesas@mailbox.org>
Date: Mon, 7 Aug 2023 02:26:12 +0200
Subject: [PATCH] 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 <marek.vasut+renesas@mailbox.org>
---
drivers/scsi/scsi.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 6caeb3fcdd..77c75240d5 100644
--- 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);
--
2.39.5