From 02660defdc8a5c6de9dd203c6f8082861475d5d4 Mon Sep 17 00:00:00 2001 From: Marek Vasut 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 --- 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 #include #include +#include #include #include #include @@ -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