From cc770ce34aeeff21991f162f0db1a758ea672727 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Tue, 25 Aug 2020 19:10:40 -0700 Subject: [PATCH] scsi: ufs: Make ufshcd_print_trs() consider UFSHCD_QUIRK_PRDT_BYTE_GRAN Fix ufshcd_print_trs() to consider UFSHCD_QUIRK_PRDT_BYTE_GRAN when using utp_transfer_req_desc::prd_table_length, so that it doesn't treat the number of bytes as the number of entries. Originally from Kiwoong Kim (https://lkml.kernel.org/r/20200218233115.8185-1-kwmad.kim@samsung.com). Link: https://lore.kernel.org/r/20200826021040.152148-1-ebiggers@kernel.org Fixes: 26f968d7de82 ("scsi: ufs: Introduce UFSHCD_QUIRK_PRDT_BYTE_GRAN quirk") Cc: Alim Akhtar Cc: Kiwoong Kim Signed-off-by: Eric Biggers Signed-off-by: Martin K. Petersen --- drivers/scsi/ufs/ufshcd.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 3d91def07878..0beb35d8d754 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -473,6 +473,9 @@ void ufshcd_print_trs(struct ufs_hba *hba, unsigned long bitmap, bool pr_prdt) prdt_length = le16_to_cpu( lrbp->utr_descriptor_ptr->prd_table_length); + if (hba->quirks & UFSHCD_QUIRK_PRDT_BYTE_GRAN) + prdt_length /= sizeof(struct ufshcd_sg_entry); + dev_err(hba->dev, "UPIU[%d] - PRDT - %d entries phys@0x%llx\n", tag, prdt_length,