diff options
| author | Eric Biggers <ebiggers@google.com> | 2020-08-25 19:10:40 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-09-01 22:09:51 -0400 |
| commit | cc770ce34aeeff21991f162f0db1a758ea672727 (patch) | |
| tree | 2e45447f8f346645b2a8bb21c9fbdb37e6830850 /drivers/scsi/ufs/ufshcd.c | |
| parent | cfd3d2225aa5d72e2ea848a0bb05d11b46a88d49 (diff) | |
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 <alim.akhtar@samsung.com>
Cc: Kiwoong Kim <kwmad.kim@samsung.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.c')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 3 |
1 files changed, 3 insertions, 0 deletions
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, |