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ANDROID: ufs: add quirk to fix abnormal ocs fatal error

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Some architectures determines if fatal error for OCS
occurrs to check status in response upiu. This patch
is to prevent from reporting command results with that.

Bug: 149781764
Change-Id: I1b62e620c71e1f3a80922ebbc417fe037a8c12d5
Signed-off-by: Kiwoong Kim <kwmad.kim@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Kiwoong Kim
2020-02-08 16:14:48 +09:00
committed by Greg Kroah-Hartman
parent 8ec7bddd87
commit 3c18a42802
2 changed files with 12 additions and 0 deletions
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6
drivers/scsi/ufs/ufshcd.c
View File

@@ -4805,6 +4805,12 @@ ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
/* overall command status of utrd */
ocs = ufshcd_get_tr_ocs(lrbp);
if (hba->quirks & UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR) {
if (be32_to_cpu(lrbp->ucd_rsp_ptr->header.dword_1) &
MASK_RSP_UPIU_RESULT)
ocs = OCS_SUCCESS;
}
switch (ocs) {
case OCS_SUCCESS:
result = ufshcd_get_req_rsp(lrbp->ucd_rsp_ptr);

6
drivers/scsi/ufs/ufshcd.h
View File

@@ -681,6 +681,12 @@ struct ufs_hba {
*/
#define UFSHCD_QUIRK_BROKEN_CRYPTO 0x800
/*
* This quirk needs to be enabled if the host controller reports
* OCS FATAL ERROR with device error through sense data
*/
#define UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR 0x1000
unsigned int quirks; /* Deviations from standard UFSHCI spec. */
/* Device deviations from standard UFS device spec. */