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[v1,1/9] scsi: ufs: add support to allow non standard behaviours (quirks)

Message ID 36c4fc866db111df0de7c30839a40727aaa3a98b.1530880006.git.asutoshd@codeaurora.org (mailing list archive)
State Changes Requested
Headers show

Commit Message

Asutosh Das (asd) July 6, 2018, 12:30 p.m. UTC 
From: Subhash Jadavani <subhashj@codeaurora.org>

Some implementation of UFS host controller HW might have some
non-standard behaviours (quirks) when compared to behaviour
specified by UFSHCI specification. This patch adds a quirk
for broken hibernate support.

Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
---
 drivers/scsi/ufs/ufshcd.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index f51758f..e996a08 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -613,6 +613,9 @@  struct ufs_hba {
 	 * enabled via HCE register.
 	 */
 	#define UFSHCI_QUIRK_BROKEN_HCE				0x400
+
+	/* HIBERN8 support is broken */
+	#define UFSHCD_QUIRK_BROKEN_HIBERN8			0x800
 	unsigned int quirks;	/* Deviations from standard UFSHCI spec. */
 
 	/* Device deviations from standard UFS device spec. */