scsi: ufs: Introduce UFSHCD_QUIRK_PRDT_BYTE_GRAN quirk
authorAlim Akhtar <alim.akhtar@samsung.com>
Thu, 28 May 2020 01:16:52 +0000 (06:46 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 26 Aug 2020 09:42:20 +0000 (11:42 +0200)
commit239e626e10b082e15fbc96d2a242db2fef9019c6
tree0d0d8faf7953aa665abb6a3cd4f5da64fdbb37a7
parent0da2f17b85f266ff66a0132b1ee35b2d52312d04
scsi: ufs: Introduce UFSHCD_QUIRK_PRDT_BYTE_GRAN quirk

[ Upstream commit 26f968d7de823ba4974a8f25c8bd8ee2df6ab74b ]

Some UFS host controllers like Exynos uses granularities of PRDT length and
offset as bytes, whereas others use actual segment count.

Link: https://lore.kernel.org/r/20200528011658.71590-5-alim.akhtar@samsung.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Kiwoong Kim <kwmad.kim@samsung.com>
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/scsi/ufs/ufshcd.c
drivers/scsi/ufs/ufshcd.h