diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2023-01-12 15:42:13 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-01-23 21:35:54 -0500 |
| commit | 86bd0c4a2a5dc4265884648cb92c681646509692 (patch) | |
| tree | 38b3b0cff95831d3809a1642e22b37bdff3f0e11 /include/ufs | |
| parent | 5a5ef64f28edda2d62109e9dfc87a9212f06bf5b (diff) | |
| download | linux-86bd0c4a2a5dc4265884648cb92c681646509692.tar.gz | |
scsi: ufs: exynos: Fix DMA alignment for PAGE_SIZE != 4096
The Exynos UFS controller only supports scatter/gather list elements that
are aligned on a 4 KiB boundary. Fix DMA alignment in case PAGE_SIZE !=
4096. Rename UFSHCD_QUIRK_ALIGN_SG_WITH_PAGE_SIZE into
UFSHCD_QUIRK_4KB_DMA_ALIGNMENT.
Cc: Kiwoong Kim <kwmad.kim@samsung.com>
Fixes: 2b2bfc8aa519 ("scsi: ufs: Introduce a quirk to allow only page-aligned sg entries")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/ufs')
| -rw-r--r-- | include/ufs/ufshcd.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index 1779238d8a565..57a5af27522a2 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -583,9 +583,9 @@ enum ufshcd_quirks { UFSHCD_QUIRK_SKIP_DEF_UNIPRO_TIMEOUT_SETTING = 1 << 13, /* - * This quirk allows only sg entries aligned with page size. + * Align DMA SG entries on a 4 KiB boundary. */ - UFSHCD_QUIRK_ALIGN_SG_WITH_PAGE_SIZE = 1 << 14, + UFSHCD_QUIRK_4KB_DMA_ALIGNMENT = 1 << 14, /* * This quirk needs to be enabled if the host controller does not |