Commit 0f9592ae authored by Mary Guillemard's avatar Mary Guillemard Committed by Martin K. Petersen
Browse files

scsi: ufs: ufs-mediatek: Add UFSHCD_QUIRK_BROKEN_LSDBS_CAP 



MT8183 implements the UFSHCI 2.1 spec but reports a bogus value of 1 in
the reserved part for the Legacy Single Doorbell Support (LSDBS)
capability.

Set UFSHCD_QUIRK_BROKEN_LSDBS_CAP when MCQ support is explicitly
disabled, allowing the device to be properly registered.

Signed-off-by: default avatarMary Guillemard <mary@mary.zone>
Link: https://lore.kernel.org/r/20240818222442.44990-3-mary@mary.zone


Reviewed-by: default avatarPeter Wang <peter.wang@mediatek.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 4f9eedfa

drivers/ufs/host/ufs-mediatek.c

+3 −0
Original line number Diff line number Diff line
@@ -1026,6 +1026,9 @@ static int ufs_mtk_init(struct ufs_hba *hba) 
	if (host->caps & UFS_MTK_CAP_DISABLE_AH8)

		hba->caps |= UFSHCD_CAP_HIBERN8_WITH_CLK_GATING;



	if (host->caps & UFS_MTK_CAP_DISABLE_MCQ)

		hba->quirks |= UFSHCD_QUIRK_BROKEN_LSDBS_CAP;



	ufs_mtk_init_clocks(hba);



	/*