[PATCH v4 3/5] scsi: ufs: ufs-mediatek: Dump more registers

Stanley Chu
2022-08-02T13:55:24Z

From: Peter Wang <peter.wang@mediatek.com>

Dump more proprietary UFSHCI status registers for
easier issue breakdown.

Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
---
drivers/ufs/host/ufs-mediatek.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c
index 62bc3b791b38..2b85d2406714 100644
--- a/drivers/ufs/host/ufs-mediatek.c
+++ b/drivers/ufs/host/ufs-mediatek.c
@@ -1284,13 +1284,16 @@ static int ufs_mtk_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)

static void ufs_mtk_dbg_register_dump(struct ufs_hba *hba)
{
- ufshcd_dump_regs(hba, REG_UFS_REFCLK_CTRL, 0x4, "Ref-Clk Ctrl ");
+ /* Dump ufshci register 0x140 ~ 0x14C */
+ ufshcd_dump_regs(hba, REG_UFS_XOUFS_CTRL, 0x10,
+ "XOUFS Ctrl (0x140): ");

ufshcd_dump_regs(hba, REG_UFS_EXTREG, 0x4, "Ext Reg ");

+ /* Dump ufshci register 0x2200 ~ 0x22AC */
ufshcd_dump_regs(hba, REG_UFS_MPHYCTRL,
REG_UFS_REJECT_MON - REG_UFS_MPHYCTRL + 4,
- "MPHY Ctrl ");
+ "MPHY Ctrl (0x2200): ");

/* Direct debugging information to REG_MTK_PROBE */
ufs_mtk_dbg_sel(hba);
--
2.18.0