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Subject[PATCH v2 3/3] scsi: ufs-mediatek: Print host information for failed supsend and resume
Date
Print host state and register dumps while suspend or resume flow
is failed.

Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
---
drivers/scsi/ufs/ufs-mediatek.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index d56ce8d97d4e..0bb7ed841809 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -469,23 +469,24 @@ static int ufs_mtk_link_set_hpm(struct ufs_hba *hba)

err = ufshcd_hba_enable(hba);
if (err)
- return err;
+ goto out;

err = ufs_mtk_unipro_set_pm(hba, 0);
if (err)
- return err;
+ goto out;

err = ufshcd_uic_hibern8_exit(hba);
if (!err)
ufshcd_set_link_active(hba);
else
- return err;
+ goto out;

err = ufshcd_make_hba_operational(hba);
+out:
if (err)
- return err;
-
- return 0;
+ ufshcd_print_info(hba, UFS_INFO_HOST_STATE |
+ UFS_INFO_HOST_REGS | UFS_INFO_PWR);
+ return err;
}

static int ufs_mtk_link_set_lpm(struct ufs_hba *hba)
@@ -494,6 +495,9 @@ static int ufs_mtk_link_set_lpm(struct ufs_hba *hba)

err = ufs_mtk_unipro_set_pm(hba, 1);
if (err) {
+ ufshcd_print_info(hba, UFS_INFO_HOST_STATE |
+ UFS_INFO_HOST_REGS | UFS_INFO_PWR);
+
/* Resume UniPro state for following error recovery */
ufs_mtk_unipro_set_pm(hba, 0);
return err;
--
2.18.0
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