diff options
Diffstat (limited to 'drivers/ufs/host/ufs-qcom.h')
-rw-r--r-- | drivers/ufs/host/ufs-qcom.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/ufs/host/ufs-qcom.h b/drivers/ufs/host/ufs-qcom.h index b9de170983..9dd9a391eb 100644 --- a/drivers/ufs/host/ufs-qcom.h +++ b/drivers/ufs/host/ufs-qcom.h @@ -151,10 +151,10 @@ static inline void ufs_qcom_assert_reset(struct ufs_hba *hba) ufshcd_rmwl(hba, UFS_PHY_SOFT_RESET, UFS_PHY_SOFT_RESET, REG_UFS_CFG1); /* - * Dummy read to ensure the write takes effect before doing any sort - * of delay + * Make sure assertion of ufs phy reset is written to + * register before returning */ - ufshcd_readl(hba, REG_UFS_CFG1); + mb(); } static inline void ufs_qcom_deassert_reset(struct ufs_hba *hba) @@ -162,10 +162,10 @@ static inline void ufs_qcom_deassert_reset(struct ufs_hba *hba) ufshcd_rmwl(hba, UFS_PHY_SOFT_RESET, 0, REG_UFS_CFG1); /* - * Dummy read to ensure the write takes effect before doing any sort - * of delay + * Make sure de-assertion of ufs phy reset is written to + * register before returning */ - ufshcd_readl(hba, REG_UFS_CFG1); + mb(); } /* Host controller hardware version: major.minor.step */ |