diff options
| author | Subhash Jadavani <subhashj@codeaurora.org> | 2016-06-24 13:08:34 -0700 |
|---|---|---|
| committer | Kyle Yan <kyan@codeaurora.org> | 2016-06-30 16:49:31 -0700 |
| commit | 1496271f4cddf9245462494094e70e0da954b516 (patch) | |
| tree | fff2a042c3e90d0061340bc5d5045db195b57832 | |
| parent | b11b49207482ad4633e7408bd0d2f061f8f86827 (diff) | |
scsi: ufs-qcom: fix bug with read/modify write of UFS_CFG1
ufs_qcom_print_hw_debug_reg_all() function is having a bug
where it might incorrectly modify undesired bits in UFS_CFG1 register,
this change fixes it.
Change-Id: I2605beeb41f3c319877f48e35723f597f7dfb9da
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
| -rw-r--r-- | drivers/scsi/ufs/ufs-qcom.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index 36fd682edab8..60dc8b21044a 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -2332,7 +2332,8 @@ void ufs_qcom_print_hw_debug_reg_all(struct ufs_hba *hba, void *priv, reg = ufs_qcom_get_debug_reg_offset(host, UFS_UFS_DBG_RD_PRDT_RAM); print_fn(hba, reg, 64, "UFS_UFS_DBG_RD_PRDT_RAM ", priv); - ufshcd_writel(hba, (reg & ~UFS_BIT(17)), REG_UFS_CFG1); + /* clear bit 17 - UTP_DBG_RAMS_EN */ + ufshcd_rmwl(hba, UFS_BIT(17), 0, REG_UFS_CFG1); reg = ufs_qcom_get_debug_reg_offset(host, UFS_DBG_RD_REG_UAWM); print_fn(hba, reg, 4, "UFS_DBG_RD_REG_UAWM ", priv); |