diff options
Diffstat (limited to 'drivers/ufs/host/ufs-mediatek.c')
| -rw-r--r-- | drivers/ufs/host/ufs-mediatek.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index b8f2a74d2a51..b15351c2235b 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -183,6 +183,14 @@ static int ufs_mtk_hce_enable_notify(struct ufs_hba *hba, hba->capabilities &= ~MASK_AUTO_HIBERN8_SUPPORT; hba->ahit = 0; } + + /* + * Turn on CLK_CG early to bypass abnormal ERR_CHK signal + * to prevent host hang issue + */ + ufshcd_writel(hba, + ufshcd_readl(hba, REG_UFS_XOUFS_CTRL) | 0x80, + REG_UFS_XOUFS_CTRL); } return 0; |