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-rw-r--r--drivers/ufs/core/ufshcd.c3
-rw-r--r--drivers/ufs/host/ufs-mediatek.c14
-rw-r--r--include/ufs/ufshcd.h1
3 files changed, 14 insertions, 4 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 96ad57c3144b..c5e427520b1b 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -6446,13 +6446,14 @@ void ufshcd_schedule_eh_work(struct ufs_hba *hba)
}
}
-static void ufshcd_force_error_recovery(struct ufs_hba *hba)
+void ufshcd_force_error_recovery(struct ufs_hba *hba)
{
spin_lock_irq(hba->host->host_lock);
hba->force_reset = true;
ufshcd_schedule_eh_work(hba);
spin_unlock_irq(hba->host->host_lock);
}
+EXPORT_SYMBOL_GPL(ufshcd_force_error_recovery);
static void ufshcd_clk_scaling_allow(struct ufs_hba *hba, bool allow)
{
diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c
index 61c8fe135100..e62f02b7ca76 100644
--- a/drivers/ufs/host/ufs-mediatek.c
+++ b/drivers/ufs/host/ufs-mediatek.c
@@ -1686,7 +1686,7 @@ static void ufs_mtk_dev_vreg_set_lpm(struct ufs_hba *hba, bool lpm)
}
}
-static void ufs_mtk_auto_hibern8_disable(struct ufs_hba *hba)
+static int ufs_mtk_auto_hibern8_disable(struct ufs_hba *hba)
{
int ret;
@@ -1697,8 +1697,16 @@ static void ufs_mtk_auto_hibern8_disable(struct ufs_hba *hba)
ufs_mtk_wait_idle_state(hba, 5);
ret = ufs_mtk_wait_link_state(hba, VS_LINK_UP, 100);
- if (ret)
+ if (ret) {
dev_warn(hba->dev, "exit h8 state fail, ret=%d\n", ret);
+
+ ufshcd_force_error_recovery(hba);
+
+ /* trigger error handler and break suspend */
+ ret = -EBUSY;
+ }
+
+ return ret;
}
static int ufs_mtk_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op,
@@ -1709,7 +1717,7 @@ static int ufs_mtk_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op,
if (status == PRE_CHANGE) {
if (ufshcd_is_auto_hibern8_supported(hba))
- ufs_mtk_auto_hibern8_disable(hba);
+ return ufs_mtk_auto_hibern8_disable(hba);
return 0;
}
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index 1d3943777584..219935b3a76f 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -1508,5 +1508,6 @@ int __ufshcd_write_ee_control(struct ufs_hba *hba, u32 ee_ctrl_mask);
int ufshcd_write_ee_control(struct ufs_hba *hba);
int ufshcd_update_ee_control(struct ufs_hba *hba, u16 *mask,
const u16 *other_mask, u16 set, u16 clr);
+void ufshcd_force_error_recovery(struct ufs_hba *hba);
#endif /* End of Header */