[PATCH V1 2/2] scsi: ufs: ufs-qcom: check host controller state

[Nitin Rawat]

Check host controller state before sending hibern8 command.

Signed-off-by: Manish Pandey <quic_mapa@xxxxxxxxxxx>
Signed-off-by: Nitin Rawat <quic_nitirawa@xxxxxxxxxxx>
---
 drivers/ufs/host/ufs-qcom.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 8d6fd4c3324f..95412e98a598 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -1254,6 +1254,10 @@ static int ufs_qcom_clk_scale_notify(struct ufs_hba *hba,
 	struct ufs_pa_layer_attr *dev_req_params = &host->dev_req_params;
 	int err = 0;

+	/* check the host controller state before sending hibern8 cmd */
+	if (!ufshcd_is_hba_active(hba))
+		return 0;
+
 	if (status == PRE_CHANGE) {
 		err = ufshcd_uic_hibern8_enter(hba);
 		if (err)
--
2.17.1