[PATCH v5 1/3] phy: Power on PHY before start Serdes configuration

[Can Guo]

PHYs should be powered on before register configuration starts.

Signed-off-by: Can Guo <c...@codeaurora.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c 
b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 97ef942..9bfdba1 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -1000,6 +1000,12 @@ static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp)
                             SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET);
        }
 
+       /*
+        * Pull out PHY from POWER DOWN state.
+        * This is active low enable signal to power-down PHY.
+        */
+       qphy_setbits(pcs, QPHY_POWER_DOWN_CONTROL, cfg->pwrdn_ctrl);
+
        /* Serdes configuration */
        qcom_qmp_phy_configure(serdes, cfg->regs, cfg->serdes_tbl,
                               cfg->serdes_tbl_num);
-- 
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