[PATCH] phy: xilinx: zynqmp: skip PHY initialization and PLL lock for USB

[PATCH] phy: xilinx: zynqmp: skip PHY initialization and PLL lock for USB

[Piyush Mehta]

PHY initialization for USB is required on linux boot or when
gt lane is changed from the current one and it is applicable
on PLL lock too.

Signed-off-by: Piyush Mehta <piyush.mehta@xilinx.com>
---
 drivers/phy/xilinx/phy-zynqmp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/phy/xilinx/phy-zynqmp.c b/drivers/phy/xilinx/phy-zynqmp.c
index 35652152ce5d..f478d8a17115 100644
--- a/drivers/phy/xilinx/phy-zynqmp.c
+++ b/drivers/phy/xilinx/phy-zynqmp.c
@@ -626,6 +626,9 @@ static int xpsgtr_phy_power_on(struct phy *phy)
 	struct xpsgtr_phy *gtr_phy = phy_get_drvdata(phy);
 	int ret = 0;
 
+	/* Skip initialization if not required. */
+	if (!xpsgtr_phy_init_required(gtr_phy))
+		return ret;
 	/*
 	 * Wait for the PLL to lock. For DP, only wait on DP0 to avoid
 	 * cumulating waits for both lanes. The user is expected to initialize
-- 
2.25.1

Re: [PATCH] phy: xilinx: zynqmp: skip PHY initialization and PLL lock for USB

[Vinod Koul]

On 18-08-21, 14:13, Piyush Mehta wrote:
> PHY initialization for USB is required on linux boot or when
> gt lane is changed from the current one and it is applicable
> on PLL lock too.

Applied, thanks

-- 
~Vinod