Commit 89161cd0 authored by Piyush Mehta's avatar Piyush Mehta Committed by Vinod Koul
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phy: xilinx: zynqmp: skip PHY initialization and PLL lock for USB 



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: default avatarPiyush Mehta <piyush.mehta@xilinx.com>
Link: https://lore.kernel.org/r/20210818084311.2643986-1-piyush.mehta@xilinx.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent c7c40243

drivers/phy/xilinx/phy-zynqmp.c

+3 −0
Original line number Diff line number Diff line
@@ -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