Messages in this thread Patch in this message | | | From | Piyush Mehta <> | Subject | [PATCH] phy: xilinx: zynqmp: skip PHY initialization and PLL lock for USB | Date | Wed, 18 Aug 2021 14:13:11 +0530 |
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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
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