It typically takes between one and two milliseconds for the PHY to become ready after starting it. Increase the tight 3--10 us polling period to the more reasonable 51--200 us. Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx> --- drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c index b9260c8746bf..cd8fafe4c295 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c @@ -360,7 +360,7 @@ static int qmp_pcie_msm8996_serdes_init(struct qmp_phy *qphy) SERDES_START | PCS_START); status = serdes + cfg->regs[QPHY_COM_PCS_READY_STATUS]; - ret = readl_poll_timeout(status, val, (val & PCS_READY), 10, + ret = readl_poll_timeout(status, val, (val & PCS_READY), 200, PHY_INIT_COMPLETE_TIMEOUT); if (ret) { dev_err(qmp->dev, @@ -514,7 +514,7 @@ static int qmp_pcie_msm8996_power_on(struct phy *phy) qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); status = pcs + cfg->regs[QPHY_PCS_STATUS]; - ret = readl_poll_timeout(status, val, !(val & PHYSTATUS), 10, + ret = readl_poll_timeout(status, val, !(val & PHYSTATUS), 200, PHY_INIT_COMPLETE_TIMEOUT); if (ret) { dev_err(qmp->dev, "phy initialization timed-out\n"); -- 2.35.1