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phy: qcom-qmp-pcie-msm8996: increase status polling period

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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@kernel.org>
Link: https://lore.kernel.org/r/20221012085002.24099-7-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Johan Hovold 2022-10-12 10:49:49 +02:00 committed by Vinod Koul
parent 1a3ae97c24
commit 3894f6d03c
1 changed files with 2 additions and 2 deletions
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4
drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
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@ -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");