Commit 7612890b authored by Johan Hovold's avatar Johan Hovold Committed by Vinod Koul
Browse files

phy: qcom-qmp-usb: increase status polling period 



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: default avatarJohan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20221012085002.24099-14-johan+linaro@kernel.org


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent f5ef85ad

drivers/phy/qualcomm/phy-qcom-qmp-usb.c

+1 −1
Original line number Diff line number Diff line
@@ -2163,7 +2163,7 @@ static int qmp_usb_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");