[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20221012085002.24099-5-johan+linaro@kernel.org>
Date: Wed, 12 Oct 2022 10:49:47 +0200
From: Johan Hovold <johan+linaro@...nel.org>
To: Vinod Koul <vkoul@...nel.org>
Cc: Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Kishon Vijay Abraham I <kishon@...com>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
linux-kernel@...r.kernel.org,
Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH 05/20] phy: qcom-qmp-pcie: 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: Johan Hovold <johan+linaro@...nel.org>
---
drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index 4af6b9e50d16..d3e7e673114f 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -2004,7 +2004,7 @@ static int qmp_pcie_power_on(struct phy *phy)
status = pcs + cfg->regs[QPHY_PCS_STATUS];
mask = cfg->phy_status;
- ret = readl_poll_timeout(status, val, !(val & mask), 10,
+ ret = readl_poll_timeout(status, val, !(val & mask), 200,
PHY_INIT_COMPLETE_TIMEOUT);
if (ret) {
dev_err(qmp->dev, "phy initialization timed-out\n");
--
2.35.1
Powered by blists - more mailing lists