linux-kernel - [PATCH v2 1/5] phy: qcom-qmp: Increase PHY ready timeout

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Message-Id: <20191220101719.3024693-2-vkoul@kernel.org>
Date:   Fri, 20 Dec 2019 15:47:15 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Kishon Vijay Abraham I <kishon@...com>
Cc:     linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>, Can Guo <cang@...eaurora.org>,
        Jeffrey Hugo <jeffrey.l.hugo@...il.com>,
        linux-kernel@...r.kernel.org, Evan Green <evgreen@...omium.org>,
        Vinod Koul <vkoul@...nel.org>
Subject: [PATCH v2 1/5] phy: qcom-qmp: Increase PHY ready timeout

From: Bjorn Andersson <bjorn.andersson@...aro.org>

It's typical for the QHP PHY to take slightly above 1ms to initialize,
so increase the timeout of the PHY ready check to 10ms - as already done
in the downstream PCIe driver.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Tested-by: Evan Green <evgreen@...omium.org>
Tested-by: Vinod Koul <vkoul@...nel.org>
Signed-off-by: Vinod Koul <vkoul@...nel.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 091e20303a14..66f91726b8b2 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -66,7 +66,7 @@
 /* QPHY_V3_PCS_MISC_CLAMP_ENABLE register bits */
 #define CLAMP_EN				BIT(0) /* enables i/o clamp_n */
 
-#define PHY_INIT_COMPLETE_TIMEOUT		1000
+#define PHY_INIT_COMPLETE_TIMEOUT		10000
 #define POWER_DOWN_DELAY_US_MIN			10
 #define POWER_DOWN_DELAY_US_MAX			11
 
-- 
2.23.0