linux-kernel - [PATCH 42/43] phy: qcom-qmp-pcie-msm8996: drop reset lane suffix

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Date:   Tue,  5 Jul 2022 11:42:38 +0200
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Vinod Koul <vkoul@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH 42/43] phy: qcom-qmp-pcie-msm8996: drop reset lane suffix

The lane reset is defined in the "lane" node so there's no need to keep
adding a redundant lane-number suffix to the reset name.

Drop the lane-number suffix from the lane reset name, but continue
supporting the legacy name as a fall back.

Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
index b8481dab54db..9ddb42fa5f7a 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
@@ -915,9 +915,12 @@ int qcom_qmp_phy_pcie_msm8996_create(struct device *dev, struct device_node *np,
 				     "failed to get lane%d pipe clock\n", id);
 	}
 
-	/* Get lane reset, if any */
-	snprintf(prop_name, sizeof(prop_name), "lane%d", id);
-	qphy->lane_rst = of_reset_control_get_exclusive(np, prop_name);
+	qphy->lane_rst = of_reset_control_get_exclusive(np, "lane");
+	if (IS_ERR(qphy->lane_rst) && PTR_ERR(qphy->lane_rst) != -EPROBE_DEFER) {
+		/* Fall back to the legacy lane reset name. */
+		snprintf(prop_name, sizeof(prop_name), "lane%d", id);
+		qphy->lane_rst = of_reset_control_get_exclusive(np, prop_name);
+	}
 	if (IS_ERR(qphy->lane_rst)) {
 		dev_err(dev, "failed to get lane%d reset\n", id);
 		return PTR_ERR(qphy->lane_rst);
-- 
2.35.1