linux-kernel - [PATCH v2 9/9] usb: dwc3: qcom: clean up suspend callbacks

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Date:   Thu,  4 Aug 2022 17:10:01 +0200
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Felipe Balbi <balbi@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Krishna Kurapati <quic_kriskura@...cinc.com>,
        Stephen Boyd <swboyd@...omium.org>,
        Doug Anderson <dianders@...omium.org>,
        "Matthias Kaehlcke" <mka@...omium.org>,
        Pavankumar Kondeti <quic_pkondeti@...cinc.com>,
        quic_ppratap@...cinc.com, quic_vpulyala@...cinc.com,
        linux-arm-msm@...r.kernel.org, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH v2 9/9] usb: dwc3: qcom: clean up suspend callbacks

Clean up the suspend callbacks by separating the error and success paths
to improve readability.

Also drop a related redundant initialisation.

Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 drivers/usb/dwc3/dwc3-qcom.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index b05f67d206d2..197583ff3f3d 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -959,14 +959,15 @@ static int __maybe_unused dwc3_qcom_pm_suspend(struct device *dev)
 {
 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);
 	bool wakeup = device_may_wakeup(dev);
-	int ret = 0;
-
+	int ret;
 
 	ret = dwc3_qcom_suspend(qcom, wakeup);
-	if (!ret)
-		qcom->pm_suspended = true;
+	if (ret)
+		return ret;
 
-	return ret;
+	qcom->pm_suspended = true;
+
+	return 0;
 }
 
 static int __maybe_unused dwc3_qcom_pm_resume(struct device *dev)
@@ -976,10 +977,12 @@ static int __maybe_unused dwc3_qcom_pm_resume(struct device *dev)
 	int ret;
 
 	ret = dwc3_qcom_resume(qcom, wakeup);
-	if (!ret)
-		qcom->pm_suspended = false;
+	if (ret)
+		return ret;
 
-	return ret;
+	qcom->pm_suspended = false;
+
+	return 0;
 }
 
 static int __maybe_unused dwc3_qcom_runtime_suspend(struct device *dev)
-- 
2.35.1