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From:   Sandeep Maheswaram <sanm@codeaurora.org>
To:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Felipe Balbi <balbi@kernel.org>,
        Stephen Boyd <swboyd@chromium.org>,
        Doug Anderson <dianders@chromium.org>,
        Matthias Kaehlcke <mka@chromium.org>,
        Mathias Nyman <mathias.nyman@intel.com>
Cc:     linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Pratham Pratap <prathampratap@codeaurora.org>,
        Sandeep Maheswaram <sanm@codeaurora.org>
Subject: [PATCH v8 5/6] usb: dwc3: qcom: Configure wakeup interrupts during suspend
Date:   Mon, 28 Jun 2021 17:38:16 +0530
Message-Id: <1624882097-23265-6-git-send-email-sanm@codeaurora.org>
In-Reply-To: <1624882097-23265-1-git-send-email-sanm@codeaurora.org>
References: <1624882097-23265-1-git-send-email-sanm@codeaurora.org>
Precedence: bulk

Configure interrupts based on hs_phy_mode to avoid triggering of
interrupts during system suspend and suspend the device successfully.

Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
---
 drivers/usb/dwc3/dwc3-qcom.c | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index 66183c6..82125bc 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -316,22 +316,36 @@ static void dwc3_qcom_disable_wakeup_irq(int irq)
 
 static void dwc3_qcom_disable_interrupts(struct dwc3_qcom *qcom)
 {
-	dwc3_qcom_disable_wakeup_irq(qcom->hs_phy_irq);
+	struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3);
 
-	dwc3_qcom_disable_wakeup_irq(qcom->dp_hs_phy_irq);
+	dwc3_qcom_disable_wakeup_irq(qcom->hs_phy_irq);
 
-	dwc3_qcom_disable_wakeup_irq(qcom->dm_hs_phy_irq);
+	if (dwc->hs_phy_mode & PHY_MODE_USB_HOST_LS) {
+		dwc3_qcom_disable_wakeup_irq(qcom->dp_hs_phy_irq);
+	} else if (dwc->hs_phy_mode & PHY_MODE_USB_HOST_HS) {
+		dwc3_qcom_disable_wakeup_irq(qcom->dm_hs_phy_irq);
+	} else {
+		dwc3_qcom_disable_wakeup_irq(qcom->dp_hs_phy_irq);
+		dwc3_qcom_disable_wakeup_irq(qcom->dm_hs_phy_irq);
+	}
 
 	dwc3_qcom_disable_wakeup_irq(qcom->ss_phy_irq);
 }
 
 static void dwc3_qcom_enable_interrupts(struct dwc3_qcom *qcom)
 {
-	dwc3_qcom_enable_wakeup_irq(qcom->hs_phy_irq);
+	struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3);
 
-	dwc3_qcom_enable_wakeup_irq(qcom->dp_hs_phy_irq);
+	dwc3_qcom_enable_wakeup_irq(qcom->hs_phy_irq);
 
-	dwc3_qcom_enable_wakeup_irq(qcom->dm_hs_phy_irq);
+	if (dwc->hs_phy_mode & PHY_MODE_USB_HOST_LS) {
+		dwc3_qcom_enable_wakeup_irq(qcom->dp_hs_phy_irq);
+	} else if (dwc->hs_phy_mode & PHY_MODE_USB_HOST_HS) {
+		dwc3_qcom_enable_wakeup_irq(qcom->dm_hs_phy_irq);
+	} else {
+		dwc3_qcom_enable_wakeup_irq(qcom->dp_hs_phy_irq);
+		dwc3_qcom_enable_wakeup_irq(qcom->dm_hs_phy_irq);
+	}
 
 	dwc3_qcom_enable_wakeup_irq(qcom->ss_phy_irq);
 }
-- 
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