Re: [PATCH v9 06/10] usb: dwc3: qcom: Add support to read IRQ's related to multiport

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On 6/21/2023 3:35 PM, Konrad Dybcio wrote:

On 21.06.2023 06:36, Krishna Kurapati wrote:

Add support to read Multiport IRQ's related to quad port controller
of SA8295 Device.

Signed-off-by: Krishna Kurapati <quic_kriskura@xxxxxxxxxxx>
---
  drivers/usb/dwc3/dwc3-qcom.c | 108 +++++++++++++++++++++++++++++------
  1 file changed, 91 insertions(+), 17 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index 3de43df6bbe8..3ab48a6925fe 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -74,9 +74,9 @@ struct dwc3_qcom {
  	struct reset_control	*resets;
int hs_phy_irq; 
-	int			dp_hs_phy_irq;
-	int			dm_hs_phy_irq;
-	int			ss_phy_irq;
+	int			dp_hs_phy_irq[4];
+	int			dm_hs_phy_irq[4];
+	int			ss_phy_irq[2];

Not sure if that's been raised previously, but having raw numbers here
is not very descriptive.. MAX_NUM_MP_HSPHY or something would be helpful
for readability..

Konrad


Hi Konrad,

  This has been implented in v9. Wasn't there till v8.
Yes, will replace numbers with Macros.

Regards,
Krishna,


  	enum usb_device_speed	usb2_speed;
struct extcon_dev *edev; 
@@ -375,16 +375,16 @@ static void dwc3_qcom_disable_interrupts(struct dwc3_qcom *qcom)
  	dwc3_qcom_disable_wakeup_irq(qcom->hs_phy_irq);
if (qcom->usb2_speed == USB_SPEED_LOW) { 
-		dwc3_qcom_disable_wakeup_irq(qcom->dm_hs_phy_irq);
+		dwc3_qcom_disable_wakeup_irq(qcom->dm_hs_phy_irq[0]);
  	} else if ((qcom->usb2_speed == USB_SPEED_HIGH) ||
  			(qcom->usb2_speed == USB_SPEED_FULL)) {
-		dwc3_qcom_disable_wakeup_irq(qcom->dp_hs_phy_irq);
+		dwc3_qcom_disable_wakeup_irq(qcom->dp_hs_phy_irq[0]);
  	} 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->dp_hs_phy_irq[0]);
+		dwc3_qcom_disable_wakeup_irq(qcom->dm_hs_phy_irq[0]);
  	}
- dwc3_qcom_disable_wakeup_irq(qcom->ss_phy_irq); 
+	dwc3_qcom_disable_wakeup_irq(qcom->ss_phy_irq[0]);
  }
static void dwc3_qcom_enable_interrupts(struct dwc3_qcom *qcom) 
@@ -401,20 +401,20 @@ static void dwc3_qcom_enable_interrupts(struct dwc3_qcom *qcom)
  	 */
if (qcom->usb2_speed == USB_SPEED_LOW) { 
-		dwc3_qcom_enable_wakeup_irq(qcom->dm_hs_phy_irq,
+		dwc3_qcom_enable_wakeup_irq(qcom->dm_hs_phy_irq[0],
  						IRQ_TYPE_EDGE_FALLING);
  	} else if ((qcom->usb2_speed == USB_SPEED_HIGH) ||
  			(qcom->usb2_speed == USB_SPEED_FULL)) {
-		dwc3_qcom_enable_wakeup_irq(qcom->dp_hs_phy_irq,
+		dwc3_qcom_enable_wakeup_irq(qcom->dp_hs_phy_irq[0],
  						IRQ_TYPE_EDGE_FALLING);
  	} else {
-		dwc3_qcom_enable_wakeup_irq(qcom->dp_hs_phy_irq,
+		dwc3_qcom_enable_wakeup_irq(qcom->dp_hs_phy_irq[0],
  						IRQ_TYPE_EDGE_RISING);
-		dwc3_qcom_enable_wakeup_irq(qcom->dm_hs_phy_irq,
+		dwc3_qcom_enable_wakeup_irq(qcom->dm_hs_phy_irq[0],
  						IRQ_TYPE_EDGE_RISING);
  	}
- dwc3_qcom_enable_wakeup_irq(qcom->ss_phy_irq, 0); 
+	dwc3_qcom_enable_wakeup_irq(qcom->ss_phy_irq[0], 0);
  }
static int dwc3_qcom_suspend(struct dwc3_qcom *qcom, bool wakeup) 
@@ -535,6 +535,80 @@ static int dwc3_qcom_get_irq(struct platform_device *pdev,
  	return ret;
  }
+static int dwc3_qcom_setup_mp_irq(struct platform_device *pdev) 
+{
+	struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
+	char irq_name[15];
+	int irq;
+	int ret;
+	int i;
+
+	for (i = 0; i < 4; i++) {
+		if (qcom->dp_hs_phy_irq[i])
+			continue;
+
+		sprintf(irq_name, "dp%d_hs_phy_irq", i+1);
+		irq = dwc3_qcom_get_irq(pdev, irq_name, -1);
+		if (irq > 0) {
+			irq_set_status_flags(irq, IRQ_NOAUTOEN);
+			ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
+					qcom_dwc3_resume_irq,
+					IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+					irq_name, qcom);
+			if (ret) {
+				dev_err(qcom->dev, "%s failed: %d\n", irq_name, ret);
+				return ret;
+			}
+		}
+
+		qcom->dp_hs_phy_irq[i] = irq;
+	}
+
+	for (i = 0; i < 4; i++) {
+		if (qcom->dm_hs_phy_irq[i])
+			continue;
+
+		sprintf(irq_name, "dm%d_hs_phy_irq", i+1);
+		irq = dwc3_qcom_get_irq(pdev, irq_name, -1);
+		if (irq > 0) {
+			irq_set_status_flags(irq, IRQ_NOAUTOEN);
+			ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
+					qcom_dwc3_resume_irq,
+					IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+					irq_name, qcom);
+			if (ret) {
+				dev_err(qcom->dev, "%s failed: %d\n", irq_name, ret);
+				return ret;
+			}
+		}
+
+		qcom->dm_hs_phy_irq[i] = irq;
+	}
+
+	for (i = 0; i < 2; i++) {
+		if (qcom->ss_phy_irq[i])
+			continue;
+
+		sprintf(irq_name, "ss%d_phy_irq", i+1);
+		irq = dwc3_qcom_get_irq(pdev, irq_name, -1);
+		if (irq > 0) {
+			irq_set_status_flags(irq, IRQ_NOAUTOEN);
+			ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
+					qcom_dwc3_resume_irq,
+					IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+					irq_name, qcom);
+			if (ret) {
+				dev_err(qcom->dev, "%s failed: %d\n", irq_name, ret);
+				return ret;
+			}
+		}
+
+		qcom->ss_phy_irq[i] = irq;
+	}
+
+	return 0;
+}
+
  static int dwc3_qcom_setup_irq(struct platform_device *pdev)
  {
  	struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
@@ -570,7 +644,7 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
  			dev_err(qcom->dev, "dp_hs_phy_irq failed: %d\n", ret);
  			return ret;
  		}
-		qcom->dp_hs_phy_irq = irq;
+		qcom->dp_hs_phy_irq[0] = irq;
  	}
irq = dwc3_qcom_get_irq(pdev, "dm_hs_phy_irq", 
@@ -585,7 +659,7 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
  			dev_err(qcom->dev, "dm_hs_phy_irq failed: %d\n", ret);
  			return ret;
  		}
-		qcom->dm_hs_phy_irq = irq;
+		qcom->dm_hs_phy_irq[0] = irq;
  	}
irq = dwc3_qcom_get_irq(pdev, "ss_phy_irq", 
@@ -600,10 +674,10 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
  			dev_err(qcom->dev, "ss_phy_irq failed: %d\n", ret);
  			return ret;
  		}
-		qcom->ss_phy_irq = irq;
+		qcom->ss_phy_irq[0] = irq;
  	}
- return 0; 
+	return dwc3_qcom_setup_mp_irq(pdev);;
  }
static int dwc3_qcom_clk_init(struct dwc3_qcom *qcom, int count)
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