---

yaml
---
r: 325881
b: refs/heads/master
c: 4e17726
h: refs/heads/master
i:
  325879: 2596fd6
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8c7ca99250de69dfe97c5f4f6e2eb11dc6145779
+refs/heads/master: 4e177260e547e438c78c60b6db6f755bb89e0596

trunk/drivers/usb/renesas_usbhs/mod.c

@@ -209,14 +209,18 @@ int usbhs_status_get_ctrl_stage(struct usbhs_irq_state *irq_state)
 	return (int)irq_state->intsts0 & CTSQ_MASK;
 }
 
-static void usbhs_status_get_each_irq(struct usbhs_priv *priv,
-				      struct usbhs_irq_state *state)
+static int usbhs_status_get_each_irq(struct usbhs_priv *priv,
+				     struct usbhs_irq_state *state)
 {
 	struct usbhs_mod *mod = usbhs_mod_get_current(priv);
+	u16 intenb0, intenb1;
 
 	state->intsts0 = usbhs_read(priv, INTSTS0);
 	state->intsts1 = usbhs_read(priv, INTSTS1);
 
+	intenb0 = usbhs_read(priv, INTENB0);
+	intenb1 = usbhs_read(priv, INTENB1);
+
 	/* mask */
 	if (mod) {
 		state->brdysts = usbhs_read(priv, BRDYSTS);
@@ -226,6 +230,20 @@ static void usbhs_status_get_each_irq(struct usbhs_priv *priv,
 		state->bempsts &= mod->irq_bempsts;
 		state->brdysts &= mod->irq_brdysts;
 	}
+
+	/*
+	 * Check whether the irq enable registers and the irq status are set
+	 * when IRQF_SHARED is set.
+	 */
+	if (priv->irqflags & IRQF_SHARED) {
+		if (!(intenb0 & state->intsts0) &&
+		    !(intenb1 & state->intsts1) &&
+		    !(state->bempsts) &&
+		    !(state->brdysts))
+			return -EIO;
+	}
+
+	return 0;
 }
 
 /*
@@ -238,7 +256,8 @@ static irqreturn_t usbhs_interrupt(int irq, void *data)
 	struct usbhs_priv *priv = data;
 	struct usbhs_irq_state irq_state;
 
-	usbhs_status_get_each_irq(priv, &irq_state);
+	if (usbhs_status_get_each_irq(priv, &irq_state) < 0)
+		return IRQ_NONE;
 
 	/*
 	 * clear interrupt