X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fusb%2Frenesas_usbhs%2Fmod.c;h=d4be5d5948960cd32353d3007be4373d914be114;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=9a705b15b3a1528b733c9eebac04e0d2f7ef2ee9;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git

diff --git a/kernel/drivers/usb/renesas_usbhs/mod.c b/kernel/drivers/usb/renesas_usbhs/mod.c
index 9a705b15b..d4be5d594 100644
--- a/kernel/drivers/usb/renesas_usbhs/mod.c
+++ b/kernel/drivers/usb/renesas_usbhs/mod.c
@@ -218,10 +218,14 @@ static int usbhs_status_get_each_irq(struct usbhs_priv *priv,
 	/********************  spin lock ********************/
 	usbhs_lock(priv, flags);
 	state->intsts0 = usbhs_read(priv, INTSTS0);
-	state->intsts1 = usbhs_read(priv, INTSTS1);
-
 	intenb0 = usbhs_read(priv, INTENB0);
-	intenb1 = usbhs_read(priv, INTENB1);
+
+	if (usbhs_mod_is_host(priv)) {
+		state->intsts1 = usbhs_read(priv, INTSTS1);
+		intenb1 = usbhs_read(priv, INTENB1);
+	} else {
+		state->intsts1 = intenb1 = 0;
+	}
 
 	/* mask */
 	if (mod) {
@@ -275,7 +279,8 @@ static irqreturn_t usbhs_interrupt(int irq, void *data)
 	 *	   - Function :: VALID bit should 0
 	 */
 	usbhs_write(priv, INTSTS0, ~irq_state.intsts0 & INTSTS0_MAGIC);
-	usbhs_write(priv, INTSTS1, ~irq_state.intsts1 & INTSTS1_MAGIC);
+	if (usbhs_mod_is_host(priv))
+		usbhs_write(priv, INTSTS1, ~irq_state.intsts1 & INTSTS1_MAGIC);
 
 	usbhs_write(priv, BRDYSTS, ~irq_state.brdysts);
 	usbhs_write(priv, NRDYSTS, ~irq_state.nrdysts);
@@ -303,19 +308,20 @@ static irqreturn_t usbhs_interrupt(int irq, void *data)
 	if (irq_state.intsts0 & BRDY)
 		usbhs_mod_call(priv, irq_ready, priv, &irq_state);
 
-	/* INTSTS1 */
-	if (irq_state.intsts1 & ATTCH)
-		usbhs_mod_call(priv, irq_attch, priv, &irq_state);
-
-	if (irq_state.intsts1 & DTCH)
-		usbhs_mod_call(priv, irq_dtch, priv, &irq_state);
+	if (usbhs_mod_is_host(priv)) {
+		/* INTSTS1 */
+		if (irq_state.intsts1 & ATTCH)
+			usbhs_mod_call(priv, irq_attch, priv, &irq_state);
 
-	if (irq_state.intsts1 & SIGN)
-		usbhs_mod_call(priv, irq_sign, priv, &irq_state);
+		if (irq_state.intsts1 & DTCH)
+			usbhs_mod_call(priv, irq_dtch, priv, &irq_state);
 
-	if (irq_state.intsts1 & SACK)
-		usbhs_mod_call(priv, irq_sack, priv, &irq_state);
+		if (irq_state.intsts1 & SIGN)
+			usbhs_mod_call(priv, irq_sign, priv, &irq_state);
 
+		if (irq_state.intsts1 & SACK)
+			usbhs_mod_call(priv, irq_sack, priv, &irq_state);
+	}
 	return IRQ_HANDLED;
 }
 
@@ -334,7 +340,8 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
 	 *  - update INTSTS0
 	 */
 	usbhs_write(priv, INTENB0, 0);
-	usbhs_write(priv, INTENB1, 0);
+	if (usbhs_mod_is_host(priv))
+		usbhs_write(priv, INTENB1, 0);
 
 	usbhs_write(priv, BEMPENB, 0);
 	usbhs_write(priv, BRDYENB, 0);
@@ -368,25 +375,27 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
 			intenb0 |= BRDYE;
 		}
 
-		/*
-		 * INTSTS1
-		 */
-		if (mod->irq_attch)
-			intenb1 |= ATTCHE;
+		if (usbhs_mod_is_host(priv)) {
+			/*
+			 * INTSTS1
+			 */
+			if (mod->irq_attch)
+				intenb1 |= ATTCHE;
 
-		if (mod->irq_dtch)
-			intenb1 |= DTCHE;
+			if (mod->irq_dtch)
+				intenb1 |= DTCHE;
 
-		if (mod->irq_sign)
-			intenb1 |= SIGNE;
+			if (mod->irq_sign)
+				intenb1 |= SIGNE;
 
-		if (mod->irq_sack)
-			intenb1 |= SACKE;
+			if (mod->irq_sack)
+				intenb1 |= SACKE;
+		}
 	}
 
 	if (intenb0)
 		usbhs_write(priv, INTENB0, intenb0);
 
-	if (intenb1)
+	if (usbhs_mod_is_host(priv) && intenb1)
 		usbhs_write(priv, INTENB1, intenb1);
 }