1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index 72ee8e55e717..c947d0aca9bf 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -1245,6 +1245,14 @@ static int usbhsh_irq_attch(struct usbhs_priv *priv,
         usbhsh_port_stat_set(hpriv, USB_PORT_STAT_CONNECTION);
         usbhsh_port_stat_set(hpriv, USB_PORT_STAT_C_CONNECTION << 16);
 
+        /*
+         * attch interrupt might happen infinitely on some device
+         * (on self power USB hub ?)
+         * disable it here.
+         */
+        hpriv->mod.irq_attch = NULL;
+        usbhs_irq_callback_update(priv, &hpriv->mod);
+
         return 0;
 }
 
@@ -1259,6 +1267,12 @@ static int usbhsh_irq_dtch(struct usbhs_priv *priv,
         usbhsh_port_stat_clear(hpriv, USB_PORT_STAT_CONNECTION);
         usbhsh_port_stat_set(hpriv, USB_PORT_STAT_C_CONNECTION << 16);
 
+        /*
+         * enable attch interrupt again
+         */
+        hpriv->mod.irq_attch = usbhsh_irq_attch;
+        usbhs_irq_callback_update(priv, &hpriv->mod);
+
         return 0;
 }