diff options
Diffstat (limited to 'drivers/usb/renesas_usbhs/mod_host.c')
| -rw-r--r-- | drivers/usb/renesas_usbhs/mod_host.c | 14 |
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 72ee8e55e71..c947d0aca9b 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; } |