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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-30 10:04:58 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-30 10:04:58 +0200
commit8a7b5d0f75f757fa88b0d17c19523161b27b8e80 (patch)
tree54a3e7f1f995583ed924ff32cf5dacc800119800 /drivers/usb/core/hub.c
parent7bab01ecc6c43da882333c6db39741cb43677004 (diff)
parentacb1872577b346bd15ab3a3f8dff780d6cca4b70 (diff)
downloadlinux-8a7b5d0f75f757fa88b0d17c19523161b27b8e80.tar.bz2
Merge 4.18-rc7 into usb-next
We want the USB fixes in here as well to handle merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/hub.c')
-rw-r--r--drivers/usb/core/hub.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index fef5af7aab92..462ce49f683a 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1142,10 +1142,14 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
if (!udev || udev->state == USB_STATE_NOTATTACHED) {
/* Tell hub_wq to disconnect the device or
- * check for a new connection
+ * check for a new connection or over current condition.
+ * Based on USB2.0 Spec Section 11.12.5,
+ * C_PORT_OVER_CURRENT could be set while
+ * PORT_OVER_CURRENT is not. So check for any of them.
*/
if (udev || (portstatus & USB_PORT_STAT_CONNECTION) ||
- (portstatus & USB_PORT_STAT_OVERCURRENT))
+ (portstatus & USB_PORT_STAT_OVERCURRENT) ||
+ (portchange & USB_PORT_STAT_C_OVERCURRENT))
set_bit(port1, hub->change_bits);
} else if (portstatus & USB_PORT_STAT_ENABLE) {