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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-30 11:13:15 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-30 11:13:15 +0300
commitc88b94a9f43cecdeae4fa3d30cadd9a3f604372f (patch)
tree113aea97fed1f08e0b5c9603c43fe1e147b68474 /drivers/usb/core/hub.c
parent38c6aa2175c35358d01c29266000d26c78af9e36 (diff)
parentacb1872577b346bd15ab3a3f8dff780d6cca4b70 (diff)
downloadlinux-c88b94a9f43cecdeae4fa3d30cadd9a3f604372f.tar.xz
Merge 4.18-rc7 into staging-next
We want the staging changes in here for testing and 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 fcae521df29b..1fb266809966 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) {