iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

USB: notify phy when root hub port connect change

Browse Source 
Phy may need to change settings when port connect change.

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Tested-by: Subodh Nijsure <snijsure@grid-net.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Richard Zhao 2012-07-11 11:09:28 +08:00 committed by Greg Kroah-Hartman
parent 0d5ff30658
commit 925aa46ba9
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/usb/core/hub.c
View File

@ -20,6 +20,7 @@
#include <linux/usb.h>
#include <linux/usbdevice_fs.h>
#include <linux/usb/hcd.h>
#include <linux/usb/otg.h>
#include <linux/usb/quirks.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
@ -4101,6 +4102,13 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
}
}
if (hcd->phy && !hdev->parent) {
if (portstatus & USB_PORT_STAT_CONNECTION)
usb_phy_notify_connect(hcd->phy, port1);
else
usb_phy_notify_disconnect(hcd->phy, port1);
}
/* Return now if debouncing failed or nothing is connected or
* the device was "removed".
*/