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Commit 925aa46b authored by Richard Zhao's avatar Richard Zhao Committed by Greg Kroah-Hartman
Browse files

USB: notify phy when root hub port connect change 



Phy may need to change settings when port connect change.

Signed-off-by: default avatarRichard Zhao <richard.zhao@freescale.com>
Tested-by: default avatarSubodh Nijsure <snijsure@grid-net.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0d5ff306

drivers/usb/core/hub.c

+8 −0
Original line number Diff line number Diff line
@@ -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".

	 */