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Commit e5a9d621 authored by Peter Chen's avatar Peter Chen Committed by Greg Kroah-Hartman
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usb: core: return -ENOTSUPP for all targeted hosts 



The current code only returns -ENOTSUPP for OTG host, but in fact,
embedded host also needs to returns -ENOTSUPP if the peripheral
is not at TPL.

Signed-off-by: default avatarPeter Chen <peter.chen@freescale.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent bb505642

drivers/usb/core/hub.c

+3 −2
Original line number Diff line number Diff line
@@ -2319,11 +2319,12 @@ static int usb_enumerate_device(struct usb_device *udev) 
		return err;



	if (IS_ENABLED(CONFIG_USB_OTG_WHITELIST) && hcd->tpl_support &&

		!is_targeted(udev) && IS_ENABLED(CONFIG_USB_OTG)) {

		!is_targeted(udev)) {

		/* Maybe it can talk to us, though we can't talk to it.

		 * (Includes HNP test device.)

		 */

		if (udev->bus->b_hnp_enable || udev->bus->is_b_host) {

		if (IS_ENABLED(CONFIG_USB_OTG) && (udev->bus->b_hnp_enable

			|| udev->bus->is_b_host)) {

			err = usb_port_suspend(udev, PMSG_AUTO_SUSPEND);

			if (err < 0)

				dev_dbg(&udev->dev, "HNP fail, %d\n", err);