diff options
| author | Peter Chen <peter.chen@freescale.com> | 2014-09-29 02:09:31 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-29 15:50:39 (GMT) |
| commit | e5a9d62199af2ae6c4e7aa13614199b6dbaf5eb2 (patch) | |
| tree | 595c684f56490bf89237638dcf6678500b9b3f8a /drivers | |
| parent | bb50564258b5414d434a383ea6b02443521eb5ce (diff) | |
| download | linux-e5a9d62199af2ae6c4e7aa13614199b6dbaf5eb2.tar.xz | |
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: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/core/hub.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 374b3f9..1d21b2c 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -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); |