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USB Core: hub.c: prevent re-enumeration on HNP

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Patch is to prevent the OTG host of doing 3 times enumeration of
device when the Host suspends for HNP.  The error code used in
this case is ENOTSUPP.

Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Vikram Pandita 2007-05-25 21:31:07 -07:00 committed by Greg Kroah-Hartman
parent b29dbbd811
commit ffcdc18d64
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/core/hub.c
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@ -1443,7 +1443,7 @@ int usb_new_device(struct usb_device *udev)
if (err < 0)
dev_dbg(&udev->dev, "HNP fail, %d\n", err);
}
err = -ENODEV;
err = -ENOTSUPP;
goto fail;
}
#endif
@ -2582,7 +2582,7 @@ loop:
ep0_reinit(udev);
release_address(udev);
usb_put_dev(udev);
if (status == -ENOTCONN)
if ((status == -ENOTCONN) || (status == -ENOTSUPP))
break;
}