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| author | Vikram Pandita <vikram.pandita@ti.com> | 2007-05-25 21:31:07 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-07-12 16:29:51 -0700 |
| commit | ffcdc18d64d73ecce49c182f969977ae88ff4384 (patch) | |
| tree | 66282f72235c24191f672aff96cc7305767d2aef /drivers/usb/core | |
| parent | b29dbbd811b006deea85275e37fc1a09e8983d48 (diff) | |
| download | blackbird-op-linux-ffcdc18d64d73ecce49c182f969977ae88ff4384.tar.gz blackbird-op-linux-ffcdc18d64d73ecce49c182f969977ae88ff4384.zip | |
USB Core: hub.c: prevent re-enumeration on HNP
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>
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/hub.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 08f0c22fa917..7946d7b6c71a 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -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; } |
