diff options
| author | Oliver Neukum <oliver@neukum.org> | 2009-12-18 12:14:21 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-02 14:53:23 -0800 |
| commit | 5d3987796c7a747e5ed3ded1eb64a9632d52a1a4 (patch) | |
| tree | f677d4014bd5e25d1f4ccac1862fd95655baedec /drivers/usb/core | |
| parent | d1b5b5c0a8a8204f0c51d5eb99736ecfb2fd5b4e (diff) | |
USB: storage: Never reset devices that will morph to an old mode
Some devices must be switched to a new mode to fully use them.
A reset would make them revert to the old mode. Therefore a reset
must not be used for error handling with such devices.
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/quirks.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index ab93918d920..0b689224394 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -120,6 +120,7 @@ void usb_detect_quirks(struct usb_device *udev) * for all devices. It will affect things like hub resets * and EMF-related port disables. */ - udev->persist_enabled = 1; + if (!(udev->quirks & USB_QUIRK_RESET_MORPHS)) + udev->persist_enabled = 1; #endif /* CONFIG_PM */ } |