diff options
| author | Simon Glass <sjg@chromium.org> | 2011-02-16 11:14:33 -0800 |
|---|---|---|
| committer | Remy Bohmer <linux@bohmer.net> | 2011-02-19 20:32:36 +0100 |
| commit | 89d48367edbc878f86db3008a4107331ef07f578 (patch) | |
| tree | 808742d920445274c97d867422762b3b67cc8391 /common/usb.c | |
| parent | 96820a35873b4c005f732432c6a168decc9d22b9 (diff) | |
| download | u-boot-imx-89d48367edbc878f86db3008a4107331ef07f578.zip u-boot-imx-89d48367edbc878f86db3008a4107331ef07f578.tar.gz u-boot-imx-89d48367edbc878f86db3008a4107331ef07f578.tar.bz2 | |
Add USB host ethernet adapter support
This adds support for using USB Ethernet dongles in host mode. This is just
the framework - drivers will come later. A new config option called
CONFIG_USB_HOST_ETHER can be defined in board config files to switch this
on.
The was originally written by NVIDIA and was cleaned up for release by the
Chromium authors.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common/usb.c')
| -rw-r--r-- | common/usb.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/common/usb.c b/common/usb.c index 44a435a..4f7c520 100644 --- a/common/usb.c +++ b/common/usb.c @@ -145,10 +145,14 @@ int usb_stop(void) /* * disables the asynch behaviour of the control message. This is used for data * transfers that uses the exclusiv access to the control and bulk messages. + * Returns the old value so it can be restored later. */ -void usb_disable_asynch(int disable) +int usb_disable_asynch(int disable) { + int old_value = asynch_allowed; + asynch_allowed = !disable; + return old_value; } |