From 89d48367edbc878f86db3008a4107331ef07f578 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 16 Feb 2011 11:14:33 -0800 Subject: 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 --- common/usb.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'common/usb.c') diff --git a/common/usb.c b/common/usb.c index 44a435af6e..4f7c520b34 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; } -- cgit v1.2.3