linux-kernel - RE: [RFC][PATCH 2/2] x86_64: earlyprintk usb debug device support.

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Date:	Mon, 4 Dec 2006 12:52:30 -0800
From:	"Lu, Yinghai" <yinghai.lu@....com>
To:	ebiederm@...ssion.com, "Greg KH" <gregkh@...e.de>
cc:	"USB development list" <linux-usb-devel@...ts.sourceforge.net>,
	"Stefan Reinauer" <stepan@...esystems.de>,
	"Peter Stuge" <stuge-linuxbios@....org>, linuxbios@...uxbios.org,
	linux-kernel@...r.kernel.org, "Andi Kleen" <ak@...e.de>
Subject: RE: [RFC][PATCH 2/2] x86_64: earlyprintk usb debug device
 support.

Eric,

Please check the version I modified for LinuxBIOS from your
usbdebug_direct.

Put the related info in
struct ehci_debug_info {
        void *ehci_base;
        void *ehci_op_base;
        void *ehci_debug_base;
        unsigned devnum;
        unsigned endpoint_out;
        unsigned endpoint_in;
	int inited;
};

So for CAR stage code, I could put it the range after stack and easy to
retrieve.

YH

Download attachment "usbdebug_direct.h" of type "application/octet-stream" (608 bytes)

Download attachment "usbdebug_direct.c" of type "application/octet-stream" (14476 bytes)