buttons.c
1.48 KB
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/*
* Cobalt buttons platform device.
*
* Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/platform_device.h>
#include <linux/errno.h>
#include <linux/init.h>
static struct resource cobalt_buttons_resource __initdata = {
.start = 0x1d000000,
.end = 0x1d000003,
.flags = IORESOURCE_MEM,
};
static __init int cobalt_add_buttons(void)
{
struct platform_device *pd;
int error;
pd = platform_device_alloc("Cobalt buttons", -1);
if (!pd)
return -ENOMEM;
error = platform_device_add_resources(pd, &cobalt_buttons_resource, 1);
if (error)
goto err_free_device;
error = platform_device_add(pd);
if (error)
goto err_free_device;
return 0;
err_free_device:
platform_device_put(pd);
return error;
}
device_initcall(cobalt_add_buttons);