97bf7a1900
The semantic patch that makes this change is available in scripts/coccinelle/api/memdup.cocci. Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3483/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/*
|
|
* Atheros AR71XX/AR724X/AR913X GPIO button support
|
|
*
|
|
* Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
|
|
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published
|
|
* by the Free Software Foundation.
|
|
*/
|
|
|
|
#include "linux/init.h"
|
|
#include "linux/slab.h"
|
|
#include <linux/platform_device.h>
|
|
|
|
#include "dev-gpio-buttons.h"
|
|
|
|
void __init ath79_register_gpio_keys_polled(int id,
|
|
unsigned poll_interval,
|
|
unsigned nbuttons,
|
|
struct gpio_keys_button *buttons)
|
|
{
|
|
struct platform_device *pdev;
|
|
struct gpio_keys_platform_data pdata;
|
|
struct gpio_keys_button *p;
|
|
int err;
|
|
|
|
p = kmemdup(buttons, nbuttons * sizeof(*p), GFP_KERNEL);
|
|
if (!p)
|
|
return;
|
|
|
|
pdev = platform_device_alloc("gpio-keys-polled", id);
|
|
if (!pdev)
|
|
goto err_free_buttons;
|
|
|
|
memset(&pdata, 0, sizeof(pdata));
|
|
pdata.poll_interval = poll_interval;
|
|
pdata.nbuttons = nbuttons;
|
|
pdata.buttons = p;
|
|
|
|
err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
|
|
if (err)
|
|
goto err_put_pdev;
|
|
|
|
err = platform_device_add(pdev);
|
|
if (err)
|
|
goto err_put_pdev;
|
|
|
|
return;
|
|
|
|
err_put_pdev:
|
|
platform_device_put(pdev);
|
|
|
|
err_free_buttons:
|
|
kfree(p);
|
|
}
|