diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-02-11 02:32:18 -0500 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-02-11 02:33:14 -0500 |
commit | f19693a17c6705e197eb24d4618060eaac1b535c (patch) | |
tree | fc39dc23297c0e6be730cb0dfd74a34d9c0b8bfd /arch/mips/ath79/dev-gpio-buttons.c | |
parent | 23b120cdfae4f5c29da69de750d545bad719ead4 (diff) | |
parent | 100b33c8bd8a3235fd0b7948338d6cbb3db3c63d (diff) |
Merge commit 'v2.6.38-rc4' into imx-for-2.6.39
Conflicts:
arch/arm/mach-mxs/clock-mx28.c
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/mips/ath79/dev-gpio-buttons.c')
-rw-r--r-- | arch/mips/ath79/dev-gpio-buttons.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/mips/ath79/dev-gpio-buttons.c b/arch/mips/ath79/dev-gpio-buttons.c new file mode 100644 index 000000000000..4b0168a11c01 --- /dev/null +++ b/arch/mips/ath79/dev-gpio-buttons.c | |||
@@ -0,0 +1,58 @@ | |||
1 | /* | ||
2 | * Atheros AR71XX/AR724X/AR913X GPIO button support | ||
3 | * | ||
4 | * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> | ||
5 | * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify it | ||
8 | * under the terms of the GNU General Public License version 2 as published | ||
9 | * by the Free Software Foundation. | ||
10 | */ | ||
11 | |||
12 | #include "linux/init.h" | ||
13 | #include "linux/slab.h" | ||
14 | #include <linux/platform_device.h> | ||
15 | |||
16 | #include "dev-gpio-buttons.h" | ||
17 | |||
18 | void __init ath79_register_gpio_keys_polled(int id, | ||
19 | unsigned poll_interval, | ||
20 | unsigned nbuttons, | ||
21 | struct gpio_keys_button *buttons) | ||
22 | { | ||
23 | struct platform_device *pdev; | ||
24 | struct gpio_keys_platform_data pdata; | ||
25 | struct gpio_keys_button *p; | ||
26 | int err; | ||
27 | |||
28 | p = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL); | ||
29 | if (!p) | ||
30 | return; | ||
31 | |||
32 | memcpy(p, buttons, nbuttons * sizeof(*p)); | ||
33 | |||
34 | pdev = platform_device_alloc("gpio-keys-polled", id); | ||
35 | if (!pdev) | ||
36 | goto err_free_buttons; | ||
37 | |||
38 | memset(&pdata, 0, sizeof(pdata)); | ||
39 | pdata.poll_interval = poll_interval; | ||
40 | pdata.nbuttons = nbuttons; | ||
41 | pdata.buttons = p; | ||
42 | |||
43 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | ||
44 | if (err) | ||
45 | goto err_put_pdev; | ||
46 | |||
47 | err = platform_device_add(pdev); | ||
48 | if (err) | ||
49 | goto err_put_pdev; | ||
50 | |||
51 | return; | ||
52 | |||
53 | err_put_pdev: | ||
54 | platform_device_put(pdev); | ||
55 | |||
56 | err_free_buttons: | ||
57 | kfree(p); | ||
58 | } | ||