diff options
author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-01-23 17:22:16 +0000 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-01-24 18:27:32 +0000 |
commit | 8a327f23e23fa509e6e3c2263ae1cc0a67dec387 (patch) | |
tree | 119abf09e1ec9babaf78e6889187f9d54864b118 /arch/mips/ath79/dev-gpio-buttons.c | |
parent | 5a9a8d1a99c617df82339456fbdd30d6ed3a856b (diff) | |
parent | d315777b32a4696feb86f2a0c9e9f39c94683649 (diff) |
Merge remote branch 'linus/master' into drm-intel-fixes
Merge with Linus to resolve conflicting fixes for the reusing the stale
HEAD value during intel_ring_wait().
Conflicts:
drivers/gpu/drm/i915/intel_ringbuffer.c
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 @@ +/* + * 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 = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL); + if (!p) + return; + + memcpy(p, buttons, nbuttons * sizeof(*p)); + + 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); +} |