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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - arch/arm/plat-samsung/wakeup-mask.c
1 /* arch/arm/plat-samsung/wakeup-mask.c
3 * Copyright 2010 Ben Dooks <ben-linux@fluff.org>
5 * Support for wakeup mask interrupts on newer SoCs
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #include <linux/kernel.h>
13 #include <linux/spinlock.h>
14 #include <linux/device.h>
15 #include <linux/types.h>
16 #include <linux/irq.h>
19 #include <plat/wakeup-mask.h>
22 void samsung_sync_wakemask(void __iomem
*reg
,
23 struct samsung_wakeup_mask
*mask
, int nr_mask
)
25 struct irq_data
*data
;
28 val
= __raw_readl(reg
);
30 for (; nr_mask
> 0; nr_mask
--, mask
++) {
31 if (mask
->irq
== NO_WAKEUP_IRQ
) {
36 data
= irq_get_irq_data(mask
->irq
);
38 /* bit of a liberty to read this directly from irq_data. */
39 if (irqd_is_wakeup_set(data
))
45 printk(KERN_INFO
"wakemask %08x => %08x\n", __raw_readl(reg
), val
);
46 __raw_writel(val
, reg
);