43 lines
916 B
C
43 lines
916 B
C
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// SPDX-License-Identifier: GPL-2.0
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//
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// Copyright 2010 Ben Dooks <ben-linux@fluff.org>
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//
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// Support for wakeup mask interrupts on newer SoCs
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#include <linux/kernel.h>
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#include <linux/spinlock.h>
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#include <linux/device.h>
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#include <linux/types.h>
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#include <linux/irq.h>
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#include <linux/io.h>
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#include <plat/wakeup-mask.h>
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#include <plat/pm.h>
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void samsung_sync_wakemask(void __iomem *reg,
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const struct samsung_wakeup_mask *mask, int nr_mask)
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{
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struct irq_data *data;
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u32 val;
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val = __raw_readl(reg);
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for (; nr_mask > 0; nr_mask--, mask++) {
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if (mask->irq == NO_WAKEUP_IRQ) {
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val |= mask->bit;
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continue;
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}
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data = irq_get_irq_data(mask->irq);
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/* bit of a liberty to read this directly from irq_data. */
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if (irqd_is_wakeup_set(data))
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val &= ~mask->bit;
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else
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val |= mask->bit;
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}
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printk(KERN_INFO "wakemask %08x => %08x\n", __raw_readl(reg), val);
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__raw_writel(val, reg);
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}
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