Files
cubelinux-kernel/arch/arm/mach-s3c/wakeup-mask.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

43 lines
906 B
C

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