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author | Arnd Bergmann <arnd@arndb.de> | 2019-09-02 19:37:30 +0300 |
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committer | Krzysztof Kozlowski <krzk@kernel.org> | 2020-08-22 14:02:02 +0300 |
commit | c6ff132d4224022ffaa461ec771ec27c5319369c (patch) | |
tree | ce00829c11c36a6ea725ad86f1c023ff9bbf4a40 /arch/arm/mach-s3c/wakeup-mask.h | |
parent | 71b9114d2c13a648fbe6523dd859e611c316ad90 (diff) | |
download | linux-c6ff132d4224022ffaa461ec771ec27c5319369c.tar.xz |
ARM: s3c: make headers local if possible
A lot of header files are only used internally now, so they can be moved
to mach-s3c, out of the visibility of drivers.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200806182059.2431-40-krzk@kernel.org
[krzk: Rebase and fixup leds-s3c24xx driver]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Diffstat (limited to 'arch/arm/mach-s3c/wakeup-mask.h')
-rw-r--r-- | arch/arm/mach-s3c/wakeup-mask.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/wakeup-mask.h b/arch/arm/mach-s3c/wakeup-mask.h new file mode 100644 index 000000000000..630909e6630b --- /dev/null +++ b/arch/arm/mach-s3c/wakeup-mask.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2010 Ben Dooks <ben-linux@fluff.org> + * + * Support for wakeup mask interrupts on newer SoCs + */ + +#ifndef __PLAT_WAKEUP_MASK_H +#define __PLAT_WAKEUP_MASK_H __file__ + +/* if no irq yet defined, but still want to mask */ +#define NO_WAKEUP_IRQ (0x90000000) + +/** + * struct samsung_wakeup_mask - wakeup mask information + * @irq: The interrupt associated with this wakeup. + * @bit: The bit, as a (1 << bitno) controlling this source. + */ +struct samsung_wakeup_mask { + unsigned int irq; + u32 bit; +}; + +/** + * samsung_sync_wakemask - sync wakeup mask information for pm + * @reg: The register that is used. + * @masks: The list of masks to use. + * @nr_masks: The number of entries pointed to buy @masks. + * + * Synchronise the wakeup mask information at suspend time from the list + * of interrupts and control bits in @masks. We do this at suspend time + * as overriding the relevant irq chips is harder and the register is only + * required to be correct before we enter sleep. + */ +extern void samsung_sync_wakemask(void __iomem *reg, + const struct samsung_wakeup_mask *masks, + int nr_masks); + +#endif /* __PLAT_WAKEUP_MASK_H */ |