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gpio: gpio-generic: Add 16 and 32 bit big endian byte order support

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There is no general support for 64-bit big endian accesses, so that is
left unsupported.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Acked-by: Anton Vorontsov <anton@enomsg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andreas Larsson
2013-03-15 14:45:38 +01:00
committed by Linus Walleij
parent 4315844193
commit 2b78f1e138
2 changed files with 48 additions and 9 deletions
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include/linux/basic_mmio_gpio.h
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@@ -72,5 +72,6 @@ int bgpio_init(struct bgpio_chip *bgc, struct device *dev,
#define BGPIOF_BIG_ENDIAN BIT(0)
#define BGPIOF_UNREADABLE_REG_SET BIT(1) /* reg_set is unreadable */
#define BGPIOF_UNREADABLE_REG_DIR BIT(2) /* reg_dir is unreadable */
#define BGPIOF_BIG_ENDIAN_BYTE_ORDER BIT(3)
#endif /* __BASIC_MMIO_GPIO_H */