gpio: build fixes
This fixes various gpio-related build errors (mostly potential) reported in part by Russell King and Uwe Kleine-König. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Arnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -1,8 +1,12 @@
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#ifndef _ASM_GENERIC_GPIO_H
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#define _ASM_GENERIC_GPIO_H
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#include <linux/types.h>
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#ifdef CONFIG_HAVE_GPIO_LIB
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#include <linux/compiler.h>
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/* Platforms may implement their GPIO interface with library code,
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* at a small performance cost for non-inlined operations and some
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* extra memory (for code and for per-GPIO table entries).
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@ -74,7 +78,7 @@ struct gpio_chip {
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extern const char *gpiochip_is_requested(struct gpio_chip *chip,
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unsigned offset);
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extern int __init __must_check gpiochip_reserve(int start, int ngpio);
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extern int __must_check gpiochip_reserve(int start, int ngpio);
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/* add/remove chips */
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extern int gpiochip_add(struct gpio_chip *chip);
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@ -8,6 +8,9 @@
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#else
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#include <linux/types.h>
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#include <linux/errno.h>
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/*
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* Some platforms don't support the GPIO programming interface.
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*
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