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David Brownell 28735a7253 [PATCH] gpio_direction_output() needs an initial value ... It's been pointed out that output GPIOs should have an initial value, to avoid signal glitching ... among other things, it can be some time before a driver is ready. This patch corrects that oversight, fixing - documentation - platforms supporting the GPIO interface - users of that call (just one for now, others are pending) There's only one user of this call for now since most platforms are still using non-generic GPIO setup code, which in most cases already couples the initial value with its "set output mode" request. Note that most platforms are clear about the hardware letting the output value be set before the pin direction is changed, but the s3c241x docs are vague on that topic ... so those chips might not avoid the glitches. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Andrew Victor <andrew@sanpeople.com> Acked-by: Milan Svoboda <msvoboda@ra.rockwell.com> Acked-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
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boards/atstk1000	[AVR32] Use per-controller spi_board_info structures	18 years ago
boot	[PATCH] AVR32: Minor Makefile cleanup	19 years ago
configs	[AVR32] Update ATSTK1000 defconfig: Enable macb by default	18 years ago
kernel	[AVR32] Fix bogus ti->flags manipulation in debug handler	18 years ago
lib	[AVR32] Remove last remains of libgcc	18 years ago
mach-at32ap	[PATCH] gpio_direction_output() needs an initial value	18 years ago
mm	[AVR32] Don't use kmap() in flush_icache_page()	18 years ago
Kconfig	[PATCH] add CONFIG_GENERIC_GPIO	18 years ago
Kconfig.debug	[PATCH] avr32 architecture	19 years ago
Makefile	[PATCH] AVR32: Minor Makefile cleanup	19 years ago