spi: pxa2xx_spi: introduce chipselect GPIO to simplify the common cases

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Most SPI peripherals use GPIOs as their chip selects, introduce .gpio_cs
for this.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Cc: David Brownell <david-b@pacbell.net>
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>

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Eric Miao 2009-04-06 19:00:54 -07:00 • committed by Linus Torvalds

parent c8fc657e6a

commit a7bb3909b3

2 changed files with 79 additions and 18 deletions

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1

arch/arm/mach-pxa/include/mach/pxa2xx_spi.h

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96

drivers/spi/pxa2xx_spi.c

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