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| author | Chris Zankel <chris@zankel.net> | 2009-04-03 02:29:05 -0700 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2009-04-03 02:29:05 -0700 |
| commit | 65127d28e312bb6b38ce84a7bb71d762ef63ad4c (patch) | |
| tree | d5fdf52a2d0731f7fab0ce0ed394faac50b04fbc /include/linux/spi/spi_gpio.h | |
| parent | b8bb76713ec50df2f11efee386e16f93d51e1076 (diff) | |
| parent | 8fe74cf053de7ad2124a894996f84fa890a81093 (diff) | |
| download | kernel-crypto-65127d28e312bb6b38ce84a7bb71d762ef63ad4c.tar.gz kernel-crypto-65127d28e312bb6b38ce84a7bb71d762ef63ad4c.tar.xz kernel-crypto-65127d28e312bb6b38ce84a7bb71d762ef63ad4c.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into merge
Diffstat (limited to 'include/linux/spi/spi_gpio.h')
| -rw-r--r-- | include/linux/spi/spi_gpio.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/spi/spi_gpio.h b/include/linux/spi/spi_gpio.h index 0f01a0f1f40..ca6782ee4b9 100644 --- a/include/linux/spi/spi_gpio.h +++ b/include/linux/spi/spi_gpio.h @@ -25,10 +25,16 @@ * ... * }; * + * If chipselect is not used (there's only one device on the bus), assign + * SPI_GPIO_NO_CHIPSELECT to the controller_data: + * .controller_data = (void *) SPI_GPIO_NO_CHIPSELECT; + * * If the bitbanged bus is later switched to a "native" controller, * that platform_device and controller_data should be removed. */ +#define SPI_GPIO_NO_CHIPSELECT ((unsigned long)-1l) + /** * struct spi_gpio_platform_data - parameter for bitbanged SPI master * @sck: number of the GPIO used for clock output |