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| author | David S. Miller <davem@davemloft.net> | 2010-09-08 23:49:04 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-09-08 23:49:04 -0700 |
| commit | e199e6136ce6b151e6638ae93dca60748424d900 (patch) | |
| tree | 0d66e0b5d227c36b005e4f5537f4bbcfc6ed4904 /include/linux/spi/spi_gpio.h | |
| parent | 972c40b5bee429c84ba727f8ac0a08292bc5dc3d (diff) | |
| parent | d56557af19867edb8c0e96f8e26399698a08857f (diff) | |
| download | op-kernel-dev-e199e6136ce6b151e6638ae93dca60748424d900.zip op-kernel-dev-e199e6136ce6b151e6638ae93dca60748424d900.tar.gz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/spi/spi_gpio.h')
| -rw-r--r-- | include/linux/spi/spi_gpio.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/spi/spi_gpio.h b/include/linux/spi/spi_gpio.h index ca6782e..369b3d7 100644 --- a/include/linux/spi/spi_gpio.h +++ b/include/linux/spi/spi_gpio.h @@ -29,11 +29,16 @@ * SPI_GPIO_NO_CHIPSELECT to the controller_data: * .controller_data = (void *) SPI_GPIO_NO_CHIPSELECT; * + * If the MISO or MOSI pin is not available then it should be set to + * SPI_GPIO_NO_MISO or SPI_GPIO_NO_MOSI. + * * 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) +#define SPI_GPIO_NO_MISO ((unsigned long)-1l) +#define SPI_GPIO_NO_MOSI ((unsigned long)-1l) /** * struct spi_gpio_platform_data - parameter for bitbanged SPI master |
