diff options
| author | Takashi Iwai <tiwai@suse.de> | 2010-08-18 15:17:52 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-08-18 15:17:52 +0200 |
| commit | e7cfbea9cb7a02ea29fdae5d39c9e3d09102c4d5 (patch) | |
| tree | 37c20ec03e70dc7b5df1d02f16b6ac38d8ed1364 /include/linux/spi/spi_gpio.h | |
| parent | 7ac03db84baa204d7d280401ed65842541ed1078 (diff) | |
| parent | 56385a12d9bb9e173751f74b6c430742018cafc0 (diff) | |
Merge branch 'fix/misc' into topic/misc
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 ca6782ee4b9f..369b3d7d5b95 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 |