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| author | Mark Brown <broonie@linaro.org> | 2013-09-01 16:48:48 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-09-01 16:48:48 +0400 |
| commit | db04e17055c2d912a847f02a10deee1d82f96300 (patch) | |
| tree | 532d5ad54f9bef73689dd481445b377f6a7f6735 /include/linux/spi | |
| parent | 788a73967658ff9ccbca6fffd51c213702bfc01d (diff) | |
| parent | 56ede94a000bb9635b326db38baf66da6dfc174e (diff) | |
| download | linux-db04e17055c2d912a847f02a10deee1d82f96300.tar.xz | |
Merge remote-tracking branch 'spi/topic/checks' into spi-next
Diffstat (limited to 'include/linux/spi')
| -rw-r--r-- | include/linux/spi/spi.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index c920c2f4dad5..47854f3813d8 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -233,6 +233,8 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * suported. If set, the SPI core will reject any transfer with an * unsupported bits_per_word. If not set, this value is simply ignored, * and it's up to the individual driver to perform any validation. + * @min_speed_hz: Lowest supported transfer speed + * @max_speed_hz: Highest supported transfer speed * @flags: other constraints relevant to this driver * @bus_lock_spinlock: spinlock for SPI bus locking * @bus_lock_mutex: mutex for SPI bus locking @@ -312,6 +314,10 @@ struct spi_master { #define SPI_BIT_MASK(bits) (((bits) == 32) ? ~0U : (BIT(bits) - 1)) #define SPI_BPW_RANGE_MASK(min, max) (SPI_BIT_MASK(max) - SPI_BIT_MASK(min - 1)) + /* limits on transfer speed */ + u32 min_speed_hz; + u32 max_speed_hz; + /* other constraints relevant to this driver */ u16 flags; #define SPI_MASTER_HALF_DUPLEX BIT(0) /* can't do full duplex */ |