diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2014-03-14 10:26:45 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2014-03-14 10:26:45 +0100 |
| commit | 9e294427f6e427dbaf46140303acded06365f53c (patch) | |
| tree | 0669100cbd79fe8612463900171c98873d8dc454 /include/linux/spi/spi.h | |
| parent | 23600969ff137cf4c3bc9098f77e381de334e3f7 (diff) | |
| parent | fa389e220254c69ffae0d403eac4146171062d08 (diff) | |
Merge tag 'v3.14-rc6' into devel
Linux 3.14-rc6
Diffstat (limited to 'include/linux/spi/spi.h')
| -rw-r--r-- | include/linux/spi/spi.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index a1d4ca29086..4203c66d880 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -273,7 +273,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * message while queuing transfers that arrive in the meantime. When the * driver is finished with this message, it must call * spi_finalize_current_message() so the subsystem can issue the next - * transfer + * message * @unprepare_transfer_hardware: there are currently no more messages on the * queue so the subsystem notifies the driver that it may relax the * hardware by issuing this call @@ -287,7 +287,10 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * - return 1 if the transfer is still in progress. When * the driver is finished with this transfer it must * call spi_finalize_current_transfer() so the subsystem - * can issue the next transfer + * can issue the next transfer. Note: transfer_one and + * transfer_one_message are mutually exclusive; when both + * are set, the generic subsystem does not call your + * transfer_one callback. * @unprepare_message: undo any work done by prepare_message(). * @cs_gpios: Array of GPIOs to use as chip select lines; one per CS * number. Any individual value may be -ENOENT for CS lines that |