diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-04-08 10:35:30 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-08 10:35:30 +0200 |
commit | 5ea472a77f8e4811ceee3f44a9deda6ad6e8b789 (patch) | |
tree | a9ec5019e2b666a19874fc344ffb0dd5da6bce94 /include/linux/spi/spi.h | |
parent | 6c009ecef8cca28c7c09eb16d0802e37915a76e1 (diff) | |
parent | 577c9c456f0e1371cbade38eaf91ae8e8a308555 (diff) |
Merge commit 'v2.6.30-rc1' into perfcounters/core
Conflicts:
arch/powerpc/include/asm/systbl.h
arch/powerpc/include/asm/unistd.h
include/linux/init_task.h
Merge reason: the conflicts are non-trivial: PowerPC placement
of sys_perf_counter_open has to be mixed with the
new preadv/pwrite syscalls.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/spi/spi.h')
-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 68bb1c501d0..2cc43fa380c 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -204,6 +204,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * SPI slaves, and are numbered from zero to num_chipselects. * each slave has a chipselect signal, but it's common that not * every chipselect is connected to a slave. + * @dma_alignment: SPI controller constraint on DMA buffers alignment. * @setup: updates the device mode and clocking records used by a * device's SPI controller; protocol code may call this. This * must fail if an unrecognized or unsupported mode is requested. @@ -239,6 +240,11 @@ struct spi_master { */ u16 num_chipselect; + /* some SPI controllers pose alignment requirements on DMAable + * buffers; let protocol drivers know about these requirements. + */ + u16 dma_alignment; + /* setup mode and clock, etc (spi driver may call many times) */ int (*setup)(struct spi_device *spi); |