diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-04-22 12:44:16 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-22 12:44:20 +0200 |
| commit | 3568b71d46bea87da1936902b6fbb2a3b1154b3d (patch) | |
| tree | 621ba4ccef15b87ce16f0fc2cc1e9b2a3f565ffc /include/linux/spi/spi.h | |
| parent | 2a3313f494c2f3f74a27d66f0f14b38558b7dba2 (diff) | |
| parent | 091069740304c979f957ceacec39c461d0192158 (diff) | |
Merge commit 'v2.6.30-rc3' into x86/urgent
Merge reason: hpet.c changed upstream, make sure we test against that
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/spi/spi.h')
| -rw-r--r-- | include/linux/spi/spi.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 2cc43fa380c..a0faa18f7b1 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -245,7 +245,12 @@ struct spi_master { */ u16 dma_alignment; - /* setup mode and clock, etc (spi driver may call many times) */ + /* Setup mode and clock, etc (spi driver may call many times). + * + * IMPORTANT: this may be called when transfers to another + * device are active. DO NOT UPDATE SHARED REGISTERS in ways + * which could break those transfers. + */ int (*setup)(struct spi_device *spi); /* bidirectional bulk transfers |