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| author | David Brownell <david-b@pacbell.net> | 2007-07-17 13:04:02 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-17 19:23:04 +0200 |
| commit | dccd573bb02aa011a4a7146c02c409ac0bd722a0 (patch) | |
| tree | 743eeca4fbbea8272ca4f341b806d776e404d704 /init | |
| parent | IBMASM: must depend on CONFIG_INPUT (diff) | |
| download | linux-dccd573bb02aa011a4a7146c02c409ac0bd722a0.tar.xz linux-dccd573bb02aa011a4a7146c02c409ac0bd722a0.zip | |
SPI controller drivers: check for unsupported modes
Minor SPI controller driver updates: make the setup() methods reject
spi->mode bits they don't support, by masking aginst the inverse of bits
they *do* support. This insures against misbehavior later when new mode
bits get added.
Most controllers can't support SPI_LSB_FIRST; more handle SPI_CS_HIGH.
Support for all four SPI clock/transfer modes is routine.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init')
0 files changed, 0 insertions, 0 deletions