spi: documentation tweaks
authorDavid Brownell <david-b@pacbell.net>
Wed, 9 Apr 2008 00:41:58 +0000 (17:41 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 9 Apr 2008 01:25:53 +0000 (18:25 -0700)
commit6395bee7e92bf34e95dc67c1da5acc30e8b98244
tree98a5f30911f1b28f1b9c921b9112f199fb044c43
parentf9e522caece074b9a985436d611127e8e96ad446
spi: documentation tweaks

Update SPI documentation to clarify some areas of recent confusion: clock
polarity takes effect when chipselect goes active; and zero length buffers are
OK in certain cases.

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>
Documentation/spi/spi-summary