]> git.baikalelectronics.ru Git - kernel.git/commit
spi_mpc83xx: add small delay after asserting chip-select line
authorAnton Vorontsov <avorontsov@ru.mvista.com>
Thu, 18 Jun 2009 23:49:01 +0000 (16:49 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 19 Jun 2009 23:46:04 +0000 (16:46 -0700)
commit0bbcf881692c96de8cdc311c3947202985255329
tree99e46bb86d1cecd144612d82667ef87cc2c79115
parent0efdb2a8c7bf3ed43b782dccb7b340eee1e1c780
spi_mpc83xx: add small delay after asserting chip-select line

This is needed for some underlaying GPIO controllers that may be a bit
slow, or if chip-select signal need some time to stabilize.

For what it's worth, we already have the similar delay for chip-select
de-assertion case.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: David Brownell <david-b@pacbell.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/spi/spi_mpc83xx.c