Blackfin SPI Driver: Fix erroneous SPI Clock divisor calculation
commit7513e006c64fbe2f43aef2139c8c1f2b1a9cb6b9
authorMichael Hennerich <michael.hennerich@analog.com>
Tue, 7 Apr 2009 02:00:32 +0000 (6 19:00 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 7 Apr 2009 15:31:04 +0000 (7 08:31 -0700)
tree44817ca1febd0599ea8bff50825fc58568f4e7c3
parent8cf5858c51f88208fe56b195251ab4f21265386c
Blackfin SPI Driver: Fix erroneous SPI Clock divisor calculation

Fix erroneous SPI Clock divisor calculation.  Make sure SPI_BAUD is always
>= 2.  Writing a value of 0 or 1 to the SPI_BAUD register disables the
serial clock.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/blackfin/include/asm/bfin5xx_spi.h
drivers/spi/spi_bfin5xx.c