Blackfin SPI Driver: Fix erroneous SPI Clock divisor calculation

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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>

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Michael Hennerich 2009-04-06 19:00:32 -07:00 • committed by Linus Torvalds

parent 8cf5858c51

commit 7513e006c6

2 changed files with 5 additions and 0 deletions

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2

arch/blackfin/include/asm/bfin5xx_spi.h

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3

drivers/spi/spi_bfin5xx.c

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