SPI: spi_txx9: Fix bit rate calculation
authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Thu, 3 Sep 2009 13:59:01 +0000 (22:59 +0900)
committerRalf Baechle <ralf@linux-mips.org>
Wed, 2 Dec 2009 23:58:32 +0000 (23:58 +0000)
commitdbf763a2f1c117cfe45bbbd2c874a150f0e0900b
tree175d8b9c1848a0923150ef1bc4ef003a9a032d2c
parent56f3f55cf9b604b924353ab6fcdac5fee5637ae3
SPI: spi_txx9: Fix bit rate calculation

TXx9 SPI bit rate is calculated by:
        fBR = (spi-baseclk) / (n + 1)
Fix calculation of min_speed_hz, max_speed_hz and n.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
drivers/spi/spi_txx9.c