From: Doug Anderson Date: Thu, 28 Aug 2014 23:43:48 +0000 (-0700) Subject: spi/rockchip: Avoid accidentally turning off the clock X-Git-Tag: fix-v3.17-io-chain-v3~6^2~1^2^8 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5d1d150d7d775db1dccb4dc4676075d456dea392;p=pandora-kernel.git spi/rockchip: Avoid accidentally turning off the clock If our client is requesting a clock that is above the maximum clock then the following division will result in 0: rs->max_freq / rs->speed We'll then program 0 into the SPI_BAUDR register. The Rockchip TRM says: "If the value is 0, the serial output clock (sclk_out) is disabled." It's much better to end up with the fastest possible clock rather than a clock that is off, so enforce a minimum value. Signed-off-by: Doug Anderson Signed-off-by: Mark Brown --- Reading git-diff-tree failed