From: Axel Lin <axel.lin@ingics.com>
Date: Thu, 29 Aug 2013 15:41:20 +0000 (+0800)
Subject: spi: altera: Use DIV_ROUND_UP to calculate hw->bytes_per_word
X-Git-Tag: v3.12-rc1~192^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f073d37de0468d517b1fb682b5bea5bfa9ce55c9;p=pandora-kernel.git

spi: altera: Use DIV_ROUND_UP to calculate hw->bytes_per_word

The Altera SPI hardware can be configured to support data width from 1 to 32
since Quartus II 8.1. To avoid truncation by integer division, use DIV_ROUND_UP
to calculate hw->bytes_per_word.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: Mark Brown <broonie@linaro.org>
---

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