From: Martin Sperl <kernel@martin.sperl.org>
Date: Wed, 29 Jul 2015 07:34:10 +0000 (+0000)
Subject: spi: bcm2835: fix overflow in calculation of transfer time
X-Git-Tag: omap-for-v4.3/fixes-merge-window~33^2~7^2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c020e378b2b388b712a40dce2da6d437d2b6e0e0;p=pandora-kernel.git

spi: bcm2835: fix overflow in calculation of transfer time

This resulted in the use of polling mode when other approaches
(dma or interrupts) would have been more appropriate.

Happened for transfers longer than 477 bytes.

Reported-by: Noralf Tronnes <noralf@tronnes.org>
Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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