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(parent: 815a69c) | patch
spi: bcm2835: fix overflow in calculation of transfer time
authorMartin Sperl <kernel@martin.sperl.org>
Wed, 29 Jul 2015 07:34:10 +0000 (07:34 +0000)
committerMark Brown <broonie@kernel.org>
Wed, 29 Jul 2015 17:22:04 +0000 (18:22 +0100)
commite2a506a2190b48992caf580dbb3e7a10889a6314
treee0d0148086629dd8ffec2403d1882d02173700fetree | snapshot
parent815a69c8d2a66a8cd539db4d470e9fa487bcaf5ccommit | diff
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>
drivers/spi/spi-bcm2835.c diff | blob | history
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