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authorMark Brown <broonie@linaro.org>2013-07-27 12:34:24 +0100
committerMark Brown <broonie@linaro.org>2013-07-29 17:12:38 +0100
commitbafe886936a8982f5780330c901889a37bba7d4c (patch)
tree1bbc35e208a96dfb0258c2087c984d376a1b9c9e /include/linux/spi
parent9f178c22fb0e88f4e84f7a66be8326f63b91e7e3 (diff)
spi/tegra-slink: Factor runtime PM out into transfer prepare/unprepare
Currently the tegra slink driver acquires a runtime PM reference for the duration of each transfer. This may result in the IP being powered down between transfers which would be at best wasteful. Instead it is better to do this in the callbacks that are generated before and after starting a series of transfers, keeping the IP powered throughout. Signed-off-by: Mark Brown <broonie@linaro.org> Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Diffstat (limited to 'include/linux/spi')
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