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i2c: tegra: Prevent interrupt triggering after transfer timeout
[ Upstream commit b5d5605 ] Potentially it is possible that interrupt may fire after transfer timeout. That may not end up well for the next transfer because interrupt handling may race with hardware resetting. This is very unlikely to happen in practice, but anyway let's prevent the potential problem by enabling interrupt only at the moments when it is actually necessary to get some interrupt event. Tested-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
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