Input: tegra-kbc - tighten locking
Take spinlock when entering ISR and timer routine to ensure that we do not race while enabling/disabling FIFO interrupts. Also we do not need to take teh spinlock in tegra_kbc_startremove() since interrupt is completely disabled. Tested-by:Rakesh Iyer <riyer@nvidia.com> Signed-off-by:
Dmitry Torokhov <dtor@mail.ru>
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