On Sun, May 14, 2017 at 02:35:15PM +0200, Peter Senna Tschudin wrote:
> 18a4208 introduced a change to reduce the RX DMA latency on the first
> reception
> when the serial port was opened for reading. However it was claiming a hardirq
> unsafe lock after a hardirq safe lock which is not allowed an
18a4208 introduced a change to reduce the RX DMA latency on the first reception
when the serial port was opened for reading. However it was claiming a hardirq
unsafe lock after a hardirq safe lock which is not allowed and causes lockdep
to complain verbosely.
This patch changes the code to always
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