[14/15] tty: hvc: introduce the hv_ops.flush operation for hvc drivers

[Michael Ellerman]

On Mon, 2018-04-30 at 14:55:57 UTC, Nicholas Piggin wrote:
> Use .flush to wait for drivers to flush their console outside of
> the spinlock, to reduce lock/irq latencies.
> 
> Flush the hvc console driver after each write, which can help
> messages make it out to the console after a crash.
> 
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/9f65b81f36e31563c5a5e4df3b3b8b

cheers