powerpc/powernv: provide a console flush operation for opal hvc driver
authorNicholas Piggin <npiggin@gmail.com>
Mon, 30 Apr 2018 14:55:58 +0000 (00:55 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 20 Aug 2018 10:19:54 +0000 (20:19 +1000)
commit95b861a76c1ded3e89d33a3d9f4552dce22e9875
tree407243710c5ee124e906a36750246c30f6dc957b
parent997dd26cb3c8b7c9b8765751cc1491ad33b2024f
powerpc/powernv: provide a console flush operation for opal hvc driver

Provide the flush hv_op for the opal hvc driver. This will flush the
firmware console buffers without spinning with interrupts disabled.

Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/opal.h
arch/powerpc/platforms/powernv/opal.c
drivers/tty/hvc/hvc_opal.c