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authorNicholas Piggin <npiggin@gmail.com>2018-04-30 16:55:50 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2018-07-24 14:09:57 +0200
commitac4ac788fdadc6b703ff3322de07dee442e08e1c (patch)
treeea1fbf4f4ec19a771adf1c7ce42272cd12aea3ab /arch/powerpc/include/asm/opal.h
parentpowerpc/powernv: Remove OPALv1 support from opal console driver (diff)
downloadlinux-ac4ac788fdadc6b703ff3322de07dee442e08e1c.tar.xz
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powerpc/powernv: move opal console flushing to udbg
OPAL console writes do not have to synchronously flush firmware / hardware buffers unless they are going through the udbg path. Remove the unconditional flushing from opal_put_chars. Flush if there was no space in the buffer as an optimisation (callers loop waiting for success in that case). udbg flushing is moved to udbg_opal_putc. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/opal.h')
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