powerpc/rtas: add rtas_ibm_suspend_me()

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Now that the name is available, provide a simple wrapper for
ibm,suspend-me which returns both a Linux errno and optionally the
actual RTAS status to the caller.

Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201207215200.1785968-5-nathanl@linux.ibm.com

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Nathan Lynch 2020-12-07 15:51:36 -06:00 • committed by Michael Ellerman

parent 7049b288ea

commit 701ba68342

2 changed files with 58 additions and 0 deletions

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arch/powerpc/include/asm/rtas.h

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57

arch/powerpc/kernel/rtas.c

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