[PATCH 1/3] arch: Export machine_restart() instances so they can be called from modules

[Thomas Bogendoerfer]

On Thu, Aug 05, 2021 at 08:50:30AM +0100, Lee Jones wrote:
> A recent attempt to convert the Power Reset Restart driver to tristate
> failed because of the following compile error (reported once merged by
> Stephen Rothwell via Linux Next):
> 
>   ERROR: "machine_restart" [drivers/power/reset/restart-poweroff.ko] undefined!
> 
> This error occurs since some of the machine_restart() instances are
> not currently exported for use in modules.  This patch aims to rectify
> that.
> 
> Cc: Vineet Gupta <vgupta at synopsys.com>
> Cc: Catalin Marinas <catalin.marinas at arm.com>
> Cc: Will Deacon <will at kernel.org>
> Cc: Guo Ren <guoren at kernel.org>
> Cc: Yoshinori Sato <ysato at users.sourceforge.jp>
> Cc: Brian Cain <bcain at codeaurora.org>
> Cc: Geert Uytterhoeven <geert at linux-m68k.org>
> Cc: Michal Simek <monstr at monstr.eu>
> Cc: Thomas Bogendoerfer <tsbogend at alpha.franken.de>
> Cc: John Crispin <john at phrozen.org>
> Cc: Ley Foon Tan <ley.foon.tan at intel.com>
> Cc: Jonas Bonn <jonas at southpole.se>
> Cc: Stefan Kristiansson <stefan.kristiansson at saunalahti.fi>
> Cc: Stafford Horne <shorne at gmail.com>
> Cc: James E.J. Bottomley <James.Bottomley at HansenPartnership.com>
> Cc: Helge Deller <deller at gmx.de>
> Cc: Michael Ellerman <mpe at ellerman.id.au>
> Cc: Paul Walmsley <paul.walmsley at sifive.com>
> Cc: Palmer Dabbelt <palmer at dabbelt.com>
> Cc: Albert Ou <aou at eecs.berkeley.edu>
> Cc: Heiko Carstens <hca at linux.ibm.com>
> Cc: Vasily Gorbik <gor at linux.ibm.com>
> Cc: Christian Borntraeger <borntraeger at de.ibm.com>
> Cc: Rich Felker <dalias at libc.org>
> Cc: David S. Miller <davem at davemloft.net>
> Cc: Jeff Dike <jdike at addtoit.com>
> Cc: Richard Weinberger <richard at nod.at>
> Cc: Anton Ivanov <anton.ivanov at cambridgegreys.com>
> Cc: Thomas Gleixner <tglx at linutronix.de>
> Cc: Ingo Molnar <mingo at redhat.com>
> Cc: Borislav Petkov <bp at alien8.de>
> Cc: Chris Zankel <chris at zankel.net>
> Cc: Max Filippov <jcmvbkbc at gmail.com>
> Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> Cc: Sebastian Reichel <sre at kernel.org>
> Cc: linux-snps-arc at lists.infradead.org
> Cc: linux-kernel at vger.kernel.org
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-csky at vger.kernel.org
> Cc: uclinux-h8-devel at lists.sourceforge.jp
> Cc: linux-hexagon at vger.kernel.org
> Cc: linux-m68k at lists.linux-m68k.org
> Cc: linux-mips at vger.kernel.org
> Cc: openrisc at lists.librecores.org
> Cc: linux-parisc at vger.kernel.org
> Cc: linuxppc-dev at lists.ozlabs.org
> Cc: linux-riscv at lists.infradead.org
> Cc: linux-s390 at vger.kernel.org
> Cc: linux-sh at vger.kernel.org
> Cc: sparclinux at vger.kernel.org
> Cc: linux-um at lists.infradead.org
> Cc: linux-xtensa at linux-xtensa.org
> Signed-off-by: Lee Jones <lee.jones at linaro.org>
> ---
> 
> The 2 patches this change supports have the required Acks already.
> 
> NB: If it's safe to omit some of these, let me know and I'll revise the patch.
> 
>  [...]
>  arch/mips/kernel/reset.c           | 1 +
>  arch/mips/lantiq/falcon/reset.c    | 1 +
>  arch/mips/sgi-ip27/ip27-reset.c    | 1 +

Acked-by: Thomas Bogendoerfer <tsbogend at alpha.franken.de>

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]