Commit 3320648e authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Paul Walmsley
Browse files

riscv: cleanup the default power off implementation 



Move the sbi poweroff to a separate function and file that is only
compiled if CONFIG_SBI is set.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarAnup Patel <anup@brainfault.org>
Reviewed-by: default avatarAtish Patra <atish.patra@wdc.com>
[paul.walmsley@sifive.com: split the WFI fix into a separate patch]
Signed-off-by: default avatarPaul Walmsley <paul.walmsley@sifive.com>
parent 3b03ac6b

arch/riscv/kernel/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -41,5 +41,6 @@ obj-$(CONFIG_DYNAMIC_FTRACE) += mcount-dyn.o 
obj-$(CONFIG_PERF_EVENTS)	+= perf_event.o

obj-$(CONFIG_PERF_EVENTS)	+= perf_callchain.o

obj-$(CONFIG_HAVE_PERF_REGS)	+= perf_regs.o

obj-$(CONFIG_RISCV_SBI)		+= sbi.o



clean:

arch/riscv/kernel/reset.c

+0 −2
Original line number Diff line number Diff line
@@ -5,11 +5,9 @@ 


#include <linux/reboot.h>

#include <linux/pm.h>

#include <asm/sbi.h>



static void default_power_off(void)

{

	sbi_shutdown();

	while (1)

		wait_for_interrupt();

}

arch/riscv/kernel/sbi.c

0 → 100644
+17 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only



#include <linux/init.h>

#include <linux/pm.h>

#include <asm/sbi.h>



static void sbi_power_off(void)

{

	sbi_shutdown();

}



static int __init sbi_init(void)

{

	pm_power_off = sbi_power_off;

	return 0;

}

early_initcall(sbi_init);