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authorIngo Molnar <mingo@kernel.org>2018-11-03 23:42:16 +0100
committerIngo Molnar <mingo@kernel.org>2018-11-03 23:42:16 +0100
commit23a12ddee1ce28065b71f14ccc695b5a0c8a64ff (patch)
treecedaa1cde5b2557116e523c31552187804704093 /arch/csky/kernel/power.c
parentcompat: Cleanup in_compat_syscall() callers (diff)
parentobjtool: Support GCC 9 cold subfunction naming scheme (diff)
downloadlinux-dev-23a12ddee1ce28065b71f14ccc695b5a0c8a64ff.tar.xz
linux-dev-23a12ddee1ce28065b71f14ccc695b5a0c8a64ff.zip
Merge branch 'core/urgent' into x86/urgent, to pick up objtool fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/csky/kernel/power.c')
-rw-r--r--arch/csky/kernel/power.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/csky/kernel/power.c b/arch/csky/kernel/power.c
new file mode 100644
index 000000000000..923ee4e381b8
--- /dev/null
+++ b/arch/csky/kernel/power.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+
+#include <linux/reboot.h>
+
+void (*pm_power_off)(void);
+EXPORT_SYMBOL(pm_power_off);
+
+void machine_power_off(void)
+{
+ local_irq_disable();
+ if (pm_power_off)
+ pm_power_off();
+ asm volatile ("bkpt");
+}
+
+void machine_halt(void)
+{
+ local_irq_disable();
+ if (pm_power_off)
+ pm_power_off();
+ asm volatile ("bkpt");
+}
+
+void machine_restart(char *cmd)
+{
+ local_irq_disable();
+ do_kernel_restart(cmd);
+ asm volatile ("bkpt");
+}