In case we do not implement a _machine_kexec_shutdown callback to do
platform specific kexec shutdown operations, the most sensible thing to
do is to provide the kexec'd kernel with the same arguments we initially
booted with.
Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
---
arch/mips/kernel/machine_kexec.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/mips/kernel/machine_kexec.c b/arch/mips/kernel/machine_kexec.c
index 8b574bcd39ba..8c5bbf302ab1 100644
--- a/arch/mips/kernel/machine_kexec.c
+++ b/arch/mips/kernel/machine_kexec.c
@@ -11,6 +11,7 @@
#include <linux/delay.h>
#include <asm/cacheflush.h>
+#include <asm/bootinfo.h>
#include <asm/page.h>
extern const unsigned char relocate_new_kernel[];
@@ -66,8 +67,14 @@ machine_kexec_cleanup(struct kimage *kimage)
void
machine_shutdown(void)
{
- if (_machine_kexec_shutdown)
+ if (_machine_kexec_shutdown) {
_machine_kexec_shutdown();
+ } else {
+ kexec_args[0] = fw_arg0;
+ kexec_args[1] = fw_arg1;
+ kexec_args[2] = fw_arg2;
+ kexec_args[3] = fw_arg3;
+ }
}
void
--
2.9.3
