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-rw-r--r--arch/powerpc/kernel/prom.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 9aac77ca3167..fddc9c13bff5 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -29,6 +29,7 @@
#include <linux/initrd.h>
#include <linux/bitops.h>
#include <linux/module.h>
+#include <linux/kexec.h>
#include <asm/prom.h>
#include <asm/rtas.h>
@@ -1198,6 +1199,16 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
}
#endif /* CONFIG_PPC_RTAS */
+#ifdef CONFIG_KEXEC
+ lprop = (u64*)of_get_flat_dt_prop(node, "linux,crashkernel-base", NULL);
+ if (lprop)
+ crashk_res.start = *lprop;
+
+ lprop = (u64*)of_get_flat_dt_prop(node, "linux,crashkernel-size", NULL);
+ if (lprop)
+ crashk_res.end = crashk_res.start + *lprop - 1;
+#endif
+
/* break now */
return 1;
}