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Diffstat (limited to 'arch/powerpc/kexec/core.c')
-rw-r--r--arch/powerpc/kexec/core.c40
1 files changed, 22 insertions, 18 deletions
diff --git a/arch/powerpc/kexec/core.c b/arch/powerpc/kexec/core.c
index d1a2d755381c..f86a6fc11e91 100644
--- a/arch/powerpc/kexec/core.c
+++ b/arch/powerpc/kexec/core.c
@@ -22,6 +22,9 @@
#include <asm/setup.h>
#include <asm/firmware.h>
+#define cpu_to_be_ulong __PASTE(cpu_to_be, BITS_PER_LONG)
+#define __be_word __PASTE(__be, BITS_PER_LONG)
+
#ifdef CONFIG_CRASH_DUMP
void machine_crash_shutdown(struct pt_regs *regs)
{
@@ -136,37 +139,28 @@ int __init overlaps_crashkernel(unsigned long start, unsigned long size)
}
/* Values we need to export to the second kernel via the device tree. */
-static phys_addr_t kernel_end;
-static phys_addr_t crashk_base;
-static phys_addr_t crashk_size;
-static unsigned long long mem_limit;
-
-static struct property kernel_end_prop = {
- .name = "linux,kernel-end",
- .length = sizeof(phys_addr_t),
- .value = &kernel_end,
-};
+static __be_word crashk_base;
+static __be_word crashk_size;
+static __be_word mem_limit;
static struct property crashk_base_prop = {
.name = "linux,crashkernel-base",
- .length = sizeof(phys_addr_t),
+ .length = sizeof(__be_word),
.value = &crashk_base
};
static struct property crashk_size_prop = {
.name = "linux,crashkernel-size",
- .length = sizeof(phys_addr_t),
+ .length = sizeof(__be_word),
.value = &crashk_size,
};
static struct property memory_limit_prop = {
.name = "linux,memory-limit",
- .length = sizeof(unsigned long long),
+ .length = sizeof(__be_word),
.value = &mem_limit,
};
-#define cpu_to_be_ulong __PASTE(cpu_to_be, BITS_PER_LONG)
-
static void __init export_crashk_values(struct device_node *node)
{
/* There might be existing crash kernel properties, but we can't
@@ -190,6 +184,15 @@ static void __init export_crashk_values(struct device_node *node)
mem_limit = cpu_to_be_ulong(memory_limit);
of_update_property(node, &memory_limit_prop);
}
+#endif /* CONFIG_CRASH_RESERVE */
+
+static __be_word kernel_end;
+
+static struct property kernel_end_prop = {
+ .name = "linux,kernel-end",
+ .length = sizeof(__be_word),
+ .value = &kernel_end,
+};
static int __init kexec_setup(void)
{
@@ -200,16 +203,17 @@ static int __init kexec_setup(void)
return -ENOENT;
/* remove any stale properties so ours can be found */
- of_remove_property(node, of_find_property(node, kernel_end_prop.name, NULL));
+ of_remove_property(node, of_find_property(node, kernel_end_prop.name,
+ NULL));
/* information needed by userspace when using default_machine_kexec */
kernel_end = cpu_to_be_ulong(__pa(_end));
of_add_property(node, &kernel_end_prop);
+#ifdef CONFIG_CRASH_RESERVE
export_crashk_values(node);
-
+#endif
of_node_put(node);
return 0;
}
late_initcall(kexec_setup);
-#endif /* CONFIG_CRASH_RESERVE */