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Diffstat (limited to 'arch/powerpc/kernel/fadump.c')
-rw-r--r--arch/powerpc/kernel/fadump.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c
index c42f89862893..5583017bbfbc 100644
--- a/arch/powerpc/kernel/fadump.c
+++ b/arch/powerpc/kernel/fadump.c
@@ -1587,6 +1587,12 @@ static void __init fadump_init_files(void)
return;
}
+ if (fw_dump.param_area) {
+ rc = sysfs_create_file(fadump_kobj, &bootargs_append_attr.attr);
+ if (rc)
+ pr_err("unable to create bootargs_append sysfs file (%d)\n", rc);
+ }
+
debugfs_create_file("fadump_region", 0444, arch_debugfs_dir, NULL,
&fadump_region_fops);
@@ -1741,7 +1747,7 @@ err_out:
* Reserve memory to store additional parameters to be passed
* for fadump/capture kernel.
*/
-static void __init fadump_setup_param_area(void)
+void __init fadump_setup_param_area(void)
{
phys_addr_t range_start, range_end;
@@ -1749,7 +1755,7 @@ static void __init fadump_setup_param_area(void)
return;
/* This memory can't be used by PFW or bootloader as it is shared across kernels */
- if (radix_enabled()) {
+ if (early_radix_enabled()) {
/*
* Anywhere in the upper half should be good enough as all memory
* is accessible in real mode.
@@ -1777,12 +1783,12 @@ static void __init fadump_setup_param_area(void)
COMMAND_LINE_SIZE,
range_start,
range_end);
- if (!fw_dump.param_area || sysfs_create_file(fadump_kobj, &bootargs_append_attr.attr)) {
+ if (!fw_dump.param_area) {
pr_warn("WARNING: Could not setup area to pass additional parameters!\n");
return;
}
- memset(phys_to_virt(fw_dump.param_area), 0, COMMAND_LINE_SIZE);
+ memset((void *)fw_dump.param_area, 0, COMMAND_LINE_SIZE);
}
/*
@@ -1808,7 +1814,6 @@ int __init setup_fadump(void)
}
/* Initialize the kernel dump memory structure and register with f/w */
else if (fw_dump.reserve_dump_area_size) {
- fadump_setup_param_area();
fw_dump.ops->fadump_init_mem_struct(&fw_dump);
register_fadump();
}