diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index 5e6ddfa..89f46f3 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -498,7 +498,7 @@
 	DBG(" -> check_legacy_serial_console()\n");
 
 	/* The user has requested a console so this is already set up. */
-	if (strstr(saved_command_line, "console=")) {
+	if (strstr(boot_command_line, "console=")) {
 		DBG(" console was specified !\n");
 		return -EBUSY;
 	}
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 3be52d6..3e86e6e 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -991,7 +991,7 @@
 	of_scan_flat_dt(early_init_dt_scan_memory, NULL);
 
 	/* Save command line for /proc/cmdline and then parse parameters */
-	strlcpy(saved_command_line, cmd_line, COMMAND_LINE_SIZE);
+	strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE);
 	parse_early_param();
 
 	/* Reserve LMB regions used by kernel, initrd, dt, etc... */
diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c
index 8f5afdb..194a93e 100644
--- a/arch/powerpc/kernel/udbg.c
+++ b/arch/powerpc/kernel/udbg.c
@@ -150,7 +150,7 @@
 {
 	if (!early_console_initialized)
 		return;
-	if (strstr(saved_command_line, "udbg-immortal")) {
+	if (strstr(boot_command_line, "udbg-immortal")) {
 		printk(KERN_INFO "early console immortal !\n");
 		return;
 	}
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index d949e9df..651fa42 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -506,8 +506,8 @@
 	if ((goodness <= current_root_goodness) &&
 	    ROOT_DEV != DEFAULT_ROOT_DEVICE)
 		return;
-	p = strstr(saved_command_line, "root=");
-	if (p != NULL && (p == saved_command_line || p[-1] == ' '))
+	p = strstr(boot_command_line, "root=");
+	if (p != NULL && (p == boot_command_line || p[-1] == ' '))
 		return;
 
 	if (!found_boot) {