MIPS: PowerTV: simplify prom_init_cmdline() and merge into prom_init()

Signed-off-by: NYoichi Yuasa <yuasa@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/801/Reviewed-by: NDavid VomLehn <dvomlehn@cisco.com>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/powertv/Makefile

@@ -23,6 +23,6 @@
 # under Linux.
 #
 
-obj-y += cmdline.o init.o memory.o reset.o time.o powertv_setup.o asic/ pci/
+obj-y += init.o memory.o reset.o time.o powertv_setup.o asic/ pci/
 
 EXTRA_CFLAGS += -Wall -Werror

arch/mips/powertv/cmdline.c

-/*
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
- * Portions copyright (C) 2009 Cisco Systems, Inc.
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Kernel command line creation using the prom monitor (YAMON) argc/argv.
- */
-#include <linux/init.h>
-#include <linux/string.h>
-
-#include <asm/bootinfo.h>
-
-#include "init.h"
-
-/*
- * YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer.
- * This macro take care of sign extension.
- */
-#define prom_argv(index) ((char *)(long)_prom_argv[(index)])
-
-void  __init prom_init_cmdline(void)
-{
-	int len;
-
-	if (prom_argc != 1)
-		return;
-
-	len = strlen(arcs_cmdline);
-
-	arcs_cmdline[len] = ' ';
-
-	strlcpy(arcs_cmdline + len + 1, (char *)_prom_argv,
-		COMMAND_LINE_SIZE - len - 1);
-}

arch/mips/powertv/init.c

@@ -34,10 +34,7 @@
 #include <asm/mips-boards/generic.h>
 #include <asm/mach-powertv/asic.h>
 
-#include "init.h"
-
-int prom_argc;
-int *_prom_argv, *_prom_envp;
+static int *_prom_envp;
 unsigned long _prom_memsize;
 
 /*
@@ -109,8 +106,11 @@ static void __init mips_ejtag_setup(void)
 
 void __init prom_init(void)
 {
+	int prom_argc;
+	char *prom_argv;
+
 	prom_argc = fw_arg0;
-	_prom_argv = (int *) fw_arg1;
+	prom_argv = (char *) fw_arg1;
 	_prom_envp = (int *) fw_arg2;
 	_prom_memsize = (unsigned long) fw_arg3;
 
@@ -118,7 +118,10 @@ void __init prom_init(void)
 	board_ejtag_handler_setup = mips_ejtag_setup;
 
 	pr_info("\nLINUX started...\n");
-	prom_init_cmdline();
+
+	if (prom_argc == 1)
+		strlcat(arcs_cmdline, prom_argv, COMMAND_LINE_SIZE);
+
 	configure_platform();
 	prom_meminit();
 

arch/mips/powertv/init.h

@@ -22,7 +22,5 @@
 
 #ifndef _POWERTV_INIT_H
 #define _POWERTV_INIT_H
-extern int prom_argc;
-extern int *_prom_argv;
 extern unsigned long _prom_memsize;
 #endif