Unverified Commit 7b16831d authored by Thomas Bogendoerfer's avatar Thomas Bogendoerfer Committed by Paul Burton
Browse files

MIPS: arc: use function argument for passing argc/argv to prom_init_cmdline



prom_argc and prom_argv are only used by prom_init_cmdline(), so
we could pass them directly as function argument.

Signed-off-by: default avatarThomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: default avatarPaul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
parent cbd09241
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+11 −5
Original line number Diff line number Diff line
@@ -17,6 +17,12 @@

#undef DEBUG_CMDLINE

/*
 * A 32-bit ARC PROM pass arguments and environment as 32-bit pointer.
 * These macro take care of sign extension.
 */
#define prom_argv(index) ((char *) (long)argv[(index)])

static char *ignored[] = {
	"ConsoleIn=",
	"ConsoleOut=",
@@ -32,14 +38,14 @@ static char *used_arc[][2] = {
	{ "OSLoadOptions=", "" }
};

static char * __init move_firmware_args(char* cp)
static char __init *move_firmware_args(int argc, LONG *argv, char *cp)
{
	char *s;
	int actr, i;

	actr = 1; /* Always ignore argv[0] */

	while (actr < prom_argc) {
	while (actr < argc) {
		for(i = 0; i < ARRAY_SIZE(used_arc); i++) {
			int len = strlen(used_arc[i][0]);

@@ -64,7 +70,7 @@ static char * __init move_firmware_args(char* cp)
	return cp;
}

void __init prom_init_cmdline(void)
void __init prom_init_cmdline(int argc, LONG *argv)
{
	char *cp;
	int actr, i;
@@ -76,9 +82,9 @@ void __init prom_init_cmdline(void)
	 * Move ARC variables to the beginning to make sure they can be
	 * overridden by later arguments.
	 */
	cp = move_firmware_args(cp);
	cp = move_firmware_args(argc, argv, cp);

	while (actr < prom_argc) {
	while (actr < argc) {
		for (i = 0; i < ARRAY_SIZE(ignored); i++) {
			int len = strlen(ignored[i]);

+1 −6
Original line number Diff line number Diff line
@@ -18,8 +18,6 @@

/* Master romvec interface. */
struct linux_romvec *romvec;
int prom_argc;
LONG *_prom_argv;

#if defined(CONFIG_64BIT) && defined(CONFIG_FW_ARC32)
/* stack for calling 32bit ARC prom */
@@ -32,9 +30,6 @@ void __init prom_init(void)

	romvec = ROMVECTOR;

	prom_argc = fw_arg0;
	_prom_argv = (LONG *) fw_arg1;

	if (pb->magic != 0x53435241) {
		printk(KERN_CRIT "Aieee, bad prom vector magic %08lx\n",
		       (unsigned long) pb->magic);
@@ -42,7 +37,7 @@ void __init prom_init(void)
			;
	}

	prom_init_cmdline();
	prom_init_cmdline(fw_arg0, (LONG *)fw_arg1);
	prom_identify_arch();
	printk(KERN_INFO "PROMLIB: ARC firmware Version %d Revision %d\n",
	       pb->ver, pb->rev);
+1 −8
Original line number Diff line number Diff line
@@ -15,13 +15,6 @@
#include <asm/sgiarcs.h>

extern struct linux_romvec *romvec;
extern int prom_argc;

extern LONG *_prom_argv;

/* A 32-bit ARC PROM pass arguments and environment as 32-bit pointer.
   These macros take care of sign extension.  */
#define prom_argv(index) ((char *) (long) _prom_argv[(index)])

extern int prom_flags;

@@ -55,7 +48,7 @@ extern void prom_identify_arch(void);
extern PCHAR ArcGetEnvironmentVariable(PCHAR name);

/* ARCS command line parsing. */
extern void prom_init_cmdline(void);
extern void prom_init_cmdline(int argc, LONG *argv);

/* File operations. */
extern LONG ArcRead(ULONG fd, PVOID buf, ULONG num, PULONG cnt);