image: Rename load_addr, save_addr, save_size

These global variables are quite short and generic. In fact the same name
is more often used locally for struct members and function arguments.

Add a image_ prefix to make them easier to distinguish.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/bmp.c b/cmd/bmp.c
index d2a39f6..1e4c972 100644
--- a/cmd/bmp.c
+++ b/cmd/bmp.c
@@ -95,8 +95,8 @@
 	ulong addr;
 
 	switch (argc) {
-	case 1:		/* use load_addr as default address */
-		addr = load_addr;
+	case 1:		/* use image_load_addr as default address */
+		addr = image_load_addr;
 		break;
 	case 2:		/* use argument */
 		addr = simple_strtoul(argv[1], NULL, 16);
@@ -116,8 +116,8 @@
 	splash_get_pos(&x, &y);
 
 	switch (argc) {
-	case 1:		/* use load_addr as default address */
-		addr = load_addr;
+	case 1:		/* use image_load_addr as default address */
+		addr = image_load_addr;
 		break;
 	case 2:		/* use argument */
 		addr = simple_strtoul(argv[1], NULL, 16);
diff --git a/cmd/booti.c b/cmd/booti.c
index d0671de..de50582 100644
--- a/cmd/booti.c
+++ b/cmd/booti.c
@@ -30,9 +30,9 @@
 
 	/* Setup Linux kernel Image entry point */
 	if (!argc) {
-		ld = load_addr;
+		ld = image_load_addr;
 		debug("*  kernel: default image load address = 0x%08lx\n",
-				load_addr);
+				image_load_addr);
 	} else {
 		ld = simple_strtoul(argv[0], NULL, 16);
 		debug("*  kernel: cmdline image address = 0x%08lx\n", ld);
diff --git a/cmd/bootm.c b/cmd/bootm.c
index 62ee7c4..931d53f 100644
--- a/cmd/bootm.c
+++ b/cmd/bootm.c
@@ -144,7 +144,8 @@
 		char *local_args[2];
 		local_args[0] = (char *)cmd;
 		local_args[1] = NULL;
-		printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
+		printf("Automatic boot of image at addr 0x%08lX ...\n",
+		       image_load_addr);
 		return do_bootm(cmdtp, 0, 1, local_args);
 	}
 
@@ -232,7 +233,7 @@
 	int	rcode = 0;
 
 	if (argc < 2) {
-		return image_info(load_addr);
+		return image_info(image_load_addr);
 	}
 
 	for (arg = 1; arg < argc; ++arg) {
diff --git a/cmd/bootz.c b/cmd/bootz.c
index 74be62c..7bfc491 100644
--- a/cmd/bootz.c
+++ b/cmd/bootz.c
@@ -33,9 +33,9 @@
 
 	/* Setup Linux kernel zImage entry point */
 	if (!argc) {
-		images->ep = load_addr;
+		images->ep = image_load_addr;
 		debug("*  kernel: default image load address = 0x%08lx\n",
-				load_addr);
+				image_load_addr);
 	} else {
 		images->ep = simple_strtoul(argv[0], NULL, 16);
 		debug("*  kernel: cmdline image address = 0x%08lx\n",
diff --git a/cmd/cramfs.c b/cmd/cramfs.c
index 2188910..1bc9875 100644
--- a/cmd/cramfs.c
+++ b/cmd/cramfs.c
@@ -97,7 +97,7 @@
 {
 	char *filename;
 	int size;
-	ulong offset = load_addr;
+	ulong offset = image_load_addr;
 	char *offset_virt;
 
 	struct part_info part;
@@ -127,7 +127,7 @@
 	}
 	if (argc == 3) {
 		offset = simple_strtoul(argv[1], NULL, 0);
-		load_addr = offset;
+		image_load_addr = offset;
 		filename = argv[2];
 	}
 
diff --git a/cmd/disk.c b/cmd/disk.c
index 437c175..c57561b 100644
--- a/cmd/disk.c
+++ b/cmd/disk.c
@@ -124,7 +124,7 @@
 	flush_cache(addr, (cnt+1)*info.blksz);
 
 	/* Loading ok, update default load address */
-	load_addr = addr;
+	image_load_addr = addr;
 
 	return bootm_maybe_autostart(cmdtp, argv[0]);
 }
diff --git a/cmd/elf.c b/cmd/elf.c
index 32f12a7..57736f9 100644
--- a/cmd/elf.c
+++ b/cmd/elf.c
@@ -294,7 +294,7 @@
 		/* Consume address */
 		argc--; argv++;
 	} else
-		addr = load_addr;
+		addr = image_load_addr;
 
 	if (!valid_elf_image(addr))
 		return 1;
@@ -348,7 +348,7 @@
 	 * If we don't know where the image is then we're done.
 	 */
 	if (argc < 2)
-		addr = load_addr;
+		addr = image_load_addr;
 	else
 		addr = simple_strtoul(argv[1], NULL, 16);
 
diff --git a/cmd/jffs2.c b/cmd/jffs2.c
index b47cd3d..672ed43 100644
--- a/cmd/jffs2.c
+++ b/cmd/jffs2.c
@@ -476,7 +476,7 @@
 	char *filename;
 	int size;
 	struct part_info *part;
-	ulong offset = load_addr;
+	ulong offset = image_load_addr;
 
 	/* pre-set Boot file name */
 	filename = env_get("bootfile");
@@ -488,7 +488,7 @@
 	}
 	if (argc == 3) {
 		offset = simple_strtoul(argv[1], NULL, 16);
-		load_addr = offset;
+		image_load_addr = offset;
 		filename = argv[2];
 	}
 
diff --git a/cmd/load.c b/cmd/load.c
index 68ff301..bed973e 100644
--- a/cmd/load.c
+++ b/cmd/load.c
@@ -109,7 +109,7 @@
 		rcode = 1;
 	} else {
 		printf("## Start Addr      = 0x%08lX\n", addr);
-		load_addr = addr;
+		image_load_addr = addr;
 	}
 
 #ifdef	CONFIG_SYS_LOADS_BAUD_CHANGE
@@ -485,12 +485,12 @@
 		addr = load_serial_bin(offset);
 
 		if (addr == ~0) {
-			load_addr = 0;
+			image_load_addr = 0;
 			printf("## Binary (kermit) download aborted\n");
 			rcode = 1;
 		} else {
 			printf("## Start Addr      = 0x%08lX\n", addr);
-			load_addr = addr;
+			image_load_addr = addr;
 		}
 	}
 	if (load_baudrate != current_baudrate) {
diff --git a/cmd/mvebu/bubt.c b/cmd/mvebu/bubt.c
index 84d2d53..6c68620 100644
--- a/cmd/mvebu/bubt.c
+++ b/cmd/mvebu/bubt.c
@@ -423,8 +423,10 @@
 #ifdef CONFIG_CMD_NET
 static size_t tftp_read_file(const char *file_name)
 {
-	/* update global variable load_addr before tftp file from network */
-	load_addr = get_load_addr();
+	/*
+	 * update global variable image_load_addr before tftp file from network
+	 */
+	image_load_addr = get_load_addr();
 	return net_loop(TFTPGET);
 }
 
diff --git a/cmd/nand.c b/cmd/nand.c
index 5bda69e..92089a7 100644
--- a/cmd/nand.c
+++ b/cmd/nand.c
@@ -925,7 +925,7 @@
 
 	/* Loading ok, update default load address */
 
-	load_addr = addr;
+	image_load_addr = addr;
 
 	return bootm_maybe_autostart(cmdtp, cmd);
 }
diff --git a/cmd/net.c b/cmd/net.c
index 2374039..6bce214 100644
--- a/cmd/net.c
+++ b/cmd/net.c
@@ -186,10 +186,10 @@
 
 	net_boot_file_name_explicit = false;
 
-	/* pre-set load_addr */
+	/* pre-set image_load_addr */
 	s = env_get("loadaddr");
 	if (s != NULL)
-		load_addr = simple_strtoul(s, NULL, 16);
+		image_load_addr = simple_strtoul(s, NULL, 16);
 
 	switch (argc) {
 	case 1:
@@ -206,7 +206,7 @@
 		 */
 		addr = simple_strtoul(argv[1], &end, 16);
 		if (end == (argv[1] + strlen(argv[1]))) {
-			load_addr = addr;
+			image_load_addr = addr;
 			/* refresh bootfile name from env */
 			copy_filename(net_boot_file_name, env_get("bootfile"),
 				      sizeof(net_boot_file_name));
@@ -218,7 +218,7 @@
 		break;
 
 	case 3:
-		load_addr = simple_strtoul(argv[1], NULL, 16);
+		image_load_addr = simple_strtoul(argv[1], NULL, 16);
 		net_boot_file_name_explicit = true;
 		copy_filename(net_boot_file_name, argv[2],
 			      sizeof(net_boot_file_name));
@@ -227,8 +227,8 @@
 
 #ifdef CONFIG_CMD_TFTPPUT
 	case 4:
-		if (strict_strtoul(argv[1], 16, &save_addr) < 0 ||
-		    strict_strtoul(argv[2], 16, &save_size) < 0) {
+		if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 ||
+		    strict_strtoul(argv[2], 16, &image_save_size) < 0) {
 			printf("Invalid address/size\n");
 			return CMD_RET_USAGE;
 		}
diff --git a/cmd/pxe_utils.c b/cmd/pxe_utils.c
index a636346..ff8b0dc 100644
--- a/cmd/pxe_utils.c
+++ b/cmd/pxe_utils.c
@@ -1310,9 +1310,9 @@
 #ifdef CONFIG_CMD_BMP
 	/* display BMP if available */
 	if (cfg->bmp) {
-		if (get_relfile(cmdtp, cfg->bmp, load_addr)) {
+		if (get_relfile(cmdtp, cfg->bmp, image_load_addr)) {
 			run_command("cls", 0);
-			bmp_display(load_addr,
+			bmp_display(image_load_addr,
 				    BMP_ALIGN_CENTER, BMP_ALIGN_CENTER);
 		} else {
 			printf("Skipping background bmp %s for failure\n",
diff --git a/cmd/reiser.c b/cmd/reiser.c
index 7f51b92..598fab4 100644
--- a/cmd/reiser.c
+++ b/cmd/reiser.c
@@ -154,7 +154,7 @@
 	}
 
 	/* Loading ok, update default load address */
-	load_addr = addr;
+	image_load_addr = addr;
 
 	printf ("\n%ld bytes read\n", filelen);
 	env_set_hex("filesize", filelen);
diff --git a/cmd/source.c b/cmd/source.c
index 3a51ebf..be11350 100644
--- a/cmd/source.c
+++ b/cmd/source.c
@@ -172,7 +172,8 @@
 		addr = CONFIG_SYS_LOAD_ADDR;
 		debug ("*  source: default load address = 0x%08lx\n", addr);
 #if defined(CONFIG_FIT)
-	} else if (fit_parse_subimage (argv[1], load_addr, &addr, &fit_uname)) {
+	} else if (fit_parse_subimage(argv[1], image_load_addr, &addr,
+				      &fit_uname)) {
 		debug ("*  source: subimage '%s' from FIT image at 0x%08lx\n",
 				fit_uname, addr);
 #endif
diff --git a/cmd/ximg.c b/cmd/ximg.c
index 22b2037..dccd114 100644
--- a/cmd/ximg.c
+++ b/cmd/ximg.c
@@ -33,7 +33,7 @@
 static int
 do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 {
-	ulong		addr = load_addr;
+	ulong		addr = image_load_addr;
 	ulong		dest = 0;
 	ulong		data, len;
 	int		verify;
diff --git a/cmd/zfs.c b/cmd/zfs.c
index ed5402b..1533130 100644
--- a/cmd/zfs.c
+++ b/cmd/zfs.c
@@ -112,7 +112,7 @@
 	zfs_close(&zfile);
 
 	/* Loading ok, update default load address */
-	load_addr = addr;
+	image_load_addr = addr;
 
 	printf("%llu bytes read\n", zfile.size);
 	env_set_hex("filesize", zfile.size);