Revert "of: fdt: Honor CONFIG_CMDLINE* even without /chosen node"

This reverts commit a7d550f82b445cf218b47a2c1a9c56e97ecb8c7a.

Some arches (PPC at least) don't call early_init_dt_scan_nodes(), so
moving the cmdline processing there breaks them.

Reported-by: Geoff Levand <[e-mail]>
Cc: Alexander Sverdlin <[e-mail]>
Tested-by: Geoff Levand <[e-mail]>
Reviewed-by: Alexander Sverdlin <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Rob Herring <[e-mail]>

drivers/of/fdt.c

···
 	if (p != NULL && l > 0)
 		strscpy(cmdline, p, min(l, COMMAND_LINE_SIZE));
 
+	/*
+	 * CONFIG_CMDLINE is meant to be a default in case nothing else
+	 * managed to set the command line, unless CONFIG_CMDLINE_FORCE
+	 * is set in which case we override whatever was found earlier.
+	 */
+#ifdef CONFIG_CMDLINE
+#if defined(CONFIG_CMDLINE_EXTEND)
+	strlcat(cmdline, " ", COMMAND_LINE_SIZE);
+	strlcat(cmdline, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
+#elif defined(CONFIG_CMDLINE_FORCE)
+	strscpy(cmdline, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
+#else
+	/* No arguments from boot loader, use kernel's  cmdl*/
+	if (!((char *)cmdline)[0])
+		strscpy(cmdline, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
+#endif
+#endif /* CONFIG_CMDLINE */
+
+	pr_debug("Command line is: %s\n", (char *)cmdline);
+
 	rng_seed = of_get_flat_dt_prop(node, "rng-seed", &l);
 	if (rng_seed && l > 0) {
 		add_bootloader_randomness(rng_seed, l);
···
 	rc = early_init_dt_scan_chosen(boot_command_line);
 	if (rc)
 		pr_warn("No chosen node found, continuing without\n");
-
-	/*
-	 * CONFIG_CMDLINE is meant to be a default in case nothing else
-	 * managed to set the command line, unless CONFIG_CMDLINE_FORCE
-	 * is set in which case we override whatever was found earlier.
-	 */
-#ifdef CONFIG_CMDLINE
-#if defined(CONFIG_CMDLINE_EXTEND)
-	strlcat(boot_command_line, " ", COMMAND_LINE_SIZE);
-	strlcat(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
-#elif defined(CONFIG_CMDLINE_FORCE)
-	strscpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
-#else
-	/* No arguments from boot loader, use kernel's cmdl */
-	if (!boot_command_line[0])
-		strscpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
-#endif
-#endif /* CONFIG_CMDLINE */
-
-	pr_debug("Command line is: %s\n", boot_command_line);
 
 	/* Setup memory, calling early_init_dt_add_memory_arch */
 	early_init_dt_scan_memory();