[MIPS] Au1xx0: fix prom_getenv() to handle YAMON style environment Alchemy boards use YAMON which passes the environment variables as the tuples of strings (the name followed by the value) unlike PMON which passes "name=<val>" strings. Signed-off-by: Sergei Shtylyov <[e-mail]> Signed-off-by: Ralf Baechle <[e-mail]>

arch/mips/au1000/common/prom.c

···
 /*
  *
  * BRIEF MODULE DESCRIPTION
- *    PROM library initialisation code, assuming a version of
- *    pmon is the boot code.
+ *    PROM library initialisation code, assuming YAMON is the boot loader.
  *
- * Copyright 2000,2001 MontaVista Software Inc.
+ * Copyright 2000, 2001, 2006 MontaVista Software Inc.
  * Author: MontaVista Software, Inc.
  *         	[e-mail] or [e-mail]
  *
···
 
 typedef struct
 {
-    char *name;
-/*    char *val; */
-}t_env_var;
+	char *name;
+	char *val;
+} t_env_var;
 
 
 char * prom_getcmdline(void)
···
 {
 	/*
 	 * Return a pointer to the given environment variable.
-	 * Environment variables are stored in the form of "memsize=64".
 	 */
 
 	t_env_var *env = (t_env_var *)prom_envp;
-	int i;
 
-	i = strlen(envname);
-
-	while(env->name) {
-		if(strncmp(envname, env->name, i) == 0) {
-			return(env->name + strlen(envname) + 1);
-		}
+	while (env->name) {
+		if (strcmp(envname, env->name) == 0)
+			return env->val;
 		env++;
 	}
-	return(NULL);
+	return NULL;
 }
 
 inline unsigned char str2hexnum(unsigned char c)