Fix:
flash.c: In function 'write_word':
flash.c:542:15: warning: variable 'last' set but not used
[-Wunused-but-set-variable]
Signed-off-by: Wolfgang Denk <wd@denx.de>
 static int write_word(flash_info_t *info, ulong dest, ulong data)
 {
        ulong addr = (ulong) (info->start[0]);
-       ulong start, last;
+       ulong start;
        int flag;
        ulong i;
        int data_short[2];
                                enable_interrupts();
 
                        start = get_timer(0);
-                       last = start;
                        while ((my_in_8((unsigned char *)(dest + i))) !=
                               (data_ch[i])) {
                                if (get_timer(start) >
                        enable_interrupts();
 
                start = get_timer(0);
-               last = start;
                while ((my_in_be16((unsigned short *)(dest + (i * 2)))) !=
                                                        (data_short[i])) {
                        if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)