#include <common.h>
#include <command.h>
-int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
ulong start = get_timer(0);
ulong delay;
- if (argc != 2) {
- cmd_usage(cmdtp);
- return 1;
- }
+ if (argc != 2)
+ return cmd_usage(cmdtp);
delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
while (get_timer(start) < delay) {
- if (ctrlc ()) {
+ if (ctrlc ())
return (-1);
- }
+
udelay (100);
}