Blackfin: jtag-console: fix timer usage

Reported-by: Graeme Russ <graeme.russ@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2011-07-04 19:25:07 -04:00
parent bb83875d5d
commit d8940a6544

View File

@ -48,11 +48,11 @@ static inline uint32_t bfin_read_emudat(void)
static bool jtag_write_emudat(uint32_t emudat)
{
static bool overflowed = false;
ulong timeout = get_timer(0) + CONFIG_JTAG_CONSOLE_TIMEOUT;
ulong timeout = get_timer(0);
while (bfin_read_DBGSTAT() & 0x1) {
if (overflowed)
return overflowed;
if (timeout < get_timer(0))
if (get_timer(timeout) > CONFIG_JTAG_CONSOLE_TIMEOUT)
overflowed = true;
}
overflowed = false;