Blackfin: jtag-console: fix timer usage

Reported-by: Graeme Russ <graeme.russ@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/arch/blackfin/cpu/jtag-console.c b/arch/blackfin/cpu/jtag-console.c
index e0f2975603b67abd5785eac9ac99377237620245..a77358a88ae3c1dea4a952fdc5b3b989c0142e1d 100644 (file)
--- a/arch/blackfin/cpu/jtag-console.c
+++ b/arch/blackfin/cpu/jtag-console.c
@@ -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;