If timeout is occurred at the while loop above,
the value of 'timeout' is -1, not 0.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
                while (timeout-- &&
                        !(smc911x_reg_read(dev, PMT_CTRL) & PMT_CTRL_READY))
                        udelay(10);
-               if (!timeout) {
+               if (timeout < 0) {
                        printf(DRIVERNAME
                                ": timeout waiting for PM restore\n");
                        return;
        while (timeout-- && smc911x_reg_read(dev, E2P_CMD) & E2P_CMD_EPC_BUSY)
                udelay(10);
 
-       if (!timeout) {
+       if (timeout < 0) {
                printf(DRIVERNAME ": reset timeout\n");
                return;
        }