[libata promise] make sure our schedule_timeout(N) are never with N==0

Make sure we delay for a minimum desired length of time.

drivers/scsi/sata_promise.c

@@ -509,7 +509,7 @@ static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe)
 
 	readl(mmio + PDC_TBG_MODE);	/* flush */
 	set_current_state(TASK_UNINTERRUPTIBLE);
-	schedule_timeout(msecs_to_jiffies(10));
+	schedule_timeout(msecs_to_jiffies(10) + 1);
 
 	/* adjust slew rate control register. */
 	tmp = readl(mmio + PDC_SLEW_CTL);

drivers/scsi/sata_sx4.c

@@ -1118,8 +1118,8 @@ static unsigned int pdc20621_prog_dimm_global(struct ata_probe_ent *pe)
 	   		error = 0;
 	   		break;     
 		}
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout((i * 100) * HZ / 1000);
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		schedule_timeout((i * 100) * HZ / 1000 + 1);
    	}
    	return error;
 }