1 files changed, 4 insertions, 5 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 2300fcc37f80..6c003d852a88 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -746,9 +746,8 @@ extern int ata_scsi_device_suspend(struct scsi_device *, pm_message_t mesg);
 extern int ata_host_suspend(struct ata_host *host, pm_message_t mesg);
 extern void ata_host_resume(struct ata_host *host);
 extern int ata_ratelimit(void);
-extern unsigned int ata_busy_sleep(struct ata_port *ap,
-                                   unsigned long timeout_pat,
-                                   unsigned long timeout);
+extern int ata_busy_sleep(struct ata_port *ap,
+                          unsigned long timeout_pat, unsigned long timeout);
 extern void ata_port_queue_task(struct ata_port *ap, void (*fn)(void *),
                                 void *data, unsigned long delay);
 extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val,
@@ -1064,7 +1063,7 @@ static inline u8 ata_busy_wait(struct ata_port *ap, unsigned int bits,
                 udelay(10);
                 status = ata_chk_status(ap);
                 max--;
-        } while ((status & bits) && (max > 0));
+        } while (status != 0xff && (status & bits) && (max > 0));
 
         return status;
 }
@@ -1085,7 +1084,7 @@ static inline u8 ata_wait_idle(struct ata_port *ap)
 {
         u8 status = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
 
-        if (status & (ATA_BUSY | ATA_DRQ)) {
+        if (status != 0xff && (status & (ATA_BUSY | ATA_DRQ))) {
                 unsigned long l = ap->ioaddr.status_addr;
                 if (ata_msg_warn(ap))
                         printk(KERN_WARNING "ATA: abnormal status 0x%X on port 0x%lX\n",