ide: add ide_read_[alt]status() inline helpers

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 2f66aaa..d212492 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1309,4 +1309,18 @@
 	drive->hwif->OUTB(drive->ctl | (on ? 0 : 2), IDE_CONTROL_REG);
 }
 
+static inline u8 ide_read_status(ide_drive_t *drive)
+{
+	ide_hwif_t *hwif = drive->hwif;
+
+	return hwif->INB(hwif->io_ports[IDE_STATUS_OFFSET]);
+}
+
+static inline u8 ide_read_altstatus(ide_drive_t *drive)
+{
+	ide_hwif_t *hwif = drive->hwif;
+
+	return hwif->INB(hwif->io_ports[IDE_CONTROL_OFFSET]);
+}
+
 #endif /* _IDE_H */