ide: convert ->straight8 field in ide_hwif_t to bit flag

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

include/linux/ide.h

@@ -488,7 +488,6 @@ typedef struct hwif_s {
 	u8 major;	/* our major number */
 	u8 index;	/* 0 for ide0; 1 for ide1; ... */
 	u8 channel;	/* for dual-port chips: 0=primary, 1=secondary */
-	u8 straight8;	/* Alan's straight 8 check */
 	u8 bus_state;	/* power state of the IDE bus */
 
 	u32 host_flags;
@@ -609,6 +608,7 @@ typedef struct hwif_s {
 	unsigned	reset      : 1;	/* reset after probe */
 	unsigned	sg_mapped  : 1;	/* sg_table and sg_nents are ready */
 	unsigned	mmio       : 1; /* host uses MMIO */
+	unsigned	straight8  : 1;	/* Alan's straight 8 check */
 
 	struct device	gendev;
 	struct completion gendev_rel_comp; /* To deal with device release() */