[S390] cio: move options to io_sch_private

Move the options member from struct subchannel to
io_subchannel_private since it's I/O subchannel specific.
Also remove the unused cio_get_options function.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

drivers/s390/cio/cio.c

@@ -84,29 +84,14 @@ out_unregister:
 
 arch_initcall (cio_debug_init);
 
-int
-cio_set_options (struct subchannel *sch, int flags)
+int cio_set_options(struct subchannel *sch, int flags)
 {
-       sch->options.suspend = (flags & DOIO_ALLOW_SUSPEND) != 0;
-       sch->options.prefetch = (flags & DOIO_DENY_PREFETCH) != 0;
-       sch->options.inter = (flags & DOIO_SUPPRESS_INTER) != 0;
-       return 0;
-}
+	struct io_subchannel_private *priv = to_io_private(sch);
 
-/* FIXME: who wants to use this? */
-int
-cio_get_options (struct subchannel *sch)
-{
-       int flags;
-
-       flags = 0;
-       if (sch->options.suspend)
-		flags |= DOIO_ALLOW_SUSPEND;
-       if (sch->options.prefetch)
-		flags |= DOIO_DENY_PREFETCH;
-       if (sch->options.inter)
-		flags |= DOIO_SUPPRESS_INTER;
-       return flags;
+	priv->options.suspend = (flags & DOIO_ALLOW_SUSPEND) != 0;
+	priv->options.prefetch = (flags & DOIO_DENY_PREFETCH) != 0;
+	priv->options.inter = (flags & DOIO_SUPPRESS_INTER) != 0;
+	return 0;
 }
 
 static int
@@ -139,21 +124,21 @@ cio_start_key (struct subchannel *sch,	/* subchannel structure */
 	       __u8 lpm,		/* logical path mask */
 	       __u8 key)                /* storage key */
 {
+	struct io_subchannel_private *priv = to_io_private(sch);
+	union orb *orb = &priv->orb;
 	int ccode;
-	union orb *orb;
 
 	CIO_TRACE_EVENT(5, "stIO");
 	CIO_TRACE_EVENT(5, dev_name(&sch->dev));
 
-	orb = &to_io_private(sch)->orb;
 	memset(orb, 0, sizeof(union orb));
 	/* sch is always under 2G. */
 	orb->cmd.intparm = (u32)(addr_t)sch;
 	orb->cmd.fmt = 1;
 
-	orb->cmd.pfch = sch->options.prefetch == 0;
-	orb->cmd.spnd = sch->options.suspend;
-	orb->cmd.ssic = sch->options.suspend && sch->options.inter;
+	orb->cmd.pfch = priv->options.prefetch == 0;
+	orb->cmd.spnd = priv->options.suspend;
+	orb->cmd.ssic = priv->options.suspend && priv->options.inter;
 	orb->cmd.lpm = (lpm != 0) ? lpm : sch->lpm;
 #ifdef CONFIG_64BIT
 	/*

drivers/s390/cio/cio.h

@@ -84,13 +84,6 @@ struct subchannel {
 		SUBCHANNEL_TYPE_MSG = 2,
 		SUBCHANNEL_TYPE_ADM = 3,
 	} st;			/* subchannel type */
-
-	struct {
-		unsigned int suspend:1; /* allow suspend */
-		unsigned int prefetch:1;/* deny prefetch */
-		unsigned int inter:1;   /* suppress intermediate interrupts */
-	} __attribute__ ((packed)) options;
-
 	__u8 vpm;		/* verified path mask */
 	__u8 lpm;		/* logical path mask */
 	__u8 opm;               /* operational path mask */
@@ -118,7 +111,6 @@ extern int cio_start (struct subchannel *, struct ccw1 *, __u8);
 extern int cio_start_key (struct subchannel *, struct ccw1 *, __u8, __u8);
 extern int cio_cancel (struct subchannel *);
 extern int cio_set_options (struct subchannel *, int);
-extern int cio_get_options (struct subchannel *);
 extern int cio_update_schib(struct subchannel *sch);
 extern int cio_commit_config(struct subchannel *sch);
 

drivers/s390/cio/io_sch.h

@@ -10,7 +10,12 @@
 struct io_subchannel_private {
 	union orb orb;		/* operation request block */
 	struct ccw1 sense_ccw;	/* static ccw for sense command */
-} __attribute__ ((aligned(8)));
+	struct {
+		unsigned int suspend:1;	/* allow suspend */
+		unsigned int prefetch:1;/* deny prefetch */
+		unsigned int inter:1;	/* suppress intermediate interrupts */
+	} __packed options;
+} __aligned(8);
 
 #define to_io_private(n) ((struct io_subchannel_private *)n->private)
 #define sch_get_cdev(n) (dev_get_drvdata(&n->dev))