From cornelia.huck@de.ibm.com Mon Jun 23 08:24:31 2008
From: Cornelia Huck <cornelia.huck@de.ibm.com>
Date: Mon, 23 Jun 2008 17:24:15 +0200
Subject: s390: bus_id -> dev_set_name() for css and ccw busses
To: Greg KH <greg@kroah.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>, linux-next@vger.kernel.org, Martin Schwidefsky <schwidefsky@de.ibm.com>
Message-ID: <20080623172415.5dece56b@gondolin.boeblingen.de.ibm.com>


From: Cornelia Huck <cornelia.huck@de.ibm.com>

Convert remaining s390 users setting bus_id to dev_set_name()
or init_name.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

--- linux-2.6.orig/drivers/s390/cio/cio.c
+++ linux-2.6/drivers/s390/cio/cio.c
@@ -529,8 +529,10 @@ cio_validate_subchannel (struct subchann
 	}
 	mutex_init(&sch->reg_mutex);
 	/* Set a name for the subchannel */
-	snprintf (dev_name(&sch->dev), BUS_ID_SIZE, "0.%x.%04x", schid.ssid,
-		  schid.sch_no);
+	if (cio_is_console(schid))
+		sch->dev.init_name = cio_get_console_sch_name(schid);
+	else
+		dev_set_name(&sch->dev, "0.%x.%04x", schid.ssid, schid.sch_no);
 
 	/*
 	 * The first subchannel that is not-operational (ccode==3)
@@ -681,6 +683,7 @@ do_IRQ (struct pt_regs *regs)
 
 #ifdef CONFIG_CCW_CONSOLE
 static struct subchannel console_subchannel;
+static char console_sch_name[10] = "0.x.xxxx";
 static struct io_subchannel_private console_priv;
 static int console_subchannel_in_use;
 
@@ -831,6 +834,12 @@ cio_get_console_subchannel(void)
 	return &console_subchannel;
 }
 
+const char *cio_get_console_sch_name(struct subchannel_id schid)
+{
+	snprintf(console_sch_name, 10, "0.%x.%04x", schid.ssid, schid.sch_no);
+	return (const char *)console_sch_name;
+}
+
 #endif
 static int
 __disable_subchannel_easy(struct subchannel_id schid, struct schib *schib)
Index: linux-2.6/drivers/s390/cio/cio.h
===================================================================
--- linux-2.6.orig/drivers/s390/cio/cio.h
+++ linux-2.6/drivers/s390/cio/cio.h
@@ -111,11 +111,15 @@ extern int cio_is_console(struct subchan
 extern struct subchannel *cio_get_console_subchannel(void);
 extern spinlock_t * cio_get_console_lock(void);
 extern void *cio_get_console_priv(void);
+extern const char *cio_get_console_sch_name(struct subchannel_id schid);
+extern const char *cio_get_console_cdev_name(struct subchannel *sch);
 #else
 #define cio_is_console(schid) 0
 #define cio_get_console_subchannel() NULL
 #define cio_get_console_lock() NULL
 #define cio_get_console_priv() NULL
+#define cio_get_console_sch_name(schid) NULL
+#define cio_get_console_cdev_name(sch) NULL
 #endif
 
 #endif
Index: linux-2.6/drivers/s390/cio/device.c
===================================================================
--- linux-2.6.orig/drivers/s390/cio/device.c
+++ linux-2.6/drivers/s390/cio/device.c
@@ -1051,8 +1051,11 @@ io_subchannel_recog(struct ccw_device *c
 	init_timer(&priv->timer);
 
 	/* Set an initial name for the device. */
-	snprintf (cdev->dev.bus_id, BUS_ID_SIZE, "0.%x.%04x",
-		  sch->schid.ssid, sch->schib.pmcw.dev);
+	if (cio_is_console(sch->schid))
+		cdev->dev.init_name = cio_get_console_cdev_name(sch);
+	else
+		dev_set_name(&cdev->dev, "0.%x.%04x",
+			     sch->schid.ssid, sch->schib.pmcw.dev);
 
 	/* Increase counter of devices currently in recognition. */
 	atomic_inc(&ccw_device_init_count);
@@ -1287,6 +1290,7 @@ io_subchannel_shutdown(struct subchannel
 
 #ifdef CONFIG_CCW_CONSOLE
 static struct ccw_device console_cdev;
+static char console_cdev_name[10] = "0.x.xxxx";
 static struct ccw_device_private console_private;
 static int console_cdev_in_use;
 
@@ -1355,6 +1359,14 @@ ccw_device_probe_console(void)
 	console_cdev.online = 1;
 	return &console_cdev;
 }
+
+
+const char *cio_get_console_cdev_name(struct subchannel *sch)
+{
+	snprintf(console_cdev_name, 10, "0.%x.%04x",
+		 sch->schid.ssid, sch->schib.pmcw.dev);
+	return (const char *)console_cdev_name;
+}
 #endif
 
 /*