[S390] cio: rename css to channel_subsystems

Rename css[] to channel_subsystems[] to avoid name clashes.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

4 files changed, 49 insertions, 39 deletions

diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 920dd71e643..8ce4ff95cc9 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -55,7 +55,7 @@ static wait_queue_head_t cfg_wait_queue;
 /* Return channel_path struct for given chpid. */
 static inline struct channel_path *chpid_to_chp(struct chp_id chpid)
 {
-        return css[chpid.cssid]->chps[chpid.id];
+        return channel_subsystems[chpid.cssid]->chps[chpid.id];
 }
 
 /* Set vary state for given chpid. */
@@ -395,7 +395,7 @@ int chp_new(struct chp_id chpid)
         /* fill in status, etc. */
         chp->chpid = chpid;
         chp->state = 1;
-        chp->dev.parent = &css[chpid.cssid]->device;
+        chp->dev.parent = &channel_subsystems[chpid.cssid]->device;
         chp->dev.release = chp_release;
         snprintf(chp->dev.bus_id, BUS_ID_SIZE, "chp%x.%02x", chpid.cssid,
                  chpid.id);
@@ -430,18 +430,18 @@ int chp_new(struct chp_id chpid)
                 device_unregister(&chp->dev);
                 goto out_free;
         }
-        mutex_lock(&css[chpid.cssid]->mutex);
-        if (css[chpid.cssid]->cm_enabled) {
+        mutex_lock(&channel_subsystems[chpid.cssid]->mutex);
+        if (channel_subsystems[chpid.cssid]->cm_enabled) {
                 ret = chp_add_cmg_attr(chp);
                 if (ret) {
                         sysfs_remove_group(&chp->dev.kobj, &chp_attr_group);
                         device_unregister(&chp->dev);
-                        mutex_unlock(&css[chpid.cssid]->mutex);
+                        mutex_unlock(&channel_subsystems[chpid.cssid]->mutex);
                         goto out_free;
                 }
         }
-        css[chpid.cssid]->chps[chpid.id] = chp;
-        mutex_unlock(&css[chpid.cssid]->mutex);
+        channel_subsystems[chpid.cssid]->chps[chpid.id] = chp;
+        mutex_unlock(&channel_subsystems[chpid.cssid]->mutex);
         return ret;
 out_free:
         kfree(chp);
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 5635e656c1a..08f6e7b6c99 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -27,7 +27,7 @@ int css_init_done = 0;
 static int need_reprobe = 0;
 static int max_ssid = 0;
 
-struct channel_subsystem *css[__MAX_CSSID + 1];
+struct channel_subsystem *channel_subsystems[__MAX_CSSID + 1];
 
 int css_characteristics_avail = 0;
 
@@ -177,7 +177,7 @@ static int css_register_subchannel(struct subchannel *sch)
         int ret;
 
         /* Initialize the subchannel structure */
-        sch->dev.parent = &css[0]->device;
+        sch->dev.parent = &channel_subsystems[0]->device;
         sch->dev.bus = &css_bus_type;
         sch->dev.release = &css_subchannel_release;
         sch->dev.groups = subch_attr_groups;
@@ -606,27 +606,29 @@ static int __init setup_css(int nr)
 {
         u32 tod_high;
         int ret;
+        struct channel_subsystem *css;
 
-        memset(css[nr], 0, sizeof(struct channel_subsystem));
-        css[nr]->pseudo_subchannel =
-                kzalloc(sizeof(*css[nr]->pseudo_subchannel), GFP_KERNEL);
-        if (!css[nr]->pseudo_subchannel)
+        css = channel_subsystems[nr];
+        memset(css, 0, sizeof(struct channel_subsystem));
+        css->pseudo_subchannel =
+                kzalloc(sizeof(*css->pseudo_subchannel), GFP_KERNEL);
+        if (!css->pseudo_subchannel)
                 return -ENOMEM;
-        css[nr]->pseudo_subchannel->dev.parent = &css[nr]->device;
-        css[nr]->pseudo_subchannel->dev.release = css_subchannel_release;
-        sprintf(css[nr]->pseudo_subchannel->dev.bus_id, "defunct");
-        ret = cio_create_sch_lock(css[nr]->pseudo_subchannel);
+        css->pseudo_subchannel->dev.parent = &css->device;
+        css->pseudo_subchannel->dev.release = css_subchannel_release;
+        sprintf(css->pseudo_subchannel->dev.bus_id, "defunct");
+        ret = cio_create_sch_lock(css->pseudo_subchannel);
         if (ret) {
-                kfree(css[nr]->pseudo_subchannel);
+                kfree(css->pseudo_subchannel);
                 return ret;
         }
-        mutex_init(&css[nr]->mutex);
-        css[nr]->valid = 1;
-        css[nr]->cssid = nr;
-        sprintf(css[nr]->device.bus_id, "css%x", nr);
-        css[nr]->device.release = channel_subsystem_release;
+        mutex_init(&css->mutex);
+        css->valid = 1;
+        css->cssid = nr;
+        sprintf(css->device.bus_id, "css%x", nr);
+        css->device.release = channel_subsystem_release;
         tod_high = (u32) (get_clock() >> 32);
-        css_generate_pgid(css[nr], tod_high);
+        css_generate_pgid(css, tod_high);
         return 0;
 }
 
@@ -670,25 +672,28 @@ init_channel_subsystem (void)
         }
         /* Setup css structure. */
         for (i = 0; i <= __MAX_CSSID; i++) {
-                css[i] = kmalloc(sizeof(struct channel_subsystem), GFP_KERNEL);
-                if (!css[i]) {
+                struct channel_subsystem *css;
+
+                css = kmalloc(sizeof(struct channel_subsystem), GFP_KERNEL);
+                if (!css) {
                         ret = -ENOMEM;
                         goto out_unregister;
                 }
+                channel_subsystems[i] = css;
                 ret = setup_css(i);
                 if (ret)
                         goto out_free;
-                ret = device_register(&css[i]->device);
+                ret = device_register(&css->device);
                 if (ret)
                         goto out_free_all;
                 if (css_characteristics_avail &&
                     css_chsc_characteristics.secm) {
-                        ret = device_create_file(&css[i]->device,
+                        ret = device_create_file(&css->device,
                                                  &dev_attr_cm_enable);
                         if (ret)
                                 goto out_device;
                 }
-                ret = device_register(&css[i]->pseudo_subchannel->dev);
+                ret = device_register(&css->pseudo_subchannel->dev);
                 if (ret)
                         goto out_file;
         }
@@ -699,22 +704,26 @@ init_channel_subsystem (void)
         for_each_subchannel(__init_channel_subsystem, NULL);
         return 0;
 out_file:
-        device_remove_file(&css[i]->device, &dev_attr_cm_enable);
+        device_remove_file(&channel_subsystems[i]->device,
+                           &dev_attr_cm_enable);
 out_device:
-        device_unregister(&css[i]->device);
+        device_unregister(&channel_subsystems[i]->device);
 out_free_all:
-        kfree(css[i]->pseudo_subchannel->lock);
-        kfree(css[i]->pseudo_subchannel);
+        kfree(channel_subsystems[i]->pseudo_subchannel->lock);
+        kfree(channel_subsystems[i]->pseudo_subchannel);
 out_free:
-        kfree(css[i]);
+        kfree(channel_subsystems[i]);
 out_unregister:
         while (i > 0) {
+                struct channel_subsystem *css;
+
                 i--;
-                device_unregister(&css[i]->pseudo_subchannel->dev);
+                css = channel_subsystems[i];
+                device_unregister(&css->pseudo_subchannel->dev);
                 if (css_characteristics_avail && css_chsc_characteristics.secm)
-                        device_remove_file(&css[i]->device,
+                        device_remove_file(&css->device,
                                            &dev_attr_cm_enable);
-                device_unregister(&css[i]->device);
+                device_unregister(&css->device);
         }
 out_bus:
         bus_unregister(&css_bus_type);
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 5d65e83ca66..f290c5c0f27 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -167,7 +167,7 @@ struct channel_subsystem {
 #define to_css(dev) container_of(dev, struct channel_subsystem, device)
 
 extern struct bus_type css_bus_type;
-extern struct channel_subsystem *css[];
+extern struct channel_subsystem *channel_subsystems[];
 
 /* Some helper functions for disconnected state. */
 int device_is_disconnected(struct subchannel *);
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 8633dc53769..f772ef0a4f2 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -446,7 +446,8 @@ static void __ccw_device_get_common_pgid(struct ccw_device *cdev)
         if (cdev->private->pgid[last].inf.ps.state1 ==
             SNID_STATE1_RESET)
                 /* No previous pgid found */
-                memcpy(&cdev->private->pgid[0], &css[0]->global_pgid,
+                memcpy(&cdev->private->pgid[0],
+                       &channel_subsystems[0]->global_pgid,
                        sizeof(struct pgid));
         else
                 /* Use existing pgid */