Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6

[pandora-kernel.git] / drivers / s390 / char / monreader.c

diff --git a/drivers/s390/char/monreader.c b/drivers/s390/char/monreader.c
index dc4710e..35fd8df 100644 (file)
--- a/drivers/s390/char/monreader.c
+++ b/drivers/s390/char/monreader.c
@@ -3,9 +3,8 @@
  *
  * Character device driver for reading z/VM *MONITOR service records.
  *
- * Copyright 2004 IBM Corporation, IBM Deutschland Entwicklung GmbH.
- *
- * Author: Gerald Schaefer <geraldsc@de.ibm.com>
+ *   Copyright IBM Corp. 2004, 2008
+ *   Author: Gerald Schaefer <gerald.schaefer@de.ibm.com>
  */
 
 #include <linux/module.h>
@@ -19,12 +18,11 @@
 #include <linux/ctype.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
+#include <linux/poll.h>
+#include <net/iucv/iucv.h>
 #include <asm/uaccess.h>
 #include <asm/ebcdic.h>
 #include <asm/extmem.h>
-#include <linux/poll.h>
-#include <net/iucv/iucv.h>
-
 
 //#define MON_DEBUG                    /* Debug messages on/off */
 
@@ -153,10 +151,7 @@ static int mon_check_mca(struct mon_msg *monmsg)
            (mon_mca_end(monmsg) > mon_dcss_end) ||
            (mon_mca_start(monmsg) < mon_dcss_start) ||
            ((mon_mca_type(monmsg, 1) == 0) && (mon_mca_type(monmsg, 2) == 0)))
-       {
-               P_DEBUG("READ, IGNORED INVALID MCA\n\n");
                return -EINVAL;
-       }
        return 0;
 }
 
@@ -165,10 +160,6 @@ static int mon_send_reply(struct mon_msg *monmsg,
 {
        int rc;
 
-       P_DEBUG("read, REPLY: pathid = 0x%04X, msgid = 0x%08X, trgcls = "
-               "0x%08X\n\n",
-               monpriv->path->pathid, monmsg->msg.id, monmsg->msg.class);
-
        rc = iucv_message_reply(monpriv->path, &monmsg->msg,
                                IUCV_IPRMDATA, NULL, 0);
        atomic_dec(&monpriv->msglim_count);
@@ -203,15 +194,12 @@ static struct mon_private *mon_alloc_mem(void)
        struct mon_private *monpriv;
 
        monpriv = kzalloc(sizeof(struct mon_private), GFP_KERNEL);
-       if (!monpriv) {
-               P_ERROR("no memory for monpriv\n");
+       if (!monpriv)
                return NULL;
-       }
        for (i = 0; i < MON_MSGLIM; i++) {
                monpriv->msg_array[i] = kzalloc(sizeof(struct mon_msg),
                                                    GFP_KERNEL);
                if (!monpriv->msg_array[i]) {
-                       P_ERROR("open, no memory for msg_array\n");
                        mon_free_mem(monpriv);
                        return NULL;
                }
@@ -219,41 +207,10 @@ static struct mon_private *mon_alloc_mem(void)
        return monpriv;
 }
 
-static inline void mon_read_debug(struct mon_msg *monmsg,
-                                 struct mon_private *monpriv)
-{
-#ifdef MON_DEBUG
-       u8 msg_type[2], mca_type;
-       unsigned long records_len;
-
-       records_len = mon_rec_end(monmsg) - mon_rec_start(monmsg) + 1;
-
-       memcpy(msg_type, &monmsg->msg.class, 2);
-       EBCASC(msg_type, 2);
-       mca_type = mon_mca_type(monmsg, 0);
-       EBCASC(&mca_type, 1);
-
-       P_DEBUG("read, mon_read_index = %i, mon_write_index = %i\n",
-               monpriv->read_index, monpriv->write_index);
-       P_DEBUG("read, pathid = 0x%04X, msgid = 0x%08X, trgcls = 0x%08X\n",
-               monpriv->path->pathid, monmsg->msg.id, monmsg->msg.class);
-       P_DEBUG("read, msg_type = '%c%c', mca_type = '%c' / 0x%X / 0x%X\n",
-               msg_type[0], msg_type[1], mca_type ? mca_type : 'X',
-               mon_mca_type(monmsg, 1), mon_mca_type(monmsg, 2));
-       P_DEBUG("read, MCA: start = 0x%lX, end = 0x%lX\n",
-               mon_mca_start(monmsg), mon_mca_end(monmsg));
-       P_DEBUG("read, REC: start = 0x%X, end = 0x%X, len = %lu\n\n",
-               mon_rec_start(monmsg), mon_rec_end(monmsg), records_len);
-       if (mon_mca_size(monmsg) > 12)
-               P_DEBUG("READ, MORE THAN ONE MCA\n\n");
-#endif
-}
-
 static inline void mon_next_mca(struct mon_msg *monmsg)
 {
        if (likely((mon_mca_size(monmsg) - monmsg->mca_offset) == 12))
                return;
-       P_DEBUG("READ, NEXT MCA\n\n");
        monmsg->mca_offset += 12;
        monmsg->pos = 0;
 }
@@ -270,7 +227,6 @@ static struct mon_msg *mon_next_message(struct mon_private *monpriv)
                monmsg->msglim_reached = 0;
                monmsg->pos = 0;
                monmsg->mca_offset = 0;
-               P_WARNING("read, message limit reached\n");
                monpriv->read_index = (monpriv->read_index + 1) %
                                      MON_MSGLIM;
                atomic_dec(&monpriv->read_ready);
@@ -287,10 +243,6 @@ static void mon_iucv_path_complete(struct iucv_path *path, u8 ipuser[16])
 {
        struct mon_private *monpriv = path->private;
 
-       P_DEBUG("IUCV connection completed\n");
-       P_DEBUG("IUCV ACCEPT (from *MONITOR): Version = 0x%02X, Event = "
-               "0x%02X, Sample = 0x%02X\n",
-               ipuser[0], ipuser[1], ipuser[2]);
        atomic_set(&monpriv->iucv_connected, 1);
        wake_up(&mon_conn_wait_queue);
 }
@@ -311,7 +263,6 @@ static void mon_iucv_message_pending(struct iucv_path *path,
 {
        struct mon_private *monpriv = path->private;
 
-       P_DEBUG("IUCV message pending\n");
        memcpy(&monpriv->msg_array[monpriv->write_index]->msg,
               msg, sizeof(*msg));
        if (atomic_inc_return(&monpriv->msglim_count) == MON_MSGLIM) {
@@ -377,7 +328,6 @@ static int mon_open(struct inode *inode, struct file *filp)
                rc = -EIO;
                goto out_path;
        }
-       P_INFO("open, established connection to *MONITOR service\n\n");
        filp->private_data = monpriv;
        unlock_kernel();
        return nonseekable_open(inode, filp);
@@ -404,8 +354,6 @@ static int mon_close(struct inode *inode, struct file *filp)
        rc = iucv_path_sever(monpriv->path, user_data_sever);
        if (rc)
                P_ERROR("close, iucv_sever failed with rc = %i\n", rc);
-       else
-               P_INFO("close, terminated connection to *MONITOR service\n");
 
        atomic_set(&monpriv->iucv_severed, 0);
        atomic_set(&monpriv->iucv_connected, 0);
@@ -446,10 +394,8 @@ static ssize_t mon_read(struct file *filp, char __user *data,
                monmsg = monpriv->msg_array[monpriv->read_index];
        }
 
-       if (!monmsg->pos) {
+       if (!monmsg->pos)
                monmsg->pos = mon_mca_start(monmsg) + monmsg->mca_offset;
-               mon_read_debug(monmsg, monpriv);
-       }
        if (mon_check_mca(monmsg))
                goto reply;
 
@@ -535,7 +481,6 @@ static int __init mon_init(void)
                P_ERROR("failed to register with iucv driver\n");
                return rc;
        }
-       P_INFO("open, registered with IUCV\n");
 
        rc = segment_type(mon_dcss_name);
        if (rc < 0) {
@@ -559,13 +504,8 @@ static int __init mon_init(void)
        dcss_mkname(mon_dcss_name, &user_data_connect[8]);
 
        rc = misc_register(&mon_dev);
-       if (rc < 0 ) {
-               P_ERROR("misc_register failed, rc = %i\n", rc);
+       if (rc < 0 )
                goto out;
-       }
-       P_INFO("Loaded segment %s from %p to %p, size = %lu Byte\n",
-               mon_dcss_name, (void *) mon_dcss_start, (void *) mon_dcss_end,
-               mon_dcss_end - mon_dcss_start + 1);
        return 0;
 
 out: