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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-19 11:35:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-19 11:35:30 -0700
commitba0234ec35127fe21d373db53cbaf9fe20620cb6 (patch)
treea2cbef204482512ae9e723f2bf4d22051975ef45 /drivers/s390/char/vmcp.c
parent537b60d17894b7c19a6060feae40299d7109d6e7 (diff)
parent939e379e9e183ae6291ac7caa4a5e1dfadae4ccc (diff)
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (24 commits) [S390] drivers/s390/char: Use kmemdup [S390] drivers/s390/char: Use kstrdup [S390] debug: enable exception-trace debug facility [S390] s390_hypfs: Add new attributes [S390] qdio: remove API wrappers [S390] qdio: set correct bit in dsci [S390] qdio: dont convert timestamps to microseconds [S390] qdio: remove memset hack [S390] qdio: prevent starvation on PCI devices [S390] qdio: count number of qdio interrupts [S390] user space fault: report fault before calling do_exit [S390] topology: expose core identifier [S390] dasd: remove uid from devmap [S390] dasd: add dynamic pav toleration [S390] vdso: add missing vdso_install target [S390] vdso: remove redundant check for CONFIG_64BIT [S390] avoid default_llseek in s390 drivers [S390] vmcp: disallow modular build [S390] add breaking event address for user space [S390] virtualization aware cpu measurement ...
Diffstat (limited to 'drivers/s390/char/vmcp.c')
-rw-r--r--drivers/s390/char/vmcp.c38
1 files changed, 8 insertions, 30 deletions
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c
index 5bb59d36a6d4..04e532eec032 100644
--- a/drivers/s390/char/vmcp.c
+++ b/drivers/s390/char/vmcp.c
@@ -1,24 +1,20 @@
/*
- * Copyright IBM Corp. 2004,2007
+ * Copyright IBM Corp. 2004,2010
* Interface implementation for communication with the z/VM control program
- * Author(s): Christian Borntraeger <borntraeger@de.ibm.com>
*
+ * Author(s): Christian Borntraeger <borntraeger@de.ibm.com>
*
* z/VMs CP offers the possibility to issue commands via the diagnose code 8
* this driver implements a character device that issues these commands and
* returns the answer of CP.
-
+ *
* The idea of this driver is based on cpint from Neale Ferguson and #CP in CMS
*/
-#define KMSG_COMPONENT "vmcp"
-#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
-
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/miscdevice.h>
-#include <linux/module.h>
#include <linux/slab.h>
#include <asm/compat.h>
#include <asm/cpcmd.h>
@@ -26,10 +22,6 @@
#include <asm/uaccess.h>
#include "vmcp.h"
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Christian Borntraeger <borntraeger@de.ibm.com>");
-MODULE_DESCRIPTION("z/VM CP interface");
-
static debug_info_t *vmcp_debug;
static int vmcp_open(struct inode *inode, struct file *file)
@@ -197,11 +189,8 @@ static int __init vmcp_init(void)
{
int ret;
- if (!MACHINE_IS_VM) {
- pr_warning("The z/VM CP interface device driver cannot be "
- "loaded without z/VM\n");
- return -ENODEV;
- }
+ if (!MACHINE_IS_VM)
+ return 0;
vmcp_debug = debug_register("vmcp", 1, 1, 240);
if (!vmcp_debug)
@@ -214,19 +203,8 @@ static int __init vmcp_init(void)
}
ret = misc_register(&vmcp_dev);
- if (ret) {
+ if (ret)
debug_unregister(vmcp_debug);
- return ret;
- }
-
- return 0;
-}
-
-static void __exit vmcp_exit(void)
-{
- misc_deregister(&vmcp_dev);
- debug_unregister(vmcp_debug);
+ return ret;
}
-
-module_init(vmcp_init);
-module_exit(vmcp_exit);
+device_initcall(vmcp_init);