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path: root/drivers/misc/ibmasm/module.c
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Diffstat (limited to 'drivers/misc/ibmasm/module.c')
-rw-r--r--drivers/misc/ibmasm/module.c34
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/misc/ibmasm/module.c b/drivers/misc/ibmasm/module.c
index 2f3bddfab937..0346d87c5fed 100644
--- a/drivers/misc/ibmasm/module.c
+++ b/drivers/misc/ibmasm/module.c
@@ -18,9 +18,9 @@
*
* Copyright (C) IBM Corporation, 2004
*
- * Author: Max Asböck <amax@us.ibm.com>
+ * Author: Max Asböck <amax@us.ibm.com>
*
- * This driver is based on code originally written by Pete Reynolds
+ * This driver is based on code originally written by Pete Reynolds
* and others.
*
*/
@@ -30,13 +30,13 @@
*
* 1) When loaded it sends a message to the service processor,
* indicating that an OS is * running. This causes the service processor
- * to send periodic heartbeats to the OS.
+ * to send periodic heartbeats to the OS.
*
* 2) Answers the periodic heartbeats sent by the service processor.
* Failure to do so would result in system reboot.
*
* 3) Acts as a pass through for dot commands sent from user applications.
- * The interface for this is the ibmasmfs file system.
+ * The interface for this is the ibmasmfs file system.
*
* 4) Allows user applications to register for event notification. Events
* are sent to the driver through interrupts. They can be read from user
@@ -52,6 +52,7 @@
#include <linux/pci.h>
#include <linux/init.h>
+#include <linux/slab.h>
#include "ibmasm.h"
#include "lowlevel.h"
#include "remote.h"
@@ -61,7 +62,7 @@ module_param(ibmasm_debug, int , S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ibmasm_debug, " Set debug mode on or off");
-static int __devinit ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
+static int ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
int result;
struct service_processor *sp;
@@ -77,13 +78,12 @@ static int __devinit ibmasm_init_one(struct pci_dev *pdev, const struct pci_devi
/* vnc client won't work without bus-mastering */
pci_set_master(pdev);
- sp = kmalloc(sizeof(struct service_processor), GFP_KERNEL);
+ sp = kzalloc(sizeof(struct service_processor), GFP_KERNEL);
if (sp == NULL) {
dev_err(&pdev->dev, "Failed to allocate memory\n");
result = -ENOMEM;
goto error_kmalloc;
}
- memset(sp, 0, sizeof(struct service_processor));
spin_lock_init(&sp->lock);
INIT_LIST_HEAD(&sp->command_queue);
@@ -105,9 +105,8 @@ static int __devinit ibmasm_init_one(struct pci_dev *pdev, const struct pci_devi
}
sp->irq = pdev->irq;
- sp->base_address = ioremap(pci_resource_start(pdev, 0),
- pci_resource_len(pdev, 0));
- if (sp->base_address == 0) {
+ sp->base_address = pci_ioremap_bar(pdev, 0);
+ if (!sp->base_address) {
dev_err(sp->dev, "Failed to ioremap pci memory\n");
result = -ENODEV;
goto error_ioremap;
@@ -164,7 +163,7 @@ error_resources:
return result;
}
-static void __devexit ibmasm_remove_one(struct pci_dev *pdev)
+static void ibmasm_remove_one(struct pci_dev *pdev)
{
struct service_processor *sp = (struct service_processor *)pci_get_drvdata(pdev);
@@ -199,7 +198,7 @@ static struct pci_driver ibmasm_driver = {
.name = DRIVER_NAME,
.id_table = ibmasm_pci_table,
.probe = ibmasm_init_one,
- .remove = __devexit_p(ibmasm_remove_one),
+ .remove = ibmasm_remove_one,
};
static void __exit ibmasm_exit (void)
@@ -212,18 +211,17 @@ static void __exit ibmasm_exit (void)
static int __init ibmasm_init(void)
{
- int result;
+ int result = pci_register_driver(&ibmasm_driver);
+ if (result)
+ return result;
result = ibmasmfs_register();
if (result) {
+ pci_unregister_driver(&ibmasm_driver);
err("Failed to register ibmasmfs file system");
return result;
}
- result = pci_register_driver(&ibmasm_driver);
- if (result) {
- ibmasmfs_unregister();
- return result;
- }
+
ibmasm_register_panic_notifier();
info(DRIVER_DESC " version " DRIVER_VERSION " loaded");
return 0;