diff options
| -rw-r--r-- | drivers/s390/char/monwriter.c | 90 |
1 files changed, 1 insertions, 89 deletions
diff --git a/drivers/s390/char/monwriter.c b/drivers/s390/char/monwriter.c index fdc0c0b7a6f5..9cd1ea92d619 100644 --- a/drivers/s390/char/monwriter.c +++ b/drivers/s390/char/monwriter.c @@ -20,7 +20,6 @@ #include <linux/ctype.h> #include <linux/poll.h> #include <linux/mutex.h> -#include <linux/platform_device.h> #include <linux/slab.h> #include <linux/uaccess.h> #include <asm/ebcdic.h> @@ -40,10 +39,7 @@ struct mon_buf { char *data; }; -static LIST_HEAD(mon_priv_list); - struct mon_private { - struct list_head priv_list; struct list_head list; struct monwrite_hdr hdr; size_t hdr_to_read; @@ -199,7 +195,6 @@ static int monwrite_open(struct inode *inode, struct file *filp) monpriv->hdr_to_read = sizeof(monpriv->hdr); mutex_init(&monpriv->thread_mutex); filp->private_data = monpriv; - list_add_tail(&monpriv->priv_list, &mon_priv_list); return nonseekable_open(inode, filp); } @@ -217,7 +212,6 @@ static int monwrite_close(struct inode *inode, struct file *filp) kfree(entry->data); kfree(entry); } - list_del(&monpriv->priv_list); kfree(monpriv); return 0; } @@ -294,105 +288,23 @@ static struct miscdevice mon_dev = { }; /* - * suspend/resume - */ - -static int monwriter_freeze(struct device *dev) -{ - struct mon_private *monpriv; - struct mon_buf *monbuf; - - list_for_each_entry(monpriv, &mon_priv_list, priv_list) { - list_for_each_entry(monbuf, &monpriv->list, list) { - if (monbuf->hdr.mon_function != MONWRITE_GEN_EVENT) - monwrite_diag(&monbuf->hdr, monbuf->data, - APPLDATA_STOP_REC); - } - } - return 0; -} - -static int monwriter_restore(struct device *dev) -{ - struct mon_private *monpriv; - struct mon_buf *monbuf; - - list_for_each_entry(monpriv, &mon_priv_list, priv_list) { - list_for_each_entry(monbuf, &monpriv->list, list) { - if (monbuf->hdr.mon_function == MONWRITE_START_INTERVAL) - monwrite_diag(&monbuf->hdr, monbuf->data, - APPLDATA_START_INTERVAL_REC); - if (monbuf->hdr.mon_function == MONWRITE_START_CONFIG) - monwrite_diag(&monbuf->hdr, monbuf->data, - APPLDATA_START_CONFIG_REC); - } - } - return 0; -} - -static int monwriter_thaw(struct device *dev) -{ - return monwriter_restore(dev); -} - -static const struct dev_pm_ops monwriter_pm_ops = { - .freeze = monwriter_freeze, - .thaw = monwriter_thaw, - .restore = monwriter_restore, -}; - -static struct platform_driver monwriter_pdrv = { - .driver = { - .name = "monwriter", - .pm = &monwriter_pm_ops, - }, -}; - -static struct platform_device *monwriter_pdev; - -/* * module init/exit */ static int __init mon_init(void) { - int rc; - if (!MACHINE_IS_VM) return -ENODEV; - - rc = platform_driver_register(&monwriter_pdrv); - if (rc) - return rc; - - monwriter_pdev = platform_device_register_simple("monwriter", -1, NULL, - 0); - if (IS_ERR(monwriter_pdev)) { - rc = PTR_ERR(monwriter_pdev); - goto out_driver; - } - /* * misc_register() has to be the last action in module_init(), because * file operations will be available right after this. */ - rc = misc_register(&mon_dev); - if (rc) - goto out_device; - return 0; - -out_device: - platform_device_unregister(monwriter_pdev); -out_driver: - platform_driver_unregister(&monwriter_pdrv); - return rc; + return misc_register(&mon_dev); } static void __exit mon_exit(void) { misc_deregister(&mon_dev); - platform_device_unregister(monwriter_pdev); - platform_driver_unregister(&monwriter_pdrv); } module_init(mon_init); |