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| author | Corey Minyard <minyard@acm.org> | 2005-05-20 08:56:23 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-20 07:58:04 -0700 |
| commit | 37e0915b701281182cea9fc90e894d10addf134a (patch) | |
| tree | e327b635e017dfcfd989b203c16ebd55e1d2526b /drivers | |
| parent | 45fed46f5b98aaf439e9ef125992ec853cd98499 (diff) | |
| download | linux-exynos-37e0915b701281182cea9fc90e894d10addf134a.tar.gz linux-exynos-37e0915b701281182cea9fc90e894d10addf134a.tar.bz2 linux-exynos-37e0915b701281182cea9fc90e894d10addf134a.zip | |
[PATCH] Add sysfs support for the IPMI device interface
Add support for sysfs to the IPMI device interface.
Clean-ups based on Dimitry Torokovs comment by Philipp Hahn.
Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Philipp Hahn <pmhahn@titan.lahn.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/ipmi/ipmi_devintf.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c index 49d67f5384a2..4bb9af736fba 100644 --- a/drivers/char/ipmi/ipmi_devintf.c +++ b/drivers/char/ipmi/ipmi_devintf.c @@ -44,6 +44,7 @@ #include <linux/ipmi.h> #include <asm/semaphore.h> #include <linux/init.h> +#include <linux/device.h> #define IPMI_DEVINTF_VERSION "v33" @@ -519,15 +520,21 @@ MODULE_PARM_DESC(ipmi_major, "Sets the major number of the IPMI device. By" " interface. Other values will set the major device number" " to that value."); +static struct class *ipmi_class; + static void ipmi_new_smi(int if_num) { - devfs_mk_cdev(MKDEV(ipmi_major, if_num), - S_IFCHR | S_IRUSR | S_IWUSR, + dev_t dev = MKDEV(ipmi_major, if_num); + + devfs_mk_cdev(dev, S_IFCHR | S_IRUSR | S_IWUSR, "ipmidev/%d", if_num); + + class_simple_device_add(ipmi_class, dev, NULL, "ipmi%d", if_num); } static void ipmi_smi_gone(int if_num) { + class_simple_device_remove(ipmi_class, MKDEV(ipmi_major, if_num)); devfs_remove("ipmidev/%d", if_num); } @@ -548,8 +555,15 @@ static __init int init_ipmi_devintf(void) printk(KERN_INFO "ipmi device interface version " IPMI_DEVINTF_VERSION "\n"); + ipmi_class = class_simple_create(THIS_MODULE, "ipmi"); + if (IS_ERR(ipmi_class)) { + printk(KERN_ERR "ipmi: can't register device class\n"); + return PTR_ERR(ipmi_class); + } + rv = register_chrdev(ipmi_major, DEVICE_NAME, &ipmi_fops); if (rv < 0) { + class_simple_destroy(ipmi_class); printk(KERN_ERR "ipmi: can't get major %d\n", ipmi_major); return rv; } @@ -563,6 +577,7 @@ static __init int init_ipmi_devintf(void) rv = ipmi_smi_watcher_register(&smi_watcher); if (rv) { unregister_chrdev(ipmi_major, DEVICE_NAME); + class_simple_destroy(ipmi_class); printk(KERN_WARNING "ipmi: can't register smi watcher\n"); return rv; } @@ -573,6 +588,7 @@ module_init(init_ipmi_devintf); static __exit void cleanup_ipmi(void) { + class_simple_destroy(ipmi_class); ipmi_smi_watcher_unregister(&smi_watcher); devfs_remove(DEVICE_NAME); unregister_chrdev(ipmi_major, DEVICE_NAME); |