Messages in this thread Patch in this message | | | Date | Thu, 19 May 2005 18:26:04 -0500 | From | Corey Minyard <> | Subject | [PATCH] Add sysfs support for the IPMI device interface |
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Linus,
Could you please add this patch to the main tree? I can't send it to Andrew because he has a rework of this in his tree that has not made it into yours yet, and I'd like to have this in before 2.6.12 is released.
-Corey
Add support for sysfs to the IPMI device interface.
Signed-off-by: Corey Minyard <minyard@acm.org>
Index: linux-2.6.11-mm1/drivers/char/ipmi/ipmi_devintf.c =================================================================== --- linux-2.6.11-mm1.orig/drivers/char/ipmi/ipmi_devintf.c +++ linux-2.6.11-mm1/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 +520,24 @@ " interface. Other values will set the major device number" " to that value."); +static struct class_simple *ipmi_class; + static void ipmi_new_smi(int if_num) { + char name[10]; + dev_t dev = MKDEV(ipmi_major, if_num); + devfs_mk_cdev(MKDEV(ipmi_major, if_num), S_IFCHR | S_IRUSR | S_IWUSR, "ipmidev/%d", if_num); + + snprintf(name, sizeof(name), "ipmi%d", if_num); + class_simple_device_add(ipmi_class, dev, NULL, name); } static void ipmi_smi_gone(int if_num) { + class_simple_device_remove(MKDEV(ipmi_major, if_num)); devfs_remove("ipmidev/%d", if_num); } @@ -548,8 +558,15 @@ 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 +580,7 @@ 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 +591,7 @@ 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); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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