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 <[email protected]>
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);
-
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