diff options
author | Corey Minyard <minyard@acm.org> | 2006-03-31 02:30:41 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-31 12:18:54 -0800 |
commit | d6dfd1310d3562698fd7c3c086f6c239f96394ac (patch) | |
tree | ff6c77f2d2e8bcb5b765bdaa4198243e043031aa /drivers/char/ipmi/ipmi_si_intf.c | |
parent | 8a3628d53fe5eb1d1401dd1ce16655182c1c5ffc (diff) | |
download | op-kernel-dev-d6dfd1310d3562698fd7c3c086f6c239f96394ac.zip op-kernel-dev-d6dfd1310d3562698fd7c3c086f6c239f96394ac.tar.gz |
[PATCH] IPMI: convert from semaphores to mutexes
Convert the remaining semaphores to mutexes in the IPMI driver. The
watchdog was using a semaphore as a real semaphore (for IPC), so the
conversion there required adding a completion.
Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char/ipmi/ipmi_si_intf.c')
-rw-r--r-- | drivers/char/ipmi/ipmi_si_intf.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 2da5845..a86c0f2 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -1014,7 +1014,7 @@ static struct ipmi_smi_handlers handlers = #define SI_MAX_PARMS 4 static LIST_HEAD(smi_infos); -static DECLARE_MUTEX(smi_infos_lock); +static DEFINE_MUTEX(smi_infos_lock); static int smi_num; /* Used to sequence the SMIs */ #define DEFAULT_REGSPACING 1 @@ -2276,7 +2276,7 @@ static int try_smi_init(struct smi_info *new_smi) new_smi->slave_addr, new_smi->irq); } - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); if (!is_new_interface(new_smi)) { printk(KERN_WARNING "ipmi_si: duplicate interface\n"); rv = -EBUSY; @@ -2432,7 +2432,7 @@ static int try_smi_init(struct smi_info *new_smi) list_add_tail(&new_smi->link, &smi_infos); - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); printk(" IPMI %s interface initialized\n",si_to_str[new_smi->si_type]); @@ -2469,7 +2469,7 @@ static int try_smi_init(struct smi_info *new_smi) kfree(new_smi); - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); return rv; } @@ -2527,26 +2527,26 @@ static __devinit int init_ipmi_si(void) #endif if (si_trydefaults) { - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); if (list_empty(&smi_infos)) { /* No BMC was found, try defaults. */ - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); default_find_bmc(); } else { - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); } } - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); if (list_empty(&smi_infos)) { - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); #ifdef CONFIG_PCI pci_unregister_driver(&ipmi_pci_driver); #endif printk("ipmi_si: Unable to find any System Interface(s)\n"); return -ENODEV; } else { - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); return 0; } } @@ -2622,10 +2622,10 @@ static __exit void cleanup_ipmi_si(void) pci_unregister_driver(&ipmi_pci_driver); #endif - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); list_for_each_entry_safe(e, tmp_e, &smi_infos, link) cleanup_one_si(e); - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); driver_unregister(&ipmi_driver); } |