From: Matthias Kaehlcke <[EMAIL PROTECTED]>
The EDAC core code uses a semaphore as mutex. use the mutex API
instead of the (binary) semaphore.
Matthaias wrote this, but since I had some patches ahead of it,
I need to modify it to follow my patches.
Signed-off-by: Matthias Kaehlcke <[EMAIL PROTECTED]>
Signed-off-by: Douglas Thompson <[EMAIL PROTECTED]>
--
edac_mc.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
--
Index: linux-2.6.21.1/drivers/edac/edac_mc.c
===================================================================
--- linux-2.6.21.1.orig/drivers/edac/edac_mc.c
+++ linux-2.6.21.1/drivers/edac/edac_mc.c
@@ -35,7 +35,7 @@
/* lock to memory controller's control array */
-static DECLARE_MUTEX(mem_ctls_mutex);
+static DEFINE_MUTEX(mem_ctls_mutex);
static struct list_head mc_devices = LIST_HEAD_INIT(mc_devices);
#ifdef CONFIG_EDAC_DEBUG
@@ -334,7 +334,7 @@ int edac_mc_add_mc(struct mem_ctl_info *
}
}
#endif
- down(&mem_ctls_mutex);
+ mutex_lock(&mem_ctls_mutex);
if (add_mc_to_global_list(mci))
goto fail0;
@@ -352,14 +352,14 @@ int edac_mc_add_mc(struct mem_ctl_info *
edac_mc_printk(mci, KERN_INFO, "Giving out device to %s %s: DEV
%s\n",
mci->mod_name, mci->ctl_name, dev_name(mci->dev));
- up(&mem_ctls_mutex);
+ mutex_unlock(&mem_ctls_mutex);
return 0;
fail1:
del_mc_from_global_list(mci);
fail0:
- up(&mem_ctls_mutex);
+ mutex_unlock(&mem_ctls_mutex);
return 1;
}
EXPORT_SYMBOL_GPL(edac_mc_add_mc);
@@ -376,16 +376,16 @@ struct mem_ctl_info * edac_mc_del_mc(str
struct mem_ctl_info *mci;
debugf0("MC: %s()\n", __func__);
- down(&mem_ctls_mutex);
+ mutex_lock(&mem_ctls_mutex);
if ((mci = find_mci_by_dev(dev)) == NULL) {
- up(&mem_ctls_mutex);
+ mutex_unlock(&mem_ctls_mutex);
return NULL;
}
edac_remove_sysfs_mci_device(mci);
del_mc_from_global_list(mci);
- up(&mem_ctls_mutex);
+ mutex_unlock(&mem_ctls_mutex);
edac_printk(KERN_INFO, EDAC_MC,
"Removed device %d for %s %s: DEV %s\n", mci->mc_idx,
mci->mod_name, mci->ctl_name, dev_name(mci->dev));
@@ -722,7 +722,7 @@ void edac_check_mc_devices(void)
struct mem_ctl_info *mci;
debugf3("%s()\n", __func__);
- down(&mem_ctls_mutex);
+ mutex_lock(&mem_ctls_mutex);
list_for_each(item, &mc_devices) {
mci = list_entry(item, struct mem_ctl_info, link);
@@ -731,5 +731,5 @@ void edac_check_mc_devices(void)
mci->edac_check(mci);
}
- up(&mem_ctls_mutex);
+ mutex_unlock(&mem_ctls_mutex);
}
-
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