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authorDaniel Walker <dwalker@mvista.com>2008-03-28 14:41:26 -0700
committerJeff Garzik <jeff@garzik.org>2008-03-28 22:14:25 -0400
commit06f89edf89f254346c95d0c569cecd606459d83e (patch)
tree41635a52de50efc56145b37527dce6463814da52 /drivers
parentb7aa69097acb86c118edaa5e339b714617062dfe (diff)
netdev: ehea: semaphore to mutex
Converted the dlpar_mem_lock. With a bit of cleanup, I converted to DEFINE_MUTEX() instead of a runtime init. I also made the lock static. Signed-off-by: Daniel Walker <dwalker@mvista.com> Cc: Christoph Raisch <raisch@de.ibm.com> Acked-by: Jan-Bernd Themann <themann@de.ibm.com> Cc: Thomas Klein <tklein@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ehea/ehea_main.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 07c742dd3f0..a3b3b165445 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -36,6 +36,7 @@
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <asm/kexec.h>
+#include <linux/mutex.h>
#include <net/ip.h>
@@ -99,7 +100,7 @@ static int port_name_cnt;
static LIST_HEAD(adapter_list);
u64 ehea_driver_flags;
struct work_struct ehea_rereg_mr_task;
-struct semaphore dlpar_mem_lock;
+static DEFINE_MUTEX(dlpar_mem_lock);
struct ehea_fw_handle_array ehea_fw_handles;
struct ehea_bcmc_reg_array ehea_bcmc_regs;
@@ -2830,7 +2831,7 @@ static void ehea_rereg_mrs(struct work_struct *work)
int ret, i;
struct ehea_adapter *adapter;
- down(&dlpar_mem_lock);
+ mutex_lock(&dlpar_mem_lock);
ehea_info("LPAR memory enlarged - re-initializing driver");
list_for_each_entry(adapter, &adapter_list, list)
@@ -2902,7 +2903,7 @@ static void ehea_rereg_mrs(struct work_struct *work)
}
}
}
- up(&dlpar_mem_lock);
+ mutex_unlock(&dlpar_mem_lock);
ehea_info("re-initializing driver complete");
out:
return;
@@ -3543,7 +3544,6 @@ int __init ehea_module_init(void)
memset(&ehea_fw_handles, 0, sizeof(ehea_fw_handles));
memset(&ehea_bcmc_regs, 0, sizeof(ehea_bcmc_regs));
- sema_init(&dlpar_mem_lock, 1);
sema_init(&ehea_fw_handles.lock, 1);
sema_init(&ehea_bcmc_regs.lock, 1);