[SCSI] megaraid_sas: Convert aen_mutex to the mutex API
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Acked-by: Bo Yang <Bo.Yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index e3c5c52..3ad379f 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -31,6 +31,7 @@
#include <linux/moduleparam.h>
#include <linux/module.h>
#include <linux/spinlock.h>
+#include <linux/mutex.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/uio.h>
@@ -2358,7 +2359,7 @@
spin_lock_init(&instance->cmd_pool_lock);
- sema_init(&instance->aen_mutex, 1);
+ mutex_init(&instance->aen_mutex);
sema_init(&instance->ioctl_sem, MEGASAS_INT_CMDS);
/*
@@ -2874,10 +2875,10 @@
if (!instance)
return -ENODEV;
- down(&instance->aen_mutex);
+ mutex_lock(&instance->aen_mutex);
error = megasas_register_aen(instance, aen.seq_num,
aen.class_locale_word);
- up(&instance->aen_mutex);
+ mutex_unlock(&instance->aen_mutex);
return error;
}
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 4dffc91..08c74c9 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -1089,7 +1089,7 @@
struct megasas_evt_detail *evt_detail;
dma_addr_t evt_detail_h;
struct megasas_cmd *aen_cmd;
- struct semaphore aen_mutex;
+ struct mutex aen_mutex;
struct semaphore ioctl_sem;
struct Scsi_Host *host;