diff options
Diffstat (limited to 'drivers/macintosh/smu.c')
| -rw-r--r-- | drivers/macintosh/smu.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index 4eb05d7143d..f4516ca7aa3 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -35,6 +35,7 @@ #include <linux/delay.h> #include <linux/sysdev.h> #include <linux/poll.h> +#include <linux/mutex.h> #include <asm/byteorder.h> #include <asm/io.h> @@ -92,7 +93,7 @@ struct smu_device { * for now, just hard code that */ static struct smu_device *smu; -static DECLARE_MUTEX(smu_part_access); +static DEFINE_MUTEX(smu_part_access); static void smu_i2c_retry(unsigned long data); @@ -976,11 +977,11 @@ struct smu_sdbp_header *__smu_get_sdb_partition(int id, unsigned int *size, if (interruptible) { int rc; - rc = down_interruptible(&smu_part_access); + rc = mutex_lock_interruptible(&smu_part_access); if (rc) return ERR_PTR(rc); } else - down(&smu_part_access); + mutex_lock(&smu_part_access); part = (struct smu_sdbp_header *)get_property(smu->of_node, pname, size); @@ -990,7 +991,7 @@ struct smu_sdbp_header *__smu_get_sdb_partition(int id, unsigned int *size, if (part != NULL && size) *size = part->len << 2; } - up(&smu_part_access); + mutex_unlock(&smu_part_access); return part; } |