sky2: backout NAPI reschedule

[powerpc.git] / drivers / macintosh / smu.c

diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index db2ae71..f4516ca 100644 (file)
--- 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);
 
@@ -629,8 +630,6 @@ static struct of_platform_driver smu_of_platform_driver =
 
 static int __init smu_init_sysfs(void)
 {
-       int rc;
-
        /*
         * Due to sysfs bogosity, a sysdev is not a real device, so
         * we should in fact create both if we want sysdev semantics
@@ -639,7 +638,7 @@ static int __init smu_init_sysfs(void)
         * I'm a bit too far from figuring out how that works with those
         * new chipsets, but that will come back and bite us
         */
-       rc = of_register_driver(&smu_of_platform_driver);
+       of_register_driver(&smu_of_platform_driver);
        return 0;
 }
 
@@ -978,11 +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);
@@ -992,7 +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;
 }