spi: Remove BKL from spidev_open

The BKL was added there with the big pushdown. Remove it as the code
is serialized already.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <20091010153349.318535932@linutronix.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>

diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 5d23983f02fc7a70f69a1989f4bcccac46bba6a8..815a65012cbfc75851bea12db1515d1072635f64 100644 (file)
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -30,7 +30,6 @@
 #include <linux/errno.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
-#include <linux/smp_lock.h>
 
 #include <linux/spi/spi.h>
 #include <linux/spi/spidev.h>
@@ -477,7 +476,6 @@ static int spidev_open(struct inode *inode, struct file *filp)
        struct spidev_data      *spidev;
        int                     status = -ENXIO;
 
-       lock_kernel();
        mutex_lock(&device_list_lock);
 
        list_for_each_entry(spidev, &device_list, device_entry) {
@@ -503,7 +501,6 @@ static int spidev_open(struct inode *inode, struct file *filp)
                pr_debug("spidev: nothing for minor %d\n", iminor(inode));
 
        mutex_unlock(&device_list_lock);
-       unlock_kernel();
        return status;
 }