summaryrefslogtreecommitdiffstats
path: root/arch/mips/basler/excite/excite_iodev.c
diff options
context:
space:
mode:
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-15 07:44:51 +0200
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-15 07:44:51 +0200
commit43d2548bb2ef7e6d753f91468a746784041e522d (patch)
tree77d13fcd48fd998393abb825ec36e2b732684a73 /arch/mips/basler/excite/excite_iodev.c
parentpowerpc: Fix pte_update for CONFIG_PTE_64BIT and !PTE_ATOMIC_UPDATES (diff)
parentMerge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm (diff)
downloadlinux-43d2548bb2ef7e6d753f91468a746784041e522d.tar.xz
linux-43d2548bb2ef7e6d753f91468a746784041e522d.zip
Merge commit '85082fd7cbe3173198aac0eb5e85ab1edcc6352c' into test-build
Manual fixup of: arch/powerpc/Kconfig
Diffstat (limited to 'arch/mips/basler/excite/excite_iodev.c')
-rw-r--r--arch/mips/basler/excite/excite_iodev.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/mips/basler/excite/excite_iodev.c b/arch/mips/basler/excite/excite_iodev.c
index 476d20e08d0e..a1e3526b4a94 100644
--- a/arch/mips/basler/excite/excite_iodev.c
+++ b/arch/mips/basler/excite/excite_iodev.c
@@ -26,6 +26,7 @@
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/miscdevice.h>
+#include <linux/smp_lock.h>
#include "excite_iodev.h"
@@ -110,8 +111,14 @@ static int __exit iodev_remove(struct device *dev)
static int iodev_open(struct inode *i, struct file *f)
{
- return request_irq(iodev_irq, iodev_irqhdl, IRQF_DISABLED,
+ int ret;
+
+ lock_kernel();
+ ret = request_irq(iodev_irq, iodev_irqhdl, IRQF_DISABLED,
iodev_name, &miscdev);
+ unlock_kernel();
+
+ return ret;
}
static int iodev_release(struct inode *i, struct file *f)