kfifo: move out spinlock
Move the pointer to the spinlock out of struct kfifo. Most users in
tree do not actually use a spinlock, so the few exceptions now have to
call kfifo_{get,put}_locked, which takes an extra argument to a
spinlock.
Signed-off-by: Stefani Seibold <stefani@seibold.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index f999fba..13dc7be 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -825,7 +825,7 @@
/* kfifo */
spin_lock_init(&fujitsu_hotkey->fifo_lock);
error = kfifo_alloc(&fujitsu_hotkey->fifo, RINGBUFFERSIZE * sizeof(int),
- GFP_KERNEL, &fujitsu_hotkey->fifo_lock);
+ GFP_KERNEL);
if (error) {
printk(KERN_ERR "kfifo_alloc failed\n");
goto err_stop;
@@ -1006,9 +1006,10 @@
vdbg_printk(FUJLAPTOP_DBG_TRACE,
"Push keycode into ringbuffer [%d]\n",
keycode);
- status = kfifo_put(&fujitsu_hotkey->fifo,
+ status = kfifo_put_locked(&fujitsu_hotkey->fifo,
(unsigned char *)&keycode,
- sizeof(keycode));
+ sizeof(keycode),
+ &fujitsu_hotkey->fifo_lock);
if (status != sizeof(keycode)) {
vdbg_printk(FUJLAPTOP_DBG_WARN,
"Could not push keycode [0x%x]\n",
@@ -1019,11 +1020,12 @@
}
} else if (keycode == 0) {
while ((status =
- kfifo_get
- (&fujitsu_hotkey->fifo, (unsigned char *)
- &keycode_r,
- sizeof
- (keycode_r))) == sizeof(keycode_r)) {
+ kfifo_get_locked(
+ &fujitsu_hotkey->fifo,
+ (unsigned char *) &keycode_r,
+ sizeof(keycode_r),
+ &fujitsu_hotkey->fifo_lock))
+ == sizeof(keycode_r)) {
input_report_key(input, keycode_r, 0);
input_sync(input);
vdbg_printk(FUJLAPTOP_DBG_TRACE,