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Commit 8a05940d authored by Ben Gardner's avatar Ben Gardner Committed by Greg Kroah-Hartman
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[PATCH] i2c: scx200_acb remove use of lock_kernel 



scx200_acb: remove use of lock_kernel()

Signed-off-by: default avatarBen Gardner <bgardner@wabtec.com>
Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 9b7b6d3b

drivers/i2c/busses/scx200_acb.c

+7 −6
Original line number Diff line number Diff line
@@ -378,6 +378,7 @@ static struct i2c_algorithm scx200_acb_algorithm = { 
};



static struct scx200_acb_iface *scx200_acb_list;

static DECLARE_MUTEX(scx200_acb_list_mutex);



static int scx200_acb_probe(struct scx200_acb_iface *iface)

{
@@ -463,10 +464,10 @@ static int __init scx200_acb_create(int base, int index) 
		goto errout_release;

	}



	lock_kernel();

	down(&scx200_acb_list_mutex);

	iface->next = scx200_acb_list;

	scx200_acb_list = iface;

	unlock_kernel();

	up(&scx200_acb_list_mutex);



	return 0;
@@ -509,17 +510,17 @@ static void __exit scx200_acb_cleanup(void) 
{

	struct scx200_acb_iface *iface;



	lock_kernel();

	down(&scx200_acb_list_mutex);

	while ((iface = scx200_acb_list) != NULL) {

		scx200_acb_list = iface->next;

		unlock_kernel();

		up(&scx200_acb_list_mutex);



		i2c_del_adapter(&iface->adapter);

		release_region(iface->base, 8);

		kfree(iface);

		lock_kernel();

		down(&scx200_acb_list_mutex);

	}

	unlock_kernel();

	up(&scx200_acb_list_mutex);

}



module_init(scx200_acb_init);