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authorBen Gardner <bgardner@wabtec.com>2006-01-18 22:46:26 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2006-03-23 14:21:49 -0800
commit8a05940d742174a87427a3fe746712d49d4b8c4b (patch)
tree0dd0fc84a3b2818c75e0b692ba16fd17b57d60c4 /drivers/i2c
parent9b7b6d3b2b46c5c336a441ed12b504ee192e63b3 (diff)
downloadblackbird-op-linux-8a05940d742174a87427a3fe746712d49d4b8c4b.tar.gz
blackbird-op-linux-8a05940d742174a87427a3fe746712d49d4b8c4b.zip
[PATCH] i2c: scx200_acb remove use of lock_kernel
scx200_acb: remove use of lock_kernel() Signed-off-by: Ben Gardner <bgardner@wabtec.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/scx200_acb.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c
index 517a050625f1..02150bb25d43 100644
--- a/drivers/i2c/busses/scx200_acb.c
+++ b/drivers/i2c/busses/scx200_acb.c
@@ -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);
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