diff options
Diffstat (limited to 'drivers/dpll/dpll_core.c')
| -rw-r--r-- | drivers/dpll/dpll_core.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/dpll/dpll_core.c b/drivers/dpll/dpll_core.c index 5152bd1b0daf59..7f686d179fc93c 100644 --- a/drivers/dpll/dpll_core.c +++ b/drivers/dpll/dpll_core.c @@ -508,6 +508,26 @@ err_pin_prop: return ERR_PTR(ret); } +static void dpll_netdev_pin_assign(struct net_device *dev, struct dpll_pin *dpll_pin) +{ + rtnl_lock(); + rcu_assign_pointer(dev->dpll_pin, dpll_pin); + rtnl_unlock(); +} + +void dpll_netdev_pin_set(struct net_device *dev, struct dpll_pin *dpll_pin) +{ + WARN_ON(!dpll_pin); + dpll_netdev_pin_assign(dev, dpll_pin); +} +EXPORT_SYMBOL(dpll_netdev_pin_set); + +void dpll_netdev_pin_clear(struct net_device *dev) +{ + dpll_netdev_pin_assign(dev, NULL); +} +EXPORT_SYMBOL(dpll_netdev_pin_clear); + /** * dpll_pin_get - find existing or create new dpll pin * @clock_id: clock_id of creator @@ -564,7 +584,7 @@ void dpll_pin_put(struct dpll_pin *pin) xa_destroy(&pin->parent_refs); xa_erase(&dpll_pin_xa, pin->id); dpll_pin_prop_free(&pin->prop); - kfree(pin); + kfree_rcu(pin, rcu); } mutex_unlock(&dpll_lock); } |