static int mv88e6xxx_ppu_access_get(struct dsa_switch *ds)
{
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
int ret;
mutex_lock(&ps->ppu_mutex);
/* If the PHY polling unit is enabled, disable it so that
* we can access the PHY registers. If it was already
* disabled, cancel the timer that is going to re-enable
* it.
*/
if (!ps->ppu_disabled) {
ret = mv88e6xxx_ppu_disable(ds);
if (ret < 0) {
mutex_unlock(&ps->ppu_mutex);
return ret;
}
ps->ppu_disabled = 1;
} else {
del_timer(&ps->ppu_timer);
ret = 0;
}
return ret;
}
static int mv88e6xxx_ppu_access_get(struct dsa_switch *ds)
{
struct mv88e6xxx_priv_state *ps = (void *)(ds + 1);
int ret;
mutex_lock(&ps->ppu_mutex);
if (!ps->ppu_disabled) {
ret = mv88e6xxx_ppu_disable(ds);
if (ret < 0) {
mutex_unlock(&ps->ppu_mutex);
return ret;
}
ps->ppu_disabled = 1;
} else {
del_timer(&ps->ppu_timer);
ret = 0;
}
return ret;
}
