On 2/27/25 3:36 PM, Romain Gantois wrote:
On mardi 25 février 2025 12:39:34 heure normale d’Europe centrale Cosmin Tanislav wrote:This is the same logic as in i2c_atr_create_mapping_by_addr(). Signed-off-by: Cosmin Tanislav <demonsingur@xxxxxxxxx> --- drivers/i2c/i2c-atr.c | 30 ++++++------------------------ 1 file changed, 6 insertions(+), 24 deletions(-) diff --git a/drivers/i2c/i2c-atr.c b/drivers/i2c/i2c-atr.c index b62aa6ae452e..5b53eaee0408 100644 --- a/drivers/i2c/i2c-atr.c +++ b/drivers/i2c/i2c-atr.c @@ -538,38 +538,20 @@ static int i2c_atr_attach_addr(struct i2c_adapter *adapter, struct i2c_atr_chan *chan = adapter->algo_data; struct i2c_atr *atr = chan->atr; struct i2c_atr_alias_pair *c2a; - u16 alias; - int ret; - - ret = i2c_atr_reserve_alias(chan->alias_pool); - if (ret < 0) { - dev_err(atr->dev, "failed to find a free alias\n"); - return ret; - } - - alias = ret; + int ret = 0; mutex_lock(&chan->alias_pairs_lock);A mutex guard could be used here.
Should we be using it in other places in the driver too then? We could leave that conversion for a separate commit.
- c2a = i2c_atr_create_c2a(chan, alias, addr); + c2a = i2c_atr_create_mapping_by_addr(chan, addr); if (!c2a) { - ret = -ENOMEM; - goto err_release_alias; + dev_err(atr->dev, "failed to find a free alias\n"); + ret = -EBUSY; + goto out_unlock; } - ret = atr->ops->attach_addr(atr, chan->chan_id, addr, alias); - if (ret) - goto err_del_c2a; - dev_dbg(atr->dev, "chan%u: using alias 0x%02x for addr 0x%02x\n", - chan->chan_id, alias, addr); + chan->chan_id, c2a->alias, addr); - goto out_unlock; - -err_del_c2a: - i2c_atr_destroy_c2a(&c2a); -err_release_alias: - i2c_atr_release_alias(chan->alias_pool, alias); out_unlock: mutex_unlock(&chan->alias_pairs_lock); return ret;Best Regards,
