]> git.baikalelectronics.ru Git - kernel.git/commit
ASoC: topology: Change topology device to card device
authorAmadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Fri, 15 Oct 2021 16:12:56 +0000 (18:12 +0200)
committerMark Brown <broonie@kernel.org>
Fri, 29 Oct 2021 15:49:44 +0000 (16:49 +0100)
commit202339a88cfa4feeb0c7a78d17e7f5162ed68b3b
treeb14fefbeab67f3ffe3861a33cfa8d71064ddaf88
parentb96d692ea77f709a38231e4143b7db85e30a5c63
ASoC: topology: Change topology device to card device

Topology needs device for prints and resource allocation. So far,
component->dev is used. However, this may lead to high memory use in
model where card is an independent driver which can be reloaded and
topology is loaded from component's probe() method. Every time machine
driver is reloaded topology is being loaded anew, each time allocating
new memory. Said memory will only be freed when component itself is
being freed.

Address the problem by tying topology to component->card->dev instead,
so memory occupied by the topology is freed whenever related machine
device gets removed.

Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20211015161257.27052-6-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/soc-topology.c