diff options
| author | Cássio Gabriel <cassiogabrielcontato@gmail.com> | 2026-05-27 16:41:48 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-06-02 18:10:34 +0300 |
| commit | bee65e00c0924ebecf97718d95dcf4a05ee36471 (patch) | |
| tree | cae3133d15441a496995072a3f96035bbc032a12 | |
| parent | e43ffb69e0438cddd72aaa30898b4dc446f664f8 (diff) | |
| download | linux-bee65e00c0924ebecf97718d95dcf4a05ee36471.tar.xz | |
ASoC: mediatek: mt8183: Release reserved memory on cleanup
The MT8183 AFE probe can assign reserved memory with
of_reserved_mem_device_init(), but the assignment is never released on
driver removal or later probe failures.
Register a devm cleanup action so the reserved memory assignment is
released consistently, matching newer Mediatek AFE drivers.
Fixes: ec4a10ca4a68 ("ASoC: mediatek: use reserved memory or enable buffer pre-allocation")
Cc: stable@vger.kernel.org
Signed-off-by: Cássio Gabriel <cassiogabrielcontato@gmail.com>
Link: https://patch.msgid.link/20260527-asoc-mt8183-probe-cleanup-v1-1-4f4f5593c8d1@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/mediatek/mt8183/mt8183-afe-pcm.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt8183/mt8183-afe-pcm.c b/sound/soc/mediatek/mt8183/mt8183-afe-pcm.c index a7fef772760a..49a69728fd72 100644 --- a/sound/soc/mediatek/mt8183/mt8183-afe-pcm.c +++ b/sound/soc/mediatek/mt8183/mt8183-afe-pcm.c @@ -766,6 +766,11 @@ static const dai_register_cb dai_register_cbs[] = { mt8183_dai_memif_register, }; +static void mt8183_afe_release_reserved_mem(void *data) +{ + of_reserved_mem_device_release(data); +} + static int mt8183_afe_pcm_dev_probe(struct platform_device *pdev) { struct mtk_base_afe *afe; @@ -794,6 +799,12 @@ static int mt8183_afe_pcm_dev_probe(struct platform_device *pdev) if (ret) { dev_info(dev, "no reserved memory found, pre-allocating buffers instead\n"); afe->preallocate_buffers = true; + } else { + ret = devm_add_action_or_reset(dev, + mt8183_afe_release_reserved_mem, + dev); + if (ret) + return ret; } /* initial audio related clock */ |