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| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2018-09-06 05:21:47 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-09-06 12:13:24 +0200 |
| commit | 6c92d5a2744e27619a8fcc9d74b91ee9f1cdebd1 (patch) | |
| tree | 335404facbecb446b854b847828dac5b02947a3f /sound/arm/aaci.h | |
| parent | ASoC: rsnd: adg: care clock-frequency size (diff) | |
| download | linux-6c92d5a2744e27619a8fcc9d74b91ee9f1cdebd1.tar.xz linux-6c92d5a2744e27619a8fcc9d74b91ee9f1cdebd1.zip | |
ASoC: rsnd: don't fallback to PIO mode when -EPROBE_DEFER
Current rsnd driver will fallback to PIO mode if it can't get DMA
handler. But, DMA might return -EPROBE_DEFER when probe timing.
This driver always fallback to PIO mode especially from
commit ac6bbf0cdf4206c ("iommu: Remove IOMMU_OF_DECLARE") because
of this reason.
The DMA driver will be probed later, but sound driver might be
probed as PIO mode in such case. This patch fixup this issue.
Then, -EPROBE_DEFER is not error. Thus, let's don't indicate error
message in such case.
And it needs to call rsnd_adg_remove() individually if probe failed,
because it registers clk which should be unregister.
Maybe PIO fallback feature itself is not needed,
but let's keep it so far.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/arm/aaci.h')
0 files changed, 0 insertions, 0 deletions