diff options
| author | Martin Blumenstingl <martin.blumenstingl@googlemail.com> | 2021-12-07 00:08:03 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-12-14 20:15:29 +0300 |
| commit | 1bcd326631dc4faa3322d60b4fc45e8b3747993e (patch) | |
| tree | 5cd459fba7a7c317eda8e0cf42613bcb85afaa88 /sound | |
| parent | 80d5be1a057e05f01d66e986cfd34d71845e5190 (diff) | |
| download | linux-1bcd326631dc4faa3322d60b4fc45e8b3747993e.tar.xz | |
ASoC: meson: aiu: fifo: Add missing dma_coerce_mask_and_coherent()
The FIFO registers which take an DMA-able address are only 32-bit wide
on AIU. Add dma_coerce_mask_and_coherent() to make the DMA core aware of
this limitation.
Fixes: 6ae9ca9ce986bf ("ASoC: meson: aiu: add i2s and spdif support")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20211206210804.2512999-2-martin.blumenstingl@googlemail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/meson/aiu-fifo.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/meson/aiu-fifo.c b/sound/soc/meson/aiu-fifo.c index 4ad23267cace..d67ff4cdabd5 100644 --- a/sound/soc/meson/aiu-fifo.c +++ b/sound/soc/meson/aiu-fifo.c @@ -5,6 +5,7 @@ #include <linux/bitfield.h> #include <linux/clk.h> +#include <linux/dma-mapping.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/soc-dai.h> @@ -179,6 +180,11 @@ int aiu_fifo_pcm_new(struct snd_soc_pcm_runtime *rtd, struct snd_card *card = rtd->card->snd_card; struct aiu_fifo *fifo = dai->playback_dma_data; size_t size = fifo->pcm->buffer_bytes_max; + int ret; + + ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_DEV, card->dev, size, size); |