diff options
| author | Takashi Iwai <tiwai@suse.de> | 2021-07-28 13:23:51 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-07-30 17:20:50 +0100 |
| commit | 42bc62c9f1d3d4880bdc27acb5ab4784209bb0b0 (patch) | |
| tree | ebc458fe7e50c26dfabb8cf793c37b253470da90 /sound | |
| parent | 2e6b836312a477d647a7920b56810a5a25f6c856 (diff) | |
| download | lwn-42bc62c9f1d3d4880bdc27acb5ab4784209bb0b0.tar.gz lwn-42bc62c9f1d3d4880bdc27acb5ab4784209bb0b0.zip | |
ASoC: xilinx: Fix reference to PCM buffer address
PCM buffers might be allocated dynamically when the buffer
preallocation failed or a larger buffer is requested, and it's not
guaranteed that substream->dma_buffer points to the actually used
buffer. The driver needs to refer to substream->runtime->dma_addr
instead for the buffer address.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20210728112353.6675-4-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/xilinx/xlnx_formatter_pcm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/xilinx/xlnx_formatter_pcm.c b/sound/soc/xilinx/xlnx_formatter_pcm.c index 1d59fb668c77..91afea9d5de6 100644 --- a/sound/soc/xilinx/xlnx_formatter_pcm.c +++ b/sound/soc/xilinx/xlnx_formatter_pcm.c @@ -452,8 +452,8 @@ static int xlnx_formatter_pcm_hw_params(struct snd_soc_component *component, stream_data->buffer_size = size; - low = lower_32_bits(substream->dma_buffer.addr); - high = upper_32_bits(substream->dma_buffer.addr); + low = lower_32_bits(runtime->dma_addr); + high = upper_32_bits(runtime->dma_addr); writel(low, stream_data->mmio + XLNX_AUD_BUFF_ADDR_LSB); writel(high, stream_data->mmio + XLNX_AUD_BUFF_ADDR_MSB); |