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ASoC: uniphier: Fix reference to PCM buffer address

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commit 827f3164aa upstream.

Along with the transition to the managed PCM buffers, the driver now
accepts the dynamically allocated buffer, while it still kept the
reference to the old preallocated buffer address.  This patch corrects
to the right reference via runtime->dma_addr.

(Although this might have been already buggy before the cleanup with
the managed buffer, let's put Fixes tag to point that; it's a corner
case, after all.)

Fixes: d55894bc27 ("ASoC: uniphier: Use managed buffer allocation")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20210728112353.6675-5-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Takashi Iwai 2021-07-28 13:23:52 +02:00 • committed by Greg Kroah-Hartman
commit 7e5a7fa68b
1 changed files with 1 additions and 1 deletions
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2
sound/soc/uniphier/aio-dma.c
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@ -198,7 +198,7 @@ static int uniphier_aiodma_mmap(struct snd_soc_component *component,
vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
return remap_pfn_range(vma, vma->vm_start,
substream->dma_buffer.addr >> PAGE_SHIFT,
substream->runtime->dma_addr >> PAGE_SHIFT,
vma->vm_end - vma->vm_start, vma->vm_page_prot);
}