diff options
Diffstat (limited to 'sound/core/pcm_memory.c')
| -rw-r--r-- | sound/core/pcm_memory.c | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c index 0af622c34e19..01f8eafebda6 100644 --- a/sound/core/pcm_memory.c +++ b/sound/core/pcm_memory.c @@ -53,15 +53,6 @@ static int preallocate_pcm_pages(struct snd_pcm_substream *substream, size_t siz struct snd_dma_buffer *dmab = &substream->dma_buffer; int err; - /* already reserved? */ - if (snd_dma_get_reserved_buf(dmab, substream->dma_buf_id) > 0) { - if (dmab->bytes >= size) - return 0; /* yes */ - /* no, free the reserved block */ - snd_dma_free_pages(dmab); - dmab->bytes = 0; - } - do { if ((err = snd_dma_alloc_pages(dmab->dev.type, dmab->dev.dev, size, dmab)) < 0) { @@ -82,10 +73,7 @@ static void snd_pcm_lib_preallocate_dma_free(struct snd_pcm_substream *substream { if (substream->dma_buffer.area == NULL) return; - if (substream->dma_buf_id) - snd_dma_reserve_buf(&substream->dma_buffer, substream->dma_buf_id); - else - snd_dma_free_pages(&substream->dma_buffer); + snd_dma_free_pages(&substream->dma_buffer); substream->dma_buffer.area = NULL; } @@ -260,11 +248,6 @@ static int snd_pcm_lib_preallocate_pages1(struct snd_pcm_substream *substream, * * Do pre-allocation for the given DMA buffer type. * - * When substream->dma_buf_id is set, the function tries to look for - * the reserved buffer, and the buffer is not freed but reserved at - * destruction time. The dma_buf_id must be unique for all systems - * (in the same DMA buffer type) e.g. using snd_dma_pci_buf_id(). - * * Return: Zero if successful, or a negative error code on failure. */ int snd_pcm_lib_preallocate_pages(struct snd_pcm_substream *substream, |