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authorTakashi Iwai <tiwai@suse.de>2014-01-08 15:12:25 (GMT)
committerTakashi Iwai <tiwai@suse.de>2014-01-09 06:32:10 (GMT)
commit47d98c026ef9a9888c36f3c4f26b81f548a0ca86 (patch)
tree11601d8b6644c5a2dd75469978151d51ef6fb7e9 /sound/pci/rme9652/hdsp.c
parentd7b135410e1b2f5ad64e56df09d133a23aa9fbcb (diff)
downloadlinux-47d98c026ef9a9888c36f3c4f26b81f548a0ca86.tar.xz
ALSA: Remove memory reservation code from memalloc helper
Nowadays we have CMA for obtaining the contiguous memory pages efficiently. Let's kill the old kludge for reserving the memory pages for large buffers. It was rarely useful (only for preserving pages among module reloading or a little help by an early boot scripting), used only by a couple of drivers, and yet it gives too much ugliness than its benefit. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/rme9652/hdsp.c')
-rw-r--r--sound/pci/rme9652/hdsp.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c
index f59a321..bd90c80 100644
--- a/sound/pci/rme9652/hdsp.c
+++ b/sound/pci/rme9652/hdsp.c
@@ -584,10 +584,6 @@ static int snd_hammerfall_get_buffer(struct pci_dev *pci, struct snd_dma_buffer
{
dmab->dev.type = SNDRV_DMA_TYPE_DEV;
dmab->dev.dev = snd_dma_pci_data(pci);
- if (snd_dma_get_reserved_buf(dmab, snd_dma_pci_buf_id(pci))) {
- if (dmab->bytes >= size)
- return 0;
- }
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
size, dmab) < 0)
return -ENOMEM;
@@ -596,10 +592,8 @@ static int snd_hammerfall_get_buffer(struct pci_dev *pci, struct snd_dma_buffer
static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_dev *pci)
{
- if (dmab->area) {
- dmab->dev.dev = NULL; /* make it anonymous */
- snd_dma_reserve_buf(dmab, snd_dma_pci_buf_id(pci));
- }
+ if (dmab->area)
+ snd_dma_free_pages(dmab);
}