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| author | Joe Perches <joe@perches.com> | 2014-06-15 13:37:55 -0700 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-06-16 11:39:45 +0200 |
| commit | 7f0f20486f4d3da7abaf0099738708881196aa2f (patch) | |
| tree | 5f89373086e652a603cefda67d06aeafc346dcf8 /sound/aoa | |
| parent | 74b0c2d75fb4cc89173944e6d8f9eb47aca0c343 (diff) | |
| download | lwn-7f0f20486f4d3da7abaf0099738708881196aa2f.tar.gz lwn-7f0f20486f4d3da7abaf0099738708881196aa2f.zip | |
ALSA: Use dma_zalloc_coherent
Use the zeroing function instead of dma_alloc_coherent & memset(,0,)
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/aoa')
| -rw-r--r-- | sound/aoa/soundbus/i2sbus/core.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c index 467836057ee5..a80d5ea87ccd 100644 --- a/sound/aoa/soundbus/i2sbus/core.c +++ b/sound/aoa/soundbus/i2sbus/core.c @@ -47,15 +47,11 @@ static int alloc_dbdma_descriptor_ring(struct i2sbus_dev *i2sdev, /* We use the PCI APIs for now until the generic one gets fixed * enough or until we get some macio-specific versions */ - r->space = dma_alloc_coherent( - &macio_get_pci_dev(i2sdev->macio)->dev, - r->size, - &r->bus_addr, - GFP_KERNEL); + r->space = dma_zalloc_coherent(&macio_get_pci_dev(i2sdev->macio)->dev, + r->size, &r->bus_addr, GFP_KERNEL); + if (!r->space) + return -ENOMEM; - if (!r->space) return -ENOMEM; - - memset(r->space, 0, r->size); r->cmds = (void*)DBDMA_ALIGN(r->space); r->bus_cmd_start = r->bus_addr + (dma_addr_t)((char*)r->cmds - (char*)r->space); |