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>

2 files changed, 6 insertions, 12 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);
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index be1b1aa96b7e..b2c3d0d5dca3 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -2534,12 +2534,10 @@ static int snd_dbri_create(struct snd_card *card,
         dbri->op = op;
         dbri->irq = irq;
 
-        dbri->dma = dma_alloc_coherent(&op->dev,
-                                       sizeof(struct dbri_dma),
-                                       &dbri->dma_dvma, GFP_ATOMIC);
+        dbri->dma = dma_zalloc_coherent(&op->dev, sizeof(struct dbri_dma),
+                                        &dbri->dma_dvma, GFP_ATOMIC);
         if (!dbri->dma)
                 return -ENOMEM;
-        memset((void *)dbri->dma, 0, sizeof(struct dbri_dma));
 
         dprintk(D_GEN, "DMA Cmd Block 0x%p (0x%08x)\n",
                 dbri->dma, dbri->dma_dvma);