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>

diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c
index 467836057ee5f4884e8ce381a60715514f212cb9..a80d5ea87ccd5f6421323ab951962e4a29a22f2b 100644 (file)
--- 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 be1b1aa96b7ea2bd44d8ab0021a86eacb48a10e8..b2c3d0d5dca3284f5a4aad26761a2650a88814e0 100644 (file)
--- 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);