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arch/powerpc/fsl_rmu: Use dma_zalloc_coherent
Replaced dma_alloc_coherent + memset with dma_zalloc_coherent Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com> Signed-off-by: Scott Wood <oss@buserror.net>
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parent
8c6c942d33
commit
7811eade24
@ -756,15 +756,13 @@ fsl_open_outb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entries)
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}
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}
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/* Initialize outbound message descriptor ring */
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/* Initialize outbound message descriptor ring */
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rmu->msg_tx_ring.virt = dma_alloc_coherent(priv->dev,
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rmu->msg_tx_ring.virt = dma_zalloc_coherent(priv->dev,
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rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE,
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rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE,
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&rmu->msg_tx_ring.phys, GFP_KERNEL);
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&rmu->msg_tx_ring.phys, GFP_KERNEL);
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if (!rmu->msg_tx_ring.virt) {
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if (!rmu->msg_tx_ring.virt) {
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rc = -ENOMEM;
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rc = -ENOMEM;
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goto out_dma;
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goto out_dma;
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}
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}
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memset(rmu->msg_tx_ring.virt, 0,
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rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE);
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rmu->msg_tx_ring.tx_slot = 0;
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rmu->msg_tx_ring.tx_slot = 0;
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/* Point dequeue/enqueue pointers at first entry in ring */
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/* Point dequeue/enqueue pointers at first entry in ring */
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