Use dma_alloc_attrs directly instead of the dma_alloc_noncoherent wrapper.
Signed-off-by: Christoph Hellwig hch@lst.de --- drivers/tty/serial/mpsc.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/serial/mpsc.c b/drivers/tty/serial/mpsc.c index 1a60a2063e75..67ffecc50e42 100644 --- a/drivers/tty/serial/mpsc.c +++ b/drivers/tty/serial/mpsc.c @@ -754,9 +754,10 @@ static int mpsc_alloc_ring_mem(struct mpsc_port_info *pi) if (!dma_set_mask(pi->port.dev, 0xffffffff)) { printk(KERN_ERR "MPSC: Inadequate DMA support\n"); rc = -ENXIO; - } else if ((pi->dma_region = dma_alloc_noncoherent(pi->port.dev, + } else if ((pi->dma_region = dma_alloc_attrs(pi->port.dev, MPSC_DMA_ALLOC_SIZE, - &pi->dma_region_p, GFP_KERNEL)) + &pi->dma_region_p, GFP_KERNEL, + DMA_ATTR_NON_CONSISTENT)) == NULL) { printk(KERN_ERR "MPSC: Can't alloc Desc region\n"); rc = -ENOMEM; @@ -771,8 +772,9 @@ static void mpsc_free_ring_mem(struct mpsc_port_info *pi) pr_debug("mpsc_free_ring_mem[%d]: Freeing ring mem\n", pi->port.line);
if (pi->dma_region) { - dma_free_noncoherent(pi->port.dev, MPSC_DMA_ALLOC_SIZE, - pi->dma_region, pi->dma_region_p); + dma_free_attrs(pi->port.dev, MPSC_DMA_ALLOC_SIZE, + pi->dma_region, pi->dma_region_p, + DMA_ATTR_NON_CONSISTENT); pi->dma_region = NULL; pi->dma_region_p = (dma_addr_t)NULL; }