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authorChristoph Hellwig <hch@lst.de>2017-06-16 09:17:10 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-20 10:24:15 +0800
commit7b45fff006dd17ca7752e772bf9d347266e081b1 (patch)
tree153883ae2c00bbbffa8b7f9397a882dcd458448d /drivers/tty
parente36361d70e9729ee2334fcb260014a3ff275c2e0 (diff)
serial/mpsc: switch to dma_alloc_attrs
Use dma_alloc_attrs directly instead of the dma_alloc_noncoherent wrapper. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/mpsc.c10
1 files 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;
}