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[09/15] mpsc: use dma_set_mask insted of dma_supported

Message ID 1443885579-7094-10-git-send-email-hch@lst.de
State Not Applicable, archived
Delegated to: David Miller
Headers show

Commit Message

Christoph Hellwig Oct. 3, 2015, 3:19 p.m. UTC 
This ensures the dma mask that is supported by the driver is recorded
in the device structure.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/tty/serial/mpsc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/tty/serial/mpsc.c b/drivers/tty/serial/mpsc.c
index 82bb6d1..11e084e 100644
--- a/drivers/tty/serial/mpsc.c
+++ b/drivers/tty/serial/mpsc.c
@@ -755,7 +755,7 @@  static int mpsc_alloc_ring_mem(struct mpsc_port_info *pi)
 		pi->port.line);
 
 	if (!pi->dma_region) {
-		if (!dma_supported(pi->port.dev, 0xffffffff)) {
+		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,