linux-kernel - [PATCH 09/15] mpsc: use dma_set_mask insted of dma

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Date:	Sat,  3 Oct 2015 17:19:33 +0200
From:	Christoph Hellwig <hch@....de>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Don Fry <pcnet32@...ntier.com>,
	Oliver Neukum <oneukum@...e.com>
Cc:	linux-net-drivers@...arflare.com, dri-devel@...ts.freedesktop.org,
	linux-media@...r.kernel.org, netdev@...r.kernel.org,
	linux-parisc@...r.kernel.org, linux-serial@...r.kernel.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 09/15] mpsc: use dma_set_mask insted of dma_supported

This ensures the dma mask that is supported by the driver is recorded
in the device structure.

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

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,
-- 
1.9.1

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