From: Christoph Hellwig <hch@lst.de>
Date: Sat, 3 Oct 2015 15:19:33 +0000 (+0200)
Subject: mpsc: use dma_set_mask insted of dma_supported
X-Git-Tag: KARO-TX6UL-2015-11-03~37^2~45
X-Git-Url: https://git.kernelconcepts.de/?a=commitdiff_plain;h=fc12c116b1982c61dfbb6c00673dac50cc2bd7b5;p=karo-tx-linux.git

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@lst.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/mpsc.c b/drivers/tty/serial/mpsc.c
index edb32e3f1e84..2f43a58cb392 100644
--- a/drivers/tty/serial/mpsc.c
+++ b/drivers/tty/serial/mpsc.c
@@ -753,7 +753,7 @@ 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,