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 edb32e3f1e84520a341b3a0d60f69f99997ebc25..2f43a58cb3923affa749ce2b0bb7e947dbcdab36 100644 (file)
--- 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,