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(-)
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,