This ensures the dma mask that is supported by the driver is recorded
in the device structure.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
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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