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Commit fc12c116 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Greg Kroah-Hartman
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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: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 27c310c5

drivers/tty/serial/mpsc.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -753,7 +753,7 @@ static int mpsc_alloc_ring_mem(struct mpsc_port_info *pi) 
		pi->port.line);

		pi->port.line);





	if (!pi->dma_region) {

	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");

			printk(KERN_ERR "MPSC: Inadequate DMA support\n");

			rc = -ENXIO;

			rc = -ENXIO;

		} else if ((pi->dma_region = dma_alloc_noncoherent(pi->port.dev,

		} else if ((pi->dma_region = dma_alloc_noncoherent(pi->port.dev,