Commit 69f4f331 authored by Russell King's avatar Russell King Committed by Russell King

[ARM] Set coherent DMA mask for Acorn expansion cards

Although expansion cards can't do bus-master DMA, subsystems
want to be able to use coherent memory for DMA purposes to
these cards.  Therefore, set the coherent DMA mask to allow
such memory to be allocated.
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 235b185c
......@@ -825,6 +825,7 @@ static struct expansion_card *__init ecard_alloc_card(int type, int slot)
ec->dev.bus = &ecard_bus_type;
ec->dev.dma_mask = &ec->dma_mask;
ec->dma_mask = (u64)0xffffffff;
ec->dev.coherent_dma_mask = ec->dma_mask;
if (slot < 4) {
ec_set_resource(ec, ECARD_RES_MEMC,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment