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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-04-02 13:53:15 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-05-03 14:16:55 +0100 |
| commit | 69f4f331a0f78470f0bc42ba8db8d6cdd9cae4a9 (patch) | |
| tree | 101ac757b60dfcef2de1e3ea49ee803190279c90 /arch/arm | |
| parent | 235b185ce47ce64793362bd3ae4bcd8afc6b57b8 (diff) | |
| download | kernel_samsung_crespo-69f4f331a0f78470f0bc42ba8db8d6cdd9cae4a9.zip kernel_samsung_crespo-69f4f331a0f78470f0bc42ba8db8d6cdd9cae4a9.tar.gz kernel_samsung_crespo-69f4f331a0f78470f0bc42ba8db8d6cdd9cae4a9.tar.bz2 | |
[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: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/kernel/ecard.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index f1c0fb9..6eb80ac 100644 --- a/arch/arm/kernel/ecard.c +++ b/arch/arm/kernel/ecard.c @@ -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, |