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ARM: Kirkwood: increase atomic coherent pool size

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The default 256 KiB coherent pool may be too small for some of the Kirkwood
devices, so increase it to make sure that devices will be able to allocate
their buffers with GFP_ATOMIC flag.

Suggested-by: Josh Coombs <josh.coombs@gmail.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Marek Szyprowski 2012-08-28 20:57:41 +02:00
parent fb71285f0c
commit cb01b633ee
1 changed files with 7 additions and 0 deletions
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7
arch/arm/mach-kirkwood/common.c
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@ -517,6 +517,13 @@ void __init kirkwood_wdt_init(void)
void __init kirkwood_init_early(void)
{
orion_time_set_base(TIMER_VIRT_BASE);
/*
* Some Kirkwood devices allocate their coherent buffers from atomic
* context. Increase size of atomic coherent pool to make sure such
* the allocations won't fail.
*/
init_dma_coherent_pool_size(SZ_1M);
}
int kirkwood_tclk;