Commit cb01b633 authored Aug 28, 2012 by Marek Szyprowski

ARM: Kirkwood: increase atomic coherent pool size



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>

parent fb71285f

arch/arm/mach-kirkwood/common.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -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;