ARM: OMAP: Get available DMA channels from cmdline

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This patch set up a cmdline option for omap dma for masking the
available channels. It is needed since the OMAP DMA is a system wide
resource and can be used by another software apart from the kernel.

To reserve the omap SDMA channels for kernel dma usage, use cmdline
bootarg "omap_dma_reserve_ch=". The valid range is 1 to 32.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Nishant Kamat <nskamat@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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Santosh Shilimkar 2009-03-23 18:07:48 -07:00 • committed by Tony Lindgren

parent 7954763bb9

commit 2263f0222e

1 changed files with 19 additions and 1 deletions

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arch/arm/plat-omap/dma.c

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