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ARM i.MX DMA: return gracefully on different socs

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Code called from an initcall can be maybe called for
machines it's not intended for. So check for valid
machines and return gracefully if an incompatible machine
is found.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2010-11-04 23:07:56 +01:00
parent ec4bb253fc
commit 8bffb77e19
1 changed files with 1 additions and 1 deletions
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arch/arm/mach-imx/dma-v1.c
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@ -818,7 +818,7 @@ static int __init imx_dma_init(void)
imx_dmav1_baseaddr = MX27_IO_ADDRESS(MX27_DMA_BASE_ADDR);
else
#endif
BUG();
return 0;
dma_clk = clk_get(NULL, "dma");
clk_enable(dma_clk);