Messages in this thread | | | Date | Thu, 25 Sep 2008 14:00:23 -0500 | From | Scott Wood <> | Subject | Re: [PATCH v2] fsl-dma: allow Freescale Elo DMA driver to be compiled as a module |
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Timur Tabi wrote: > There are no dependencies. fsldma registers with the DMA engine, > which is always built in-kernel. The DMA engine is what handles > linking DMA clients to DMA drivers. The DMA clients get a callback > whenever a DMA driver registers with the DMA engine. If the DMA > driver is already registered when the client registers, then the > client will get a callback immediately after it registers. > > I chose subsys_initcall() to increase the probability that fsldma is > already present when DMA clients are loaded/initialized and register.
If there's no dependency, why does it matter whether fsldma is already present?
-Scott
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