[PATCH 5/8] dmaengine: ste_dma40: Ensure src and dst registers are configured correctly

Arnd Bergmann arnd at arndb.de
Tue Apr 9 14:57:29 EDT 2013


On Tuesday 09 April 2013, Lee Jones wrote:
> Confusingly d40_log_cfg() is used to set up the logical channel
> configuration registers, but d40_phy_cfg() is used to configure
> physical and logical registers, so it should be called in both
> cases. It is the function call's final attribute which determines
> whether it's a physical or logical channel, not whether the
> function is called or not.

So how did it ever work? Your description sounds like it was
broken all along, but I would assume that someone tested the code.

	Arnd



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