Messages in this thread | | | Date | Mon, 13 Jun 2016 13:11:05 +0100 | From | Sudip Mukherjee <> | Subject | Re: [PATCH] dma: remove bad_dma_ops to fix build fail |
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On Mon, Jun 13, 2016 at 12:59:11PM +0100, Mark Brown wrote: > On Mon, Jun 13, 2016 at 11:51:08AM +0100, Sudip Mukherjee wrote: > > On Mon, Jun 13, 2016 at 10:29:34AM +0100, Mark Brown wrote: > > > > Right, we've got a couple of obscure architectures with no DMA support > > > which are leading to a constant stream of patches like this that are > > > being triggered by compile coverage stuff. In situations like this we > > > very often provide stubs rather than having to handle this in lots of > > > different places in the code. > > > Ok, I will do that. But I am seeing arch/m32r/include/asm/m32102.h is > > defining the DMA Controller registers and also a MAX_DMA_ADDRESS is > > defined in dma.h. Doesn't that mean that this arch is capable of DMA? > > Quite possibly, but they don't seem to implement the standard interfaces > for generic code (this sort of thing is quite common for the less widely > used architectures sadly).
If only I had a board to play with the DMA code. :(
I will go for the stub like you said.
Regards Sudip
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