On Mon, Jun 13, 2016 at 10:29:34AM +0100, Mark Brown wrote: > On Mon, Jun 13, 2016 at 08:41:12AM +0100, Sudip Mukherjee wrote: > > On Sun, Jun 12, 2016 at 02:32:24PM -0700, Jerry Snitselaar wrote: > > > > config SND_SOC_CYGNUS > > > tristate "SoC platform audio for Broadcom Cygnus chips" > > > depends on ARCH_BCM_CYGNUS || COMPILE_TEST > > > + depends on HAS_DMA > > > help > > > Say Y if you want to add support for ASoC audio on Broadcom > > > Cygnus chips (bcm958300, bcm958305, bcm911360) > > > well, I have been doing the exact same thing for all the drivers that was > > failing to build but in my last patch Mark suggested to have stub > > implementation in the arch [1]. So while looking for that I noticed > > bad_dma_ops is not defined by anyone. So what will you suggest? > > 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? Regards Sudip

