On Tue, Jun 06, 2017 at 07:30:23PM -0300, Fabio Estevam wrote: > On Tue, Jun 6, 2017 at 7:22 PM, Stefan Agner <stefan@xxxxxxxx> wrote: > > > Not sure, is really every ARCH_MXS/MXC supporting DMA? > > All ARCH_MXS (mx23 and mx28) support MXS DMA. > > Not every ARCH_MXC supports MXS DMA. For example > mx27/25/31/35/50/51/53 do not have the mxs dma block. > > > But then, is it a problem if we allow to enable a driver although not > > available in a certain SoC? > > I don't think it is a problem. And if the SoC doesn't support, do you see an issue? The module should just get init and keep quiet, it wont get probed. > > Currently we do the same for the sdma driver. > > IMX_SDMA also contains 'depends on ARCH_MXC' even though not all > ARCH_MXC has the the SDMA engine. mx27, for example does not have it, > so this proposal seems safe. -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html