On Thu, 27 Dec 2018 at 15:44, Adrian Hunter <adrian.hunter@xxxxxxxxx> wrote: > > On 11/12/18 11:12 AM, Chunyan Zhang wrote: > > Some standard SD host controllers can support both external dma > > controllers as well as ADMA/SDMA in which the SD host controller > > acts as DMA master. TI's omap controller is the case as an example. > > > > Currently the generic SDHCI code supports ADMA/SDMA integrated in > > the host controller but does not have any support for external DMA > > controllers implemented using dmaengine, meaning that custom code is > > needed for any systems that use an external DMA controller with SDHCI. > > > > Signed-off-by: Chunyan Zhang <zhang.chunyan@xxxxxxxxxx> > > FYI, I am waiting on successful testing before reviewing these patches again. Yeah, that makes sense, thanks Adrian! I intend to send out another new patchset after the holidays. After had another look at omap_hsmmc, I knew something need to be modified (emailed Faiz about this privately), but I was still not sure if it can fix the problem Faiz found. Happy new year to all, Chunyan
