On Wed, Jan 26, 2022 at 11:16:13AM +0100, Miquel Raynal wrote: > Hello, > > miquel.raynal@xxxxxxxxxxx wrote on Fri, 14 Jan 2022 08:27:18 +0100: > > > Hi Konrad, > > > > konrad.dybcio@xxxxxxxxxxxxxx wrote on Thu, 13 Jan 2022 19:44:26 +0100: > > > > > While I have absolutely 0 idea why and how, running clear_bam_transaction > > > when READID is issued makes the DMA totally clog up and refuse to function > > > at all on mdm9607. In fact, it is so bad that all the data gets garbled > > > and after a short while in the nand probe flow, the CPU decides that > > > sepuku is the only option. > > > > > > Removing _READID from the if condition makes it work like a charm, I can > > > read data and mount partitions without a problem. > > > > > > Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx> > > > --- > > > This is totally just an observation which took me an inhumane amount of > > > debug prints to find.. perhaps there's a better reason behind this, but > > > I can't seem to find any answers.. Therefore, this is a BIG RFC! > > > > I'm adding two people from codeaurora who worked a lot on this driver. > > Hopefully they will have an idea :) > > Sadre, I've spent a significant amount of time reviewing your patches, > now it's your turn to not take a month to answer to your peers > proposals. > > Please help reviewing this patch. > Sorry. I was hoping that Qcom folks would chime in as I don't have any idea about the mdm9607 platform. It could be that the mail server migration from codeaurora to quicinc put a barrier here. Let me ping them internally. > BTW why is this driver still using cmdfund? It should have been > migrated to ->exec_op() a long time ago. I'll look into it. Thanks, Mani > > Thanks, > Miquèl
