Hi Min, On Fri, Jan 18, 2019 at 02:14:14PM +0800, Min Guo wrote: > On Thu, 2019-01-17 at 06:33 -0800, Tony Lindgren wrote: > > Hi, > > > > * min.guo@xxxxxxxxxxxx <min.guo@xxxxxxxxxxxx> [190117 07:16]: > > > There are some quirk of MediaTek musb controller, such as: > > > -W1C interrupt status registers > > > -Private data toggle registers > > > -No dedicated DMA interrupt line > > > > Can you please separate the musb generic changes listed above > > into separate individual patches in preparation for adding > > support for new hardware? > > > > Otherwise we'll have hard time finding out with git bisect what > > exactly breaks things if we run into trouble. > > Thanks for your suggestion. > I prepared to divide these changes into separate patches. Later, Mr.Bin > suggested not to do this. Initially I thought the clearb/w() changes should be just a couple lines, so didn't think to separate it. But after reviewed the final implemenation, I agree Tony's comment is the right thing to do, please separate the musb core changes, each for clearb/w(), get/set_toggle(), and dma. Regards, -Bin.