Hi Scott, On Tue, 03 May 2016 00:06:45 -0500 Scott Wood <o...@buserror.net> wrote:
> On Mon, 2016-04-25 at 22:53 +0200, Boris Brezillon wrote: > > On Mon, 25 Apr 2016 13:36:46 -0400 > > Tom Rini <tr...@konsulko.com> wrote: > > > > > On Mon, Apr 25, 2016 at 04:43:14PM +0200, Boris Brezillon wrote: > > > > > > > Hi Scott, > > > > > > > > I've recently contributed a lot of MTD/NAND related patches (and intend > > > > to continue doing so). Some of them are transversal changes touching the > > > > MTD and NAND framework internals, which implies patching all NAND > > > > drivers along with the core changes. > > > > > > > > All those changes are required to properly handle modern NANDs (MLC/TLC > > > > NANDs), and I need them to add proper NAND support to the sunxi > > > > platform (and more particularly to the C.H.I.P from NextThing Co.). > > > > > > > > So my question is, how should I port those changes to U-Boot? I see > > > > that your doing "synchronization commits", but in my case this mean > > > > including a bunch of driver specific changes into this "sync commit". > > > > > > > > I think it's also worth mentioning that I plan to heavily rework the > > > > Linux NAND framework to improve NAND performances on modern NAND > > > > controllers and clarify the NAND chip / NAND controller concepts, and > > > > other people are also working on merging the BBT code of the NAND and > > > > OneNAND framework. Which unfortunately means that we're not done porting > > > > invasive changes to U-Boot :-/. > > > > > > > > Any advice is welcome. > > > > > > I suppose my first suggestion would be to sync the kernel back into > > > U-Boot more frequently. With our bi-monthly release cycle it shouldn't > > > be too hard to pick a window to grab the current kernel release and > > > bring it over. I think the more stuff we let build up prior to syncing > > > the harder it will be. > > > > > > > Okay, so this means I should be the one back-porting Linux changes into > > U-Boot? I was planning on porting my current work on the sunxi NAND > > driver (including all the core dependencies) and submitting it to > > U-Boot, but honestly, I don't see how I can keep things in sync in the > > long run. From my experience, porting things to U-Boot is never as > > easy at it seems, and I don't think I'll have the time to maintain that > > by myself. Scott, what's your policy regarding Linux -> U-Boot syncs? > > Can I expect some help from your side? > > I usually do syncs when someone complains about needing a sync. Every release > seems a bit much. I'll try to do one soon. Great! Let me know if you need some help. Thanks, Boris -- Boris Brezillon, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.