On Wed, Jul 20, 2011 at 2:27 PM, Andrew Chew <ac...@nvidia.com> wrote: >> >> Can the driver use sane defaults for any of these values? >> This patch >> >> will be a lot smaller if there isn't the need to check all >> the return >> >> values each time. >> > >> > The defaults are in the dt ehci node. I'd really hate to >> duplicate these defaults in C code as well, if that's what >> you're suggesting (they're already duplicated privately >> elsewhere, sadly, in mach-tegra, but I'm hoping those >> defaults can go away once we move over to dt for good). By >> failing probe if these defaults aren't present, I think it >> helps make sure the dt ehci node stays in sync with the code. >> >> I'm saying that if the binding and the driver encode sane defaults for >> those parameters, then the properties don't need to appear in the .dts >> at all unless they are being overridden. It is by no means a critical >> issue though. Do what makes the most sense to you. > > I see. I think that makes sense as well. To be clear, you're suggesting to > document the defaults in the bindings file, and have the defaults in the > driver (C code). Then omit the properties from the dts entirely unless they > are different (i.e. the dts will no longer have any default values > specified), right? If that's more consistent with how the other drivers will > work, I'll do that.
Yes, that's what I'm saying. Again, it's up to you on whatever makes the most sense. g. -- Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd. _______________________________________________ devicetree-discuss mailing list devicetree-discuss@lists.ozlabs.org https://lists.ozlabs.org/listinfo/devicetree-discuss
