Hi,
On Tue, Jun 16, 2015 at 09:11:08PM +0200, Karsten Merker wrote:
> On Tue, Jun 16, 2015 at 11:40:27AM +0200, Maxime Ripard wrote:
>
> > What I meant in my previous review was to use the syntax
> >
> > &uart0 {
> > some-property;
> > };
> >
> > Instead of duplicating the tree structure like you're doing
> > here. We've converted all the DT to that, so you can look around and
> > see how it's done in other boards (note that the nodes should be
> > sorted by alphabetical order).
>
> Ah, sorry, I had misunderstood your original email in this regard.
> Following is a reworked version of the patch.
>
> Changelog:
>
> Version 1
> =========
> - Original patch by Siarhei Siamashka
>
> Version 2
> =========
> - Use symbolic instead of numeric pinctrl values.
>
> - Change the include syntax from /include/ to #include to make
> the dts build with current kernels.
>
> Version 3
> =========
> - Use labels for nodes with modifications in relation to the dtsi
> instead of replicating the tree structure.
>
> - Remove the FSF address from the license header as done in
> http://lists.infradead.org/pipermail/linux-arm-kernel/2015-May/340437.html
> for the other dts files to remove a checkpatch warning.
>
> - Add msi to the vendor prefix list.
>
> - Remove earlyprintk from the default kernel commandline.
>
> - Replace the console kernel commandline parameter by a
> /chosen/stdout-path node and add an alias serial0 -> uart0.Next time, pleas try to keep the changelog with your patch, it's much easier to read. And please make the vendor prefix change a different patch. > I have tagged this patch RFC as I am unsure what to do with the > /chosen/stdout-path node. For now, I have set Siarhei's original > choice (first serial port), but I am unsure whether this is the > right thing to do as the Primo81 does by default not have a > user-accessible serial port. The only way to get a serial > console is to either break the case open and find some test > points that carry the RX/TX lines (which with the Primo81 case > poses a high risk of breaking the display glass), or to use an SD > card breakout board and change the pinmuxing for the SD card pins > to the "serial" function. The latter would not work without > modifying the dts, so the SD-breakout case doesn't really count > for setting the default stdout-path in the general use case. Having that as a comment on top of whatever uart you've been using would be great, so that people know where to look at on their device to find it. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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