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Date: Mon, 7 Apr 2014 08:39:34 -0700 From: Sören Brinkmann <soren.brinkmann@...inx.com> To: Mike Looijmans <mike.looijmans@...ic.nl> CC: <monstr@...str.eu>, Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>, Mark Rutland <mark.rutland@....com>, Ian Campbell <ijc+devicetree@...lion.org.uk>, Kumar Gala <galak@...eaurora.org>, Russell King <linux@....linux.org.uk>, Michal Simek <michal.simek@...inx.com>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, Steffen Trumtrar <s.trumtrar@...gutronix.de> Subject: Re: [PATCH v2 2/5] ARM: zynq: dt: Convert to preprocessor includes On Mon, 2014-04-07 at 02:17PM +0200, Mike Looijmans wrote: > On 04/07/2014 07:58 AM, Michal Simek wrote: > >Hi Soren, > > > >On 04/05/2014 01:14 AM, Soren Brinkmann wrote: > >>Convert all Zynq DT files to the dtc preprocessor include syntax. > >>This allows to include header files in the devicetrees like other > >>SoC-types already do. > >> > >>Inspired-by: Steffen Trumtrar <s.trumtrar@...gutronix.de> > >>(http://www.spinics.net/lists/arm-kernel/msg319832.html) > >> > >>Signed-off-by: Soren Brinkmann <soren.brinkmann@...inx.com> > > > >These 4 patches needs more wider discussion if this is helpful or > >not. Currently I can't see any value in it because everything > >is just generated and fixed. I think I had the same discussion > >with Laurent some weeks ago regarding this. > > I would be kinda neutral here. I'd consider it helpful, it improves > readability (regardless of whether they are generated or hand > crafted). That's convenient for things like interrupt sensitivity, I > can't remember whether 4 is level or edge type. On the other hand, > the clock indices are just as much magic numbers as the memory > addresses. If I suspect an error in that area, I'd start by lokking > in /sys/kernel/debug/clk but wouldn't start in the DT. I agree. Readability is better this way. And whether our generator spits out magic numbers of these symbolic names should not be a big difference, is it? Sören -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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