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Message-ID: <CAK7LNAQGGdcDq8Q=9LG2ev_O3eaH55Hq-Te5NZCTSuB-K+9dVw@mail.gmail.com> Date: Sat, 24 Oct 2015 12:24:07 +0900 From: Masahiro Yamada <yamada.masahiro@...ionext.com> To: Arnd Bergmann <arnd@...db.de> Cc: linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>, arm@...nel.org, Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org, Russell King <linux@....linux.org.uk>, Pawel Moll <pawel.moll@....com>, Ian Campbell <ijc+devicetree@...lion.org.uk>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>, Kumar Gala <galak@...eaurora.org> Subject: Re: [PATCH 2/4] ARM: dts: uniphier: delete i2c aliases 2015-10-24 5:16 GMT+09:00 Arnd Bergmann <arnd@...db.de>: > On Wednesday 21 October 2015 20:36:28 Masahiro Yamada wrote: >> The user space should not expect that a particular I2C channel is >> always visible through the same character device. >> No reason to fix the I2C indexes with aliases. >> >> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com> >> > > As I said in my reply to the earlier mail, I didn't really like the > idea of having holes in the numbering for the i2c controllers, but > this new approach also doesn't look ideal. > > We should have stable bus numbers on any given board, and the aliases > work well for that. I just don't think the aliases need to be stable > between different boards just because they are based on the same > SoC. > > I'd suggest staying with the current slightly awkward approach though, > to avoid regressions. Please send a follow-up patch to add the same > aliases on the new boards and drop this patch, unless someone else > can come up with a better idea. > OK, will do. -- Best Regards Masahiro Yamada -- 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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