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Message-ID: <532F23F5.6020001@gmail.com> Date: Sun, 23 Mar 2014 19:12:05 +0100 From: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com> To: Jean-Francois Moine <moinejf@...e.fr> CC: Russell King - ARM Linux <linux@....linux.org.uk>, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2] drm/i2c: tda998x: Change the compatible strings On 03/23/2014 11:19 AM, Jean-Francois Moine wrote: > On Fri, 21 Mar 2014 14:37:52 +0100 > Sebastian Hesselbarth <sebastian.hesselbarth@...il.com> wrote: >>> Required properties; >>> - - compatible: must be "nxp,tda998x" >>> + - compatible: may be "nxp,tda9989", "nxp,tda19988" or "nxp,tda19989" >> >> There is a "DT is ABI" policy and although there is no mainline Linux >> user of current compatible, the correct way would be to deprecate >> "nxp,tda998x" and introduce new compatibles. > > Pratically, what is this way? Currently, there is no effective way to deprecate a binding or compatible. You just add the one(s) that are more sensible and you mark the old one as DEPRECATED by simply writing it in the binding doc. The driver should support the old binding at least for a while. Sebastian -- 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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