From mboxrd@z Thu Jan  1 00:00:00 1970
From: Segher Boessenkool <segher@kernel.crashing.org>
Subject: Re: DT case sensitivity
Date: Fri, 24 Aug 2018 11:52:42 -0500
Message-ID: <20180824165242.GW24439@gate.crashing.org>
References: <CAL_Jsq+XacT2O15CQ=F_6dmWf6OqNf8_fKAOrMJNR79a6mORaw@mail.gmail.com>
 <3335cff2cc999c1dda58d75949ab3d12185fca79.camel@kernel.crashing.org>
 <CAL_JsqKqkO31ekVMFKs+osLvKdZyDzRowF1thWXn5=tWhrJgvw@mail.gmail.com>
 <18175413a0148f7859ab36ed9715dce7a598f318.camel@kernel.crashing.org>
 <20180823123650.GT24439@gate.crashing.org>
 <CAL_Jsq+VnhT_4H4yECWsuXnmpQRnSHNRXAohRYds1LxcRjUHkw@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org>
Content-Disposition: inline
In-Reply-To: <CAL_Jsq+VnhT_4H4yECWsuXnmpQRnSHNRXAohRYds1LxcRjUHkw@mail.gmail.com>
List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>,
 <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe>
List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/>
List-Post: <mailto:linuxppc-dev@lists.ozlabs.org>
List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help>
List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>,
 <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe>
Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org
Sender: "Linuxppc-dev"
 <linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org>
To: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org, Kumar Gala <kumar.gala@linaro.org>, Frank Rowand <frowand.list@gmail.com>, Stephen Rothwell <sfr@canb.auug.org.au>, devicetree-spec@vger.kernel.org, Grant Likely <grant.likely@arm.com>, linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, David Gibson <david@gibson.dropbear.id.au>
List-Id: devicetree@vger.kernel.org

On Fri, Aug 24, 2018 at 10:14:01AM -0500, Rob Herring wrote:
> Another question: Is there ever a case where the node name in the path
> aka 'driver-name' doesn't match the 'name' property? I think this
> generally can't happen on FDT as the 'name' property is generated when
> we unflatten it though I suppose one could craft an FDT with name
> properties.

In Open Firmware, it *is* the "name" property :-)

> There's also various places in the kernel that check for a NULL name
> which doesn't seem like it could happen either other than the root
> node.

In Open Firmware the root node is required to have a "name" property, too.
There are systems that violate that rule (as with most rules...)


Segher