From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sai Prakash Ranjan Subject: Re: [PATCH] Add system-cache-controller to the list of generic node names Date: Thu, 30 Sep 2021 09:36:42 +0530 Message-ID: References: <20210929052613.8589-1-saiprakash.ranjan@codeaurora.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1632974816; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=kdB++8u5uUaWcte0gyVx8sj/xtUcaItO0wH5nkjb72g=; b=Es/t6HjqQyFwYDDpKjuPBUo6ifKFOKsp8eVfa2772Hp9jNBBTYfS1usvDYH/+qxqIZghfdWr +Qfmbek1Dt58o7sE75A/9KjBks/d+Am5AODo8KGM81iLdH44OrBADvLc0Rkp5Dpb0W+L1yHh gOhih0ZRIrjZVAv961eXdT1rC0M= Sender: saiprakash.ranjan=codeaurora.org-qLvOmUbifpzLzYW4gMljz9i2O/JbrIOy@public.gmane.org In-Reply-To: List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Rob Herring Cc: Mailing List , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Stephen Boyd , Bjorn Andersson , Rajendra Nayak On 2021-09-29 18:12, Rob Herring wrote: > On Wed, Sep 29, 2021 at 12:26 AM Sai Prakash Ranjan > wrote: >> >> System Cache Controller (Last Level Cache Controller/LLCC) does not >> have a cache-level associated with it as enforced by the already >> existing 'cache-controller' node name, so add system-cache-controller >> to the list of generic node names as decided on the lkml in [1][2] >> and already being used in the dts for sometime now. >> >> [1] >> https://lore.kernel.org/lkml/5dcd8588.1c69fb81.2528a.3460-ATjtLOhZ0NVl57MIdRCFDg@public.gmane.org/ >> [2] >> https://lore.kernel.org/lkml/cover.1573814758.git.saiprakash.ranjan-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org/ >> >> Cc: Stephen Boyd >> Cc: Bjorn Andersson >> Cc: Rajendra Nayak >> Signed-off-by: Sai Prakash Ranjan >> --- >> source/chapter2-devicetree-basics.rst | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/source/chapter2-devicetree-basics.rst >> b/source/chapter2-devicetree-basics.rst >> index 40be22192b2f..c06c5063c68b 100644 >> --- a/source/chapter2-devicetree-basics.rst >> +++ b/source/chapter2-devicetree-basics.rst >> @@ -276,6 +276,7 @@ name should be one of the following choices: >> * sram-controller >> * ssi-controller >> * syscon >> + * system-cache-controller > > I don't want to encourage others to use this over 'cache-controller' > and the standard binding. > Right, but why would others use this over cache-controller? This is supposed to be used only for last level cache controllers where there is no cache-level associated with it like in the system cache controller/LLCC found in QTI SoCs. Also you had acked the corresponding change in the DT binding for LLCC [1]. [1] https://lore.kernel.org/lkml/20191203172235.GA18507@bogus/ Thanks, Sai -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation