linux-kernel - Re: [PATCH] firmware: stratix10-svc: Drop unnecessary checking for and populating /firmware/ node

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Message-ID: <a583b842-585d-888e-49e5-32a16dfab8a6@linux.intel.com>
Date:   Tue, 28 Apr 2020 09:14:25 -0500
From:   Richard Gong <richard.gong@...ux.intel.com>
To:     Sudeep Holla <sudeep.holla@....com>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH] firmware: stratix10-svc: Drop unnecessary checking for
 and populating /firmware/ node

Hi,

On 4/28/20 3:32 AM, Sudeep Holla wrote:
> On Mon, Apr 27, 2020 at 02:12:56PM -0500, Richard Gong wrote:
>> Hi Sudeep,
>>
>> In our dts, firmware is not under root node. You can refer to
>> arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi for details.
>>
>> This is why we need check and populate firmware node.
>>
> 
> Ah that's bad. One of very few DTS I see firmware node not in the root.Per the Devicetree Specification, there is no need to define firmware 
under the root node. Some examples are fsl-ls1012a.dtsi and 
hi6220-hikey.dts.

> But this driver is the only one duplicating the codethen Commit 3aa0582fdb82 should be extended to handle firmware which is 
not defined under the root node. I am not sure if it is doable.
>
Regards,
Richard