linux-kernel - Re: [PATCH 1/2] of: create of

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Message-ID: <20230110091206.72c3df24@fixe.home>
Date:   Tue, 10 Jan 2023 09:12:06 +0100
From:   Clément Léger <clement.leger@...tlin.com>
To:     Frank Rowand <frowand.list@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Lizhi Hou <lizhi.hou@...inx.com>,
        Allan Nielsen <allan.nielsen@...rochip.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        Steen Hegelund <steen.hegelund@...rochip.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH 1/2] of: create of_root if no dtb provided

Le Tue, 10 Jan 2023 00:27:16 -0600,
Frank Rowand <frowand.list@...il.com> a écrit :

> On 1/9/23 02:40, Clément Léger wrote:
> > Le Tue, 11 Oct 2022 09:26:54 +0200,
> > Clément Léger <clement.leger@...tlin.com> a écrit :
> >   
> >> Le Fri, 24 Jun 2022 11:44:07 -0500,
> >> Frank Rowand <frowand.list@...il.com> a écrit :
> >>  
> >>> On 6/24/22 08:13, Clément Léger wrote:    
> >>>> Le Thu, 23 Jun 2022 22:43:26 -0500,
> >>>> frowand.list@...il.com a écrit :
> >>>>       
> >>>>>  
> >>>>> +/*
> >>>>> + * __dtb_empty_root_begin[] magically created by cmd_dt_S_dtb in
> >>>>> + * scripts/Makefile.lib
> >>>>> + */
> >>>>> +extern void *__dtb_empty_root_begin;
> >>>>> +
> >>>>>  /*
> >>>>>   * of_fdt_limit_memory - limit the number of regions in the /memory node
> >>>>>   * @limit: maximum entries
> >>>>> @@ -1332,8 +1338,13 @@ bool __init early_init_dt_scan(void *params)
> >>>>>   */
> >>>>>  void __init unflatten_device_tree(void)
> >>>>>  {      
> >>>>     
> >>
> >>
> >> Any news on this series ?
> >>  
> > 
> > Hi Frank,
> > 
> > Do you plan on resubmitting this series ? If not, could I resubmit it
> > after fixing problems that were raised in the review ?  
> >> Thanks,  
> >   
> 
> Thanks for the prod.  I'll re-spin it.

Ok great, thanks Frank.

> 
> If I properly captured all the comments, I'll have to implement
> Rob's suggestion:
> 
>   "either CONFIG_OF_FLATTREE or CONFIG_OF_EARLY_FLATTREE will need 
>   to become user selectable."

> 
> -Frank



-- 
Clément Léger,
Embedded Linux and Kernel engineer at Bootlin
https://bootlin.com