From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steve McIntyre Subject: Re: Device Tree Evolution Project - call notes - 12th February Date: Wed, 19 Feb 2020 18:05:34 +0000 Message-ID: <20200219180534.GE7618@linaro.org> References: <20200213145028.GR3697@linaro.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=nlwNEph5FKtd1vCqYOUlofPd9HTzpDT8fOfr6jW7zyU=; b=S1lOptYqE6rvFysJqVVeQMyuTyucJnduumunFFe/YhEsJn7i40zGcs9/hwk6ENENwd I+aswzHM5UZYd969CCI2OLUO0d2cc7A3y0OiknDO2Xd4com9vGgj5Hu8rPkoh3aSqBhg QtVJ+GXllkiJ3Xjm3I+q7nlk1HZ3KVdefUb+d00UNH5fHJBrbvDCZNVy6VlwrHauX1Nc dRyNMWZ/Ci495foOhzxO3b4iPORd6PbaGihTU/isuPu31rFmhMC1lZPBQg2EEUVkYbFU g15coBAapt/wb3qbdQvEvSSDC6bU35AF4m3P47EjsMLIGDnzeBqaC2aB6RyCbIlH+u5Y dfMw== Content-Disposition: inline In-Reply-To: Sender: devicetree-spec-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="utf-8" To: Frank Rowand Cc: devicetree-spec-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dte-all-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org Hey Frank, On Thu, Feb 13, 2020 at 11:24:59AM -0600, Frank Rowand wrote: >On 2/13/20 8:50 AM, Steve McIntyre wrote: ... >> 2. Bootloader applied overlays >> a. https://github.com/wmamills/dt-overlays >> 1. BM: Good discussion on the list. Is this a new agreement on >> accepting overlays in the kernel? Is there still a laundry >> list of issues? >> 2. RH: Whilst we agree it’s the right place last time it was >> submitted I gave feedback and it was never acted on. If >> splitting to base and overlays need a way to get back to what >> you previously had. >> 3. BM: Do you want to mash base and overlays together. I think >> we tried to upstream that and it was rejected. >> 4. RH: Just need to change DTB format first … (Frank) > >That matches my memory of wanting to update the DTB format before allowing >overlay sources into the kernel tree. BUT, it has been two years (I >think) of small bursts of discussion about DTB format with little >forward progress. I had hoped to revive the DTB format discussion in >December or January, but now it is already February. Maybe I will get >to it this month. > >The biggest change since then is that overlays can be applied by the >bootloader (at least I think that was implemented after my objection). >That alone is enough to change my opinion. But on top of that, the >long delay on DTB format update also changes my opinion. Do you have any pointers to previous discussions about the format update please? The only relevant things I can find are in the thread "DTBO magic and dtbo format options" but that's back in the middle of 2016. Cheers, -- Steve McIntyre steve.mcintyre-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org Linaro.org | Open source software for ARM SoCs