From: Sascha Hauer <s.hauer@pengutronix.de>
To: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/2] common: oftree: Pass bootsource and bootsource instance to kernel
Date: Mon, 14 May 2018 09:48:08 +0200 [thread overview]
Message-ID: <20180514074808.gs6vnuy5ba5qmcmk@pengutronix.de> (raw)
In-Reply-To: <20180508212125.5923-2-andrew.smirnov@gmail.com>
Hi Andrey,
On Tue, May 08, 2018 at 02:21:24PM -0700, Andrey Smirnov wrote:
> Pass barebox-detected bootsource and bootsource instance to Linux to
> make it availible to Linux userspace. We use put the version under
> /chosen/bootsource and it can be read under Linux in
>
> /sys/firmware/devicetree/base/chosen/bootsource
I like the idea of having the bootsource available in Linux and more
than once thought about implementing it. However, I don't think it's
good to put the rather adhoc strings from barebox into the devicetree.
I'd rather have a phandle pointing to the actual device providing the
bootsource. Something like converting bootsource/bootsource_instance
into an alias name, lookup that alias in the device tree and create a
phandle pointing to the node the alias points to aswell. This may be
more complicated, but this way we do not have to think up any mapping.
Sascha
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next prev parent reply other threads:[~2018-05-14 7:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-08 21:21 [PATCH 0/2] Pass reset and boot sources via /chosen node Andrey Smirnov
2018-05-08 21:21 ` [PATCH 1/2] common: oftree: Pass bootsource and bootsource instance to kernel Andrey Smirnov
2018-05-14 7:48 ` Sascha Hauer [this message]
2018-05-15 5:40 ` Andrey Smirnov
2018-05-08 21:21 ` [PATCH 2/2] common: oftree: Pass reset source and reset source " Andrey Smirnov
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