From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Icenowy Zheng <icenowy@aosc.io>
Cc: Chen-Yu Tsai <wens@csie.org>,
Linus Walleij <linus.walleij@linaro.org>,
linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
linux-sunxi@googlegroups.com
Subject: Re: [PATCH v3 6/7] arm64: allwinner: h6: add the basical Allwinner H6 DTSI file
Date: Mon, 26 Feb 2018 10:26:45 +0100 [thread overview]
Message-ID: <20180226092645.xghkmfowenzlbm42@flea.lan> (raw)
In-Reply-To: <81D53DC5-7622-430E-A530-ED0DE5397DC3@aosc.io>
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On Fri, Feb 23, 2018 at 11:22:06PM +0800, Icenowy Zheng wrote:
> >> + psci {
> >> + compatible = "arm,psci-0.2";
> >> + method = "smc";
> >> + };
> >
> >Is it needed? The bootloader should fill it with whatever version it
> >has, shouldn't it?
>
> But we now use ATF rather than U-Boot PSCI. U-Boot will not fill ATF
> info.
>
> See A64/H5 device trees.
So if the PSCI version implemented in ATF ever changes, we would have
to update all the DT everywhere, but only if you're running the new
version?
Sigh.
Maxime
--
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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next prev parent reply other threads:[~2018-02-26 9:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-23 12:35 [PATCH v3 5/7] clk: sunxi-ng: add support for the Allwinner H6 CCU Icenowy Zheng
2018-02-23 12:35 ` [PATCH v3 6/7] arm64: allwinner: h6: add the basical Allwinner H6 DTSI file Icenowy Zheng
2018-02-23 15:20 ` Maxime Ripard
2018-02-23 15:22 ` Icenowy Zheng
2018-02-26 9:26 ` Maxime Ripard [this message]
2018-02-26 15:54 ` Samuel Holland
2018-02-28 11:08 ` [linux-sunxi] " Andre Przywara
2018-02-23 12:35 ` [PATCH v3 7/7] arm64: allwinner: h6: add support for Pine H64 board Icenowy Zheng
2018-03-01 9:29 ` [PATCH v3 5/7] clk: sunxi-ng: add support for the Allwinner H6 CCU Maxime Ripard
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