From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@bootlin.com (Maxime Ripard) Date: Mon, 26 Feb 2018 10:26:45 +0100 Subject: [PATCH v3 6/7] arm64: allwinner: h6: add the basical Allwinner H6 DTSI file In-Reply-To: <81D53DC5-7622-430E-A530-ED0DE5397DC3@aosc.io> References: <20180223123555.64009-6-icenowy@aosc.io> <20180223123555.64009-7-icenowy@aosc.io> <20180223152038.2bflylwa6vj4gzfj@flea.lan> <81D53DC5-7622-430E-A530-ED0DE5397DC3@aosc.io> Message-ID: <20180226092645.xghkmfowenzlbm42@flea.lan> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: