From mboxrd@z Thu Jan 1 00:00:00 1970 From: horms@verge.net.au (Simon Horman) Date: Fri, 10 Nov 2017 10:26:50 +0100 Subject: [PATCH 2/3] soc: renesas: Identify R-Car M3-W ES1.1 In-Reply-To: <20171101084237.atr25lujcqctwhjj@verge.net.au> References: <1509384599-28953-1-git-send-email-geert+renesas@glider.be> <1509384599-28953-3-git-send-email-geert+renesas@glider.be> <20171101084237.atr25lujcqctwhjj@verge.net.au> Message-ID: <20171110092649.6m4ltkoq7z53apvx@verge.net.au> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Nov 01, 2017 at 09:42:38AM +0100, Simon Horman wrote: > On Mon, Oct 30, 2017 at 06:29:58PM +0100, Geert Uytterhoeven wrote: > > The Product Register of R-Car M3-W ES1.1 incorrectly identifies the SoC > > revision as ES2.0. Add a workaround to fix this. > > > > Signed-off-by: Geert Uytterhoeven > > --- > > Is it already known how future revisions will be identified? > > I'd like there to be some sort of conclusion to that discussion before > applying that patch (I seem to recall we discussed it some time ago > but I don't recall the outcome). The reason that I am being cautious here > is that it potentially has implications for old-kernel/new-SoC compatibility > which may be hard to fix later. > > I am happy to apply the other patches in the series if you think that is > worthwhile. After some discussion off-list I am now satisfied that the approach you have taken - to special case as identifying ES1.1 as what would otherwise be identified ES2.0 - is not likely to cause problems with future SoC releases. I have applied this patch for v4.16.