linux-kernel - Re: [PATCH] MIPS: Revert "add support for buggy MT7621S core detection"

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Message-ID: <20211002082531.GA4254@alpha.franken.de>
Date:   Sat, 2 Oct 2021 10:25:31 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Ilya Lipnitskiy <ilya.lipnitskiy@...il.com>
Cc:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sergio Paracuellos <sergio.paracuellos@...il.com>,
        Greg Ungerer <gerg@...nel.org>,
        Strontium <strntydog@...il.com>,
        "Maciej W. Rozycki" <macro@...am.me.uk>,
        Felix Fietkau <nbd@....name>
Subject: Re: [PATCH] MIPS: Revert "add support for buggy MT7621S core
 detection"

On Thu, Sep 30, 2021 at 09:57:41AM -0700, Ilya Lipnitskiy wrote:
> This reverts commit 6decd1aad15f56b169217789630a0098b496de0e. CPULAUNCH
> register is not set properly by some bootloaders, causing a regression
> until a bootloader change is made, which is hard if not impossible on
> some embedded devices. Revert the change until a more robust core
> detection mechanism that works on MT7621S routers such as Netgear R6220
> as well as platforms like Digi EX15 can be made.
> 
> Link: https://lore.kernel.org/lkml/4d9e3b39-7caa-d372-5d7b-42dcec36fec7@kernel.org
> Fixes: 6decd1aad15f ("MIPS: add support for buggy MT7621S core detection")
> Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@...il.com>
> ---
>  arch/mips/include/asm/mips-cps.h | 23 +----------------------
>  1 file changed, 1 insertion(+), 22 deletions(-)

applied to mips-fixes.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]