From: Chen-Yu Tsai <wens@csie.org>
To: "Ondřej Jirman" <megous@megous.com>
Cc: linux-sunxi <linux-sunxi@googlegroups.com>,
stable <stable@vger.kernel.org>,
Maxime Ripard <mripard@kernel.org>,
Russell King <linux@armlinux.org.uk>,
"moderated list:ARM/Allwinner sunXi SoC support"
<linux-arm-kernel@lists.infradead.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [linux-sunxi] [PATCH] ARM: sunxi: Fix CPU powerdown on A83T
Date: Tue, 29 Oct 2019 09:09:40 +0800 [thread overview]
Message-ID: <CAGb2v67Vy=tD4dfSXD+=HS3B2tEE-bH2D++gx9Oa=P8n-012ew@mail.gmail.com> (raw)
In-Reply-To: <20191028214914.3465156-1-megous@megous.com>
On Tue, Oct 29, 2019 at 5:49 AM Ondrej Jirman <megous@megous.com> wrote:
>
> PRCM_PWROFF_GATING_REG has CPU0 at bit 4 on A83T. So without this
> patch, instead of gating the CPU0, the whole cluster was power gated,
> when shutting down first CPU in the cluster.
>
> Fixes: 6961275e72a8c1 ("ARM: sun8i: smp: Add support for A83T")
> Signed-off-by: Ondrej Jirman <megous@megous.com>
> Cc: stable@vger.kernel.org
Acked-by: Chen-Yu Tsai <wens@csie.org>
Though I distinctly remember the BSP had some code dealing with chip
revisions in which the two bits were reversed. :(
next prev parent reply other threads:[~2019-10-29 1:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-28 21:49 [PATCH] ARM: sunxi: Fix CPU powerdown on A83T Ondrej Jirman
2019-10-29 1:09 ` Chen-Yu Tsai [this message]
2019-10-29 1:25 ` [linux-sunxi] " Ondřej Jirman
2019-10-29 8:10 ` Maxime Ripard
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