Re: [linux-sunxi] [PATCH] ARM: sunxi: Fix CPU powerdown on A83T
From: Chen-Yu Tsai <hidden>
Date: 2019-10-29 01:09:53
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lkml, stable
On Tue, Oct 29, 2019 at 5:49 AM Ondrej Jirman [off-list ref] 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 <redacted>
Cc: stable@vger.kernel.orgAcked-by: Chen-Yu Tsai <redacted> Though I distinctly remember the BSP had some code dealing with chip revisions in which the two bits were reversed. :( _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel