From: Marc Zyngier <marc.zyngier@arm.com>
To: "Mylène Josserand" <mylene.josserand@bootlin.com>,
linux@armlinux.org.uk, maxime.ripard@bootlin.com, wens@csie.org,
mark.rutland@arm.com, robh+dt@kernel.org, horms@verge.net.au,
geert@linux-m68k.org, magnus.damm@gmail.com
Cc: f.fainelli@gmail.com, opendmb@gmail.com,
linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org,
clabbe.montjoie@gmail.com, quentin.schulz@bootlin.com,
thomas.petazzoni@bootlin.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v9 06/12] ARM: smp: Add initialization of CNTVOFF
Date: Tue, 8 May 2018 09:06:26 +0100 [thread overview]
Message-ID: <0a377a75-d99c-b00c-ec96-bf5a7daf721a@arm.com> (raw)
In-Reply-To: <20180504190545.5114-7-mylene.josserand@bootlin.com>
On 04/05/18 20:05, Mylène Josserand wrote:
> The CNTVOFF register from arch timer is uninitialized.
> It should be done by the bootloader but it is currently not the case,
> even for boot CPU because this SoC is booting in secure mode.
> It leads to an random offset value meaning that each CPU will have a
> different time, which isn't working very well.
>
> Add assembly code used for boot CPU and secondary CPU cores to make
> sure that the CNTVOFF register is initialized. Because this code can
> be used by different platforms, add this assembly file in ARM's common
> folder.
>
> Signed-off-by: Mylène Josserand <mylene.josserand@bootlin.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2018-05-08 8:06 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-04 19:05 [PATCH v9 00/12] Sunxi: Add SMP support on A83T Mylène Josserand
2018-05-04 19:05 ` [PATCH v9 01/12] ARM: Allow this header to be included by assembly files Mylène Josserand
2018-05-05 8:49 ` Sergei Shtylyov
2018-05-08 12:42 ` Russell King - ARM Linux
2018-05-04 19:05 ` [PATCH v9 02/12] ARM: sunxi: smp: Move assembly code into a file Mylène Josserand
2018-05-04 19:05 ` [PATCH v9 03/12] ARM: dts: sun8i: Add CPUCFG device node for A83T dtsi Mylène Josserand
2018-05-04 19:05 ` [PATCH v9 04/12] ARM: dts: sun8i: Add R_CPUCFG device node for the " Mylène Josserand
2018-05-04 19:05 ` [PATCH v9 05/12] ARM: dts: sun8i: a83t: Add CCI-400 node Mylène Josserand
2018-05-04 19:05 ` [PATCH v9 06/12] ARM: smp: Add initialization of CNTVOFF Mylène Josserand
2018-05-08 8:06 ` Marc Zyngier [this message]
2018-05-04 19:05 ` [PATCH v9 07/12] ARM: sunxi: " Mylène Josserand
2018-05-08 8:07 ` Marc Zyngier
2018-05-04 19:05 ` [PATCH v9 08/12] ARM: sun9i: smp: Rename clusters's power-off Mylène Josserand
2018-05-04 19:05 ` [PATCH v9 09/12] ARM: sun9i: smp: Add is_a83t field Mylène Josserand
2018-05-04 19:05 ` [PATCH v9 10/12] ARM: sun8i: smp: Add support for A83T Mylène Josserand
2018-05-04 19:05 ` [PATCH v9 11/12] ARM: dts: sun8i: Add enable-method for SMP support for the A83T SoC Mylène Josserand
2018-05-04 19:05 ` [PATCH v9 12/12] ARM: shmobile: Convert file to use cntvoff Mylène Josserand
2018-05-08 13:19 ` [PATCH v9 00/12] Sunxi: Add SMP support on A83T Maxime Ripard
2018-05-08 17:11 ` Florian Fainelli
2018-05-09 7:07 ` Maxime Ripard
2018-06-26 11:53 ` Ondřej Jirman
2018-07-16 7:05 ` Mylène Josserand
2018-07-16 20:08 ` Ondřej Jirman
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