linux-kernel - Re: [PATCH v18 00/15] acpi, clocksource: add GTDT driver and GTDT support in arm_arch

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Date:   Fri, 13 Jan 2017 19:29:21 +0000
From:   Mark Rutland <mark.rutland@....com>
To:     fu.wei@...aro.org
Cc:     rjw@...ysocki.net, lenb@...nel.org, daniel.lezcano@...aro.org,
        tglx@...utronix.de, marc.zyngier@....com,
        lorenzo.pieralisi@....com, sudeep.holla@....com,
        hanjun.guo@...aro.org, linux-arm-kernel@...ts.infradead.org,
        linaro-acpi@...ts.linaro.org, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, rruigrok@...eaurora.org,
        harba@...eaurora.org, cov@...eaurora.org, timur@...eaurora.org,
        graeme.gregory@...aro.org, al.stone@...aro.org, jcm@...hat.com,
        wei@...hat.com, arnd@...db.de, catalin.marinas@....com,
        will.deacon@....com, Suravee.Suthikulpanit@....com,
        leo.duran@....com, wim@...ana.be, linux@...ck-us.net,
        linux-watchdog@...r.kernel.org, tn@...ihalf.com,
        christoffer.dall@...aro.org, julien.grall@....com
Subject: Re: [PATCH v18 00/15] acpi, clocksource: add GTDT driver and GTDT
 support in arm_arch_timer

Hi,

On Fri, Dec 09, 2016 at 01:33:04AM +0800, fu.wei@...aro.org wrote:
> From: Fu Wei <fu.wei@...aro.org>
> 
> This patchset:
>     (1)Preparation for adding GTDT support in arm_arch_timer:
>         1. Move some enums and marcos to header file;
>         2. Add a new enum for spi type;
>         3. Improve printk relevant code;
>         4. Rename some enums and defines;
>         5. Rework PPI determination;
>         6. Rework counter frequency detection;
>         7. Refactor arch_timer_needs_probing, move it into DT init call
>         8. Introduce some new structs and refactor the MMIO timer init code
>         for reusing some common code.
> 
>     (2)Introduce ACPI GTDT parser: drivers/acpi/arm64/acpi_gtdt.c
>     Parse all kinds of timer in GTDT table of ACPI:arch timer,
>     memory-mapped timer and SBSA Generic Watchdog timer.
>     This driver can help to simplify all the relevant timer drivers,
>     and separate all the ACPI GTDT knowledge from them.
> 
>     (3)Simplify ACPI code for arm_arch_timer
> 
>     (4)Add GTDT support for ARM memory-mapped timer.
> 
> This patchset has been tested on the following platforms with ACPI enabled:
>     (1)ARM Foundation v8 model

Once v4.10-rc4 comes out this weekend, could you please rebase and
repost this?

Marc and I will be happy to take a look then.

Thanks,
Mark.