linux-kernel - Re: [PATCH V7 0/6] Support building i.MX ARMv8 platforms clock driver as module

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Date:   Wed, 29 Jul 2020 23:26:35 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Anson Huang <Anson.Huang@....com>
Cc:     mturquette@...libre.com, sboyd@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, aisheng.dong@....com,
        arnd@...db.de, peng.fan@....com, abel.vesa@....com,
        fugang.duan@....com, daniel.baluta@....com, yuehaibing@...wei.com,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, Linux-imx@....com
Subject: Re: [PATCH V7 0/6] Support building i.MX ARMv8 platforms clock
 driver as module

On Wed, Jul 29, 2020 at 10:48:31PM +0800, Anson Huang wrote:
> Nowdays, there are more and more requirements of building SoC specific drivers as
> modules, such as Android GKI (generic kernel image), this patch set supports building
> i.MX ARMv8 SoCs clock drivers as modules,
> 
> The CLK_IMXxxx is introduced for i.MX ARMv7 platforms in order to make the build
> options aligned, the reason why i.MX ARMv7 platforms clock driver do NOT support
> module build and COMPILE_TEST is because, some drivers like i.MX GPT timer driver
> depends on clock driver to be ready before it, GPT driver uses TIMER_OF_DECLARE(),
> while i.MX6/7 clock drivers use CLK_OF_DECLARE(), and GPT driver is critical for
> i.MX6/7 platforms kernel boot up, so GPT driver needs to be changed to support
> loadable clock driver first, then the i.MX6/7 clock drivers can support loadable
> module, this will be done later.
> 
> Changes since V6:
> 	- improve patch #6's subject and move it to be first patch of this series.
> 
> Anson Huang (6):
>   clk: imx6sl: Use BIT(x) to avoid shifting signed 32-bit value by 31
>     bits
>   clk: composite: Export clk_hw_register_composite()
>   clk: imx: Support building i.MX common clock driver as module
>   clk: imx: Add clock configuration for ARMv7 platforms
>   clk: imx8m: Support module build
>   clk: imx8qxp: Support building i.MX8QXP clock driver as module

Acked-by: Shawn Guo <shawnguo@...nel.org>

Stephen,

I had sent v5.9 material off my hand to you, so please pick this up
directly if it looks good to you.  Thanks!

Shawn