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From: Anson Huang <anson.huang@nxp.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Aisheng Dong <aisheng.dong@nxp.com>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	Peng Fan <peng.fan@nxp.com>,
	linux-clk <linux-clk@vger.kernel.org>,
	Andy Duan <fugang.duan@nxp.com>, Abel Vesa <abel.vesa@nxp.com>,
	Stefan Agner <stefan.agner@toradex.com>,
	Stephen Boyd <sboyd@kernel.org>, Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	YueHaibing <yuehaibing@huawei.com>,
	Russell King - ARM Linux <linux@armlinux.org.uk>,
	Daniel Baluta <daniel.baluta@nxp.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"oleksandr.suvorov@toradex.com" <oleksandr.suvorov@toradex.com>,
	Al Viro <viro@zeniv.linux.org.uk>,
	Sascha Hauer <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	Michael Turquette <mturquette@baylibre.com>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	dl-linux-imx <linux-imx@nxp.com>
Subject: RE: [PATCH V3 02/10] init.h: Fix the __setup_param() macro for module build
Date: Wed, 1 Jul 2020 10:20:30 +0000
Message-ID: <DB3PR0402MB39168BDB947322F9C159E42CF56C0@DB3PR0402MB3916.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <CAK8P3a0YKsiKx66ESwvVmsubv=x=UB8JafisCY0Ct8VBMi-JhQ@mail.gmail.com>

Hi, Arnd


> Subject: Re: [PATCH V3 02/10] init.h: Fix the __setup_param() macro for
> module build
> 
> On Wed, Jul 1, 2020 at 12:02 PM Anson Huang <anson.huang@nxp.com>
> wrote:
> > > Subject: Re: [PATCH V3 02/10] init.h: Fix the __setup_param() macro
> > > for module build On Wed, Jul 1, 2020 at 11:27 AM Anson Huang
> > > <anson.huang@nxp.com>
> > > wrote:
> > > > > Subject: Re: [PATCH V3 02/10] init.h: Fix the __setup_param()
> > > > > macro for module build
> > > Why not move this all to a separate file then and only build it when
> > > CONFIG_CLK_IMX=y?
> > > It seems that you don't need the imx_keep_uart_clocks_param() if the
> > > clk driver is loaded as a module, but then you also don't need the
> > > imx_clk_disable_uart() and imx_register_uart_clocks() functions or
> > > the associated variables.
> >
> > If so, how about just adding "#ifndef MODULE" check for this part of
> > code? I think it should be easier/better than adding a file and build it
> conditionally?
> 
> The #ifdef is clearly a simpler change,  but I think a separate file is a cleaner
> way to do it. Up to you (unless one of the imx or clk maintainers has a
> preference -- I'm only helping out here, not making decisions).
> 

OK, the first version of this patch introduced two __setup_param() implementation
for built-in and loadable module, that leads to all the discussion of fixing __setup_param()
in init.h etc., but you just remind me that __setup_param() is NOT necessary at all when
building loadable module, so I think just add '#ifndef MODULE' should be acceptable, I will
go with this change in V4 patch series, and see if anyone has comment.

Please help review V4 patch series which will be sent out soon.

Thanks,
Anson

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  reply index

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-29  5:53 [PATCH V3 00/10] Support building i.MX8 SoCs clock driver as module Anson Huang
2020-06-29  5:53 ` [PATCH V3 01/10] clk: composite: Export clk_hw_register_composite() Anson Huang
2020-06-29  5:53 ` [PATCH V3 02/10] init.h: Fix the __setup_param() macro for module build Anson Huang
2020-06-29 11:33   ` Arnd Bergmann
2020-06-29 11:40     ` Anson Huang
2020-06-29 11:58       ` Arnd Bergmann
2020-07-01  5:14         ` Anson Huang
2020-07-01  8:37           ` Arnd Bergmann
2020-07-01  9:27             ` Anson Huang
2020-07-01  9:53               ` Arnd Bergmann
2020-07-01 10:02                 ` Anson Huang
2020-07-01 10:13                   ` Arnd Bergmann
2020-07-01 10:20                     ` Anson Huang [this message]
2020-06-29  5:53 ` [PATCH V3 03/10] ARM: imx: Select MXC_CLK for each SoC Anson Huang
2020-06-29  7:27   ` Aisheng Dong
2020-06-29  8:21     ` Anson Huang
2020-06-29  5:53 ` [PATCH V3 04/10] clk: imx: Support building SCU clock driver as module Anson Huang
2020-06-29 11:37   ` Arnd Bergmann
2020-06-29 12:53     ` Anson Huang
2020-06-29 13:20       ` Arnd Bergmann
2020-06-29 14:52         ` Anson Huang
2020-06-29 15:08           ` Arnd Bergmann
2020-06-29 15:19             ` Anson Huang
2020-06-30  3:55               ` Dong Aisheng
2020-07-01  7:19                 ` Anson Huang
2020-07-01  8:46                   ` Arnd Bergmann
2020-07-01  9:28                     ` Anson Huang
2020-07-01  9:40                       ` Anson Huang
2020-07-01  9:54                         ` Arnd Bergmann
2020-06-30  3:36         ` Dong Aisheng
2020-06-29  5:53 ` [PATCH V3 05/10] clk: imx: Support building i.MX common " Anson Huang
2020-06-29  5:53 ` [PATCH V3 06/10] clk: imx8mm: Support module build Anson Huang
2020-06-29  5:53 ` [PATCH V3 07/10] clk: imx8mn: " Anson Huang
2020-06-29  5:54 ` [PATCH V3 08/10] clk: imx8mp: " Anson Huang
2020-06-29  5:54 ` [PATCH V3 09/10] clk: imx8mq: " Anson Huang
2020-06-29  5:54 ` [PATCH V3 10/10] clk: imx8qxp: " Anson Huang
2020-06-29 11:40   ` Arnd Bergmann
2020-06-29 11:43     ` Anson Huang
2020-06-29 11:58       ` Arnd Bergmann

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