linux-kernel - Re: [PATCH 1/3 V3] acpi:soc: merge common codes for creating platform device

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Message-ID: <10727316.ODV2mHv2Vx@vostro.rjw.lan>
Date:	Fri, 30 Jan 2015 16:08:08 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	"Xue, Ken" <Ken.Xue@....com>
Cc:	"andy.shevchenko@...il.com" <andy.shevchenko@...il.com>,
	"mika.westerberg@...ux.intel.com" <mika.westerberg@...ux.intel.com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3 V3] acpi:soc: merge common codes for creating platform device

On Friday, January 30, 2015 07:07:14 AM Xue, Ken wrote:
> Hi Rafael,
> 	I looked into your patch in https://patchwork.kernel.org/patch/5677461/.
> 	I found that "XXX_platform_notify" should be implemented separately  in LPSS and APD driver  instead of "acpi_soc_platform_notify" in acpi_soc.
> 	Because there is WA can't be share with two drivers. And it can make LPSS or APD driver more flexible.
> 
> 	Then only "acpi_soc_create_device" can be shared by LPSS and APD. Maybe, the meaning of acpi_soc becomes less than what we expected.
> 	So, can we go back to two separated drivers without any binding?

I don't want code duplication between them, though.  So if there's a function
that may be shared between them, it should be shared.  And so on.  No duplicate
data structure definitions etc.

> And try thoughts about acpi_soc, if there were more common features.

As I said.  If you can do that without code duplication, please feel free to try.


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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