linux-kernel - Re: [Linaro-acpi] [RFC PATCH for Juno 1/2] net: smsc911x add support for probing from ACPI

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Message-ID: <20140901171451.GH608@arm.com>
Date:	Mon, 1 Sep 2014 18:14:51 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Sudeep Holla <Sudeep.Holla@....com>
Cc:	Mark Brown <broonie@...nel.org>,
	"graeme.gregory@...aro.org" <graeme.gregory@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	"linaro-acpi@...ts.linaro.org" <linaro-acpi@...ts.linaro.org>,
	Rob Herring <robh@...nel.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	Robert Richter <rric@...nel.org>,
	Jason Cooper <jason@...edaemon.net>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	Marc Zyngier <Marc.Zyngier@....com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Robert Moore <robert.moore@...el.com>,
	Will Deacon <Will.Deacon@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Olof Johansson <olof@...om.net>,
	Liviu Dudau <Liviu.Dudau@....com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Lv Zheng <lv.zheng@...el.com>
Subject: Re: [Linaro-acpi] [RFC PATCH for Juno 1/2] net: smsc911x add support
 for probing from ACPI

On Mon, Sep 01, 2014 at 06:08:49PM +0100, Sudeep Holla wrote:
> On 01/09/14 17:58, Mark Brown wrote:
> > On Mon, Sep 01, 2014 at 05:53:33PM +0100, Catalin Marinas wrote:
> >
> >> Confused. Then how come smsc911x_drv_probe() has this line:
> >
> >> 	acpi_handle *ahandle = ACPI_HANDLE(&pdev->dev);
> >
> >> without any #ifdef's.
> >
> > There's a stub smsc911x_probe_config_acpi() provided in the non-ACPI
> > case, Arnd's suggestion is basically to remove the stub.
> >
> 
> I think Catalin is referring to ACPI_HANDLE used without any #ifdefs
> 
> Catalin, few macros like ACPI_HANDLE and ACPI_PTR are defined in
> include/linux/acpi.h even when CONFIG_ACPI is not set mainly to
> avoid #ifdef's around simple assignments like the above one and one
> in platform_driver.acpi_match_table

My comment was to Graeme who said that #ifdef's were needed because
acpi_handle (lowercase) was not defined in the !CONFIG_ACPI case.
However, further down in the patch it was used without any #ifdef's.

-- 
Catalin
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