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From: Catalin Marinas <catalin.marinas@arm.com>
To: Graeme Gregory <graeme.gregory@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
	"linaro-acpi@lists.linaro.org" <linaro-acpi@lists.linaro.org>,
	Rob Herring <robh@kernel.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	Robert Richter <rric@kernel.org>,
	Jason Cooper <jason@lakedaemon.net>,
	"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
	Marc Zyngier <Marc.Zyngier@arm.com>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Robert Moore <robert.moore@intel.com>,
	Will Deacon <Will.Deacon@arm.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Mark Brown <broonie@kernel.org>, Olof Johansson <olof@lixom.net>,
	Liviu Dudau <Liviu.Dudau@arm.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	Lv Zheng <lv.zheng@intel.com>
Subject: Re: [Linaro-acpi] [RFC PATCH for Juno 1/2] net: smsc911x add support for probing from ACPI
Date: Mon, 1 Sep 2014 17:53:33 +0100	[thread overview]
Message-ID: <20140901165333.GE608@arm.com> (raw)
In-Reply-To: <20140901152854.GJ2953@xora-haswell.xora.org.uk>

On Mon, Sep 01, 2014 at 04:28:54PM +0100, Graeme Gregory wrote:
> On Mon, Sep 01, 2014 at 05:17:51PM +0200, Arnd Bergmann wrote:
> > On Monday 01 September 2014 23:06:00 Hanjun Guo wrote:
> > > +#ifdef CONFIG_ACPI
> > > +/* Configure some sensible defaults for ACPI mode */
> > > +static int smsc911x_probe_config_acpi(struct smsc911x_platform_config *config,
> > > +                                   acpi_handle *ahandle)
> > > +{
> > > +       if (!ahandle)
> > > +               return -ENOSYS;
> > > +
> > > +       config->phy_interface = PHY_INTERFACE_MODE_MII;
> > > 
> > 
> > Please remove the #ifdef and use 
> > 
> > 	if (!IS_ENABLED(CONFIG_ACPI) || !ahandle)
> > 
> > to check for ACPI support. This should result in the same object code
> > in all cases, but give better compile-time coverage when ACPI is
> > disabled.
> > 
> struct acpi_handle does not exist in the case !CONFIG_ACPI

Confused. Then how come smsc911x_drv_probe() has this line:

	acpi_handle *ahandle = ACPI_HANDLE(&pdev->dev);

without any #ifdef's.

-- 
Catalin

  parent reply	other threads:[~2014-09-01 16:53 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-01 15:05 [RFC PATCH for Juno 0/2] Drivers for Juno to boot from ACPI Hanjun Guo
2014-09-01 15:06 ` [RFC PATCH for Juno 1/2] net: smsc911x add support for probing " Hanjun Guo
2014-09-01 15:17   ` [Linaro-acpi] " Arnd Bergmann
2014-09-01 15:28     ` Graeme Gregory
2014-09-01 15:32       ` Arnd Bergmann
2014-09-01 16:53       ` Catalin Marinas [this message]
2014-09-01 16:58         ` Mark Brown
2014-09-01 17:08           ` Sudeep Holla
2014-09-01 17:14             ` Catalin Marinas
2014-09-01 17:33               ` Sudeep Holla
2014-09-01 17:03         ` Graeme Gregory
2014-09-15  4:08       ` Grant Likely
2014-09-15  9:24         ` Catalin Marinas
2014-09-01 17:04   ` Catalin Marinas
2014-09-01 17:11     ` Arnd Bergmann
2014-09-01 17:27       ` Catalin Marinas
2014-09-01 17:32       ` Graeme Gregory
2014-09-01 18:11         ` Mark Brown
2014-09-02 13:26         ` Catalin Marinas
2014-09-02 13:42           ` [Linaro-acpi] " Arnd Bergmann
2014-09-02 16:26             ` Mark Brown
2014-09-02 23:00               ` Rafael J. Wysocki
2014-09-03 15:09                 ` Arnd Bergmann
2014-09-09  6:51                   ` Jon Masters
2014-09-15  4:14       ` Grant Likely
2014-09-15 16:12         ` Mark Brown
2014-09-01 15:06 ` [RFC PATCH for Juno 2/2] tty: SBSA compatible UART Hanjun Guo
2014-09-01 15:26   ` Mark Brown
2014-09-01 17:12   ` Catalin Marinas
2014-09-01 17:18     ` Graeme Gregory
2014-09-01 17:29       ` Catalin Marinas
2014-09-01 15:29 ` [RFC PATCH for Juno 0/2] Drivers for Juno to boot from ACPI Arnd Bergmann

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