linux-kernel - Re: [PATCH 08/10] arm/tegra: pinmux tables and definitions for tegra30

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Date:	Fri, 18 Nov 2011 13:56:07 -0800
From:	Olof Johansson <olof@...om.net>
To:	Stephen Warren <swarren@...dia.com>
Cc:	Peter De Schrijver <pdeschrijver@...dia.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Randy Dunlap <rdunlap@...otime.net>,
	Russell King <linux@....linux.org.uk>,
	Colin Cross <ccross@...roid.com>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH 08/10] arm/tegra: pinmux tables and definitions for tegra30

On Fri, Nov 18, 2011 at 1:51 PM, Stephen Warren <swarren@...dia.com> wrote:
> Olof Johansson wrote at Friday, November 18, 2011 2:43 PM:
>> > @@ -667,7 +710,12 @@ void tegra_pinmux_config_pullupdown_table(const struct tegra_pingroup_config *co
>> >  }
>> >
>> >  static struct of_device_id tegra_pinmux_of_match[] __devinitdata = {
>> > +#ifdef CONFIG_ARCH_TEGRA_2x_SOC
>> >     { .compatible = "nvidia,tegra20-pinmux", tegra20_pinmux_init },
>> > +#endif
>> > +#ifdef CONFIG_ARCH_TEGRA_3x_SOC
>> > +   { .compatible = "nvidia,tegra30-pinmux", tegra30_pinmux_init },
>> > +#endif
>>
>> Again, provide empty stubs instead of ifdeffing the table.
>
> Isn't it better for the driver not to support that compatible flag, rather
> than claiming support, but then not actually working correctly?

Ah, yes, of course. I misread it as one of the scan tables, not used
for probing. Nevermind.


-Olof
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