linux-kernel - Re: [PATCH 1/2] ARM: dts: tegra: Header file for pinctrl constants

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Date:	Tue, 3 Dec 2013 11:34:13 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	Thierry Reding <thierry.reding@...il.com>
CC:	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	"swarren@...dotorg.org" <swarren@...dotorg.org>,
	"pawel.moll@....com" <pawel.moll@....com>,
	"mark.rutland@....com" <mark.rutland@....com>,
	"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"devicetree@...r.kernel.org" <devicetree@...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>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] ARM: dts: tegra: Header file for pinctrl constants

On Monday 02 December 2013 07:55 PM, Thierry Reding wrote:
> * PGP Signed by an unknown key
>
> On Mon, Dec 02, 2013 at 07:25:01PM +0530, Laxman Dewangan wrote:
>

> +
> +/* Schmitt enable/disable */
> +#define TEGRA_PIN_DRIVE_SCHMITT_DISABLE			0
> +#define TEGRA_PIN_DRIVE_SCHMITT_ENABLE			1
> These are all boolean, so I wonder if perhaps we should be simply
> defining a single pair and reuse that in different contexts:
>
> 	#define TEGRA_PIN_DISABLE	0
> 	#define TEGRA_PIN_ENABLE	1
>
> The property names should provide enough context for them to be used
> unambiguously.
>
>

I can make generic ENABLE/DISABLE macro as you suggested but datasheet 
says as 0=NORMAL, 1 = TRISTATE. and that's why I kept name very near to 
the datasheet.

Thanks,
Laxman
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