Messages in this thread |  | | Date | Tue, 03 Dec 2013 13:08:20 -0700 | From | Stephen Warren <> | Subject | Re: [PATCH 1/2] ARM: dts: tegra: Header file for pinctrl constants |
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On 12/02/2013 11:04 PM, Laxman Dewangan wrote: > 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.
That documentation is relative to a specific field, whereas the namespace for #defines is global. Hence, we may have to name #defines using stricter rules than the TRM's field values, in order to make them unambiguous.
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