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From: Thierry Reding <thierry.reding@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 5/6] ARM: tegra: MASK_BITS_ no longer needs specific values
Date: Fri, 24 Jan 2014 14:50:12 +0100	[thread overview]
Message-ID: <20140124135011.GC25720@ulmo.nvidia.com> (raw)
In-Reply-To: <1390422036-31947-5-git-send-email-swarren@wwwdotorg.org>

On Wed, Jan 22, 2014 at 01:20:35PM -0700, Stephen Warren wrote:
> From: Stephen Warren <swarren@nvidia.com>
> 
> Since all code that sets or interprets MASK_BITS_* now uses the enums
> to define/compare the values, there is no need for MASK_BITS_* to have
> a specific integer value. In fact, having a specific integer value may
> encourage people to hard-code those values, or interpret the values in
> incorrect ways.
> 
> As such, remove the logic that assigns a specific value to the enum
> values in order to make it completely clear that it's just an enum, not
> something that directly represents some integer value.

Ah yes, that's a nice way to clean it up as well, so my earlier comment
about turning these into defines can be considered obsolete.

> diff --git a/arch/arm/include/asm/arch-tegra/clock.h b/arch/arm/include/asm/arch-tegra/clock.h
> index cb89bd91f40c..357d9c592b55 100644
> --- a/arch/arm/include/asm/arch-tegra/clock.h
> +++ b/arch/arm/include/asm/arch-tegra/clock.h
> @@ -30,7 +30,7 @@ enum clock_osc_freq {
>   * them all together and pretends they're all 31:28.
>   */
>  enum {
> -	MASK_BITS_31_30	= 2,	/* num of bits used to specify clock source */
> +	MASK_BITS_31_30,	/* num of bits used to specify clock source */

Should the comment not be removed as well now?

Thierry
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  reply	other threads:[~2014-01-24 13:50 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-22 20:20 [U-Boot] [PATCH 1/6] ARM: tegra: deduplicate MASK_BITS_xxx clock mux enum Stephen Warren
2014-01-22 20:20 ` [U-Boot] [PATCH 2/6] ARM: tegra: rename MASK_BITS_29_28 to MASK_BITS_31_28 Stephen Warren
2014-01-24 13:44   ` Thierry Reding
2014-01-24 17:08     ` Stephen Warren
2014-01-22 20:20 ` [U-Boot] [PATCH 3/6] ARM: tegra: rename OUT_CLK_SOURCE_* Stephen Warren
2014-01-24 13:47   ` Thierry Reding
2014-01-24 17:08     ` Stephen Warren
2014-01-22 20:20 ` [U-Boot] [PATCH 4/6] ARM: tegra: use MASK_BITS_* macros everywhere Stephen Warren
2014-01-22 20:20 ` [U-Boot] [PATCH 5/6] ARM: tegra: MASK_BITS_ no longer needs specific values Stephen Warren
2014-01-24 13:50   ` Thierry Reding [this message]
2014-01-24 17:09     ` Stephen Warren
2014-01-22 20:20 ` [U-Boot] [PATCH 6/6] ARM: tegra: implement MASK_BITS_31_29 Stephen Warren
2014-01-22 21:35 ` [U-Boot] [PATCH 1/6] ARM: tegra: deduplicate MASK_BITS_xxx clock mux enum Tom Warren
2014-01-22 21:54   ` Stephen Warren
2014-01-22 22:05     ` Tom Warren
2014-01-24 13:54 ` Thierry Reding
2014-01-24 17:15   ` Stephen Warren

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