linux-kernel - Re: [PATCH] Show proper respect for Heinrich Hertz by using the correct unit for frequency

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Message-ID: <20150502145947.GA8156@xo-6d-61-c0.localdomain>
Date:	Sat, 2 May 2015 16:59:47 +0200
From:	Pavel Machek <pavel@....cz>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org
Subject: Re: [PATCH] Show proper respect for Heinrich Hertz by using the
 correct unit for frequency

Hi!

> The SI unit of frequency is Hertz, named after Heinrich Hertz, and is
> given the symbol "Hz" to denote this.  "hz" is not the unit of frequency,
> and is in fact meaningless.
> 
> Fix arch/arm to correctly use "Hz", thereby acknowledging Heinrich Hertz
> contribution to the modern world.
> 

> --- a/arch/arm/mach-ixp4xx/include/mach/platform.h
> +++ b/arch/arm/mach-ixp4xx/include/mach/platform.h
> @@ -74,7 +74,7 @@ extern unsigned long ixp4xx_exp_bus_size;
>  /*
>   * Clock Speed Definitions.
>   */
> -#define IXP4XX_PERIPHERAL_BUS_CLOCK 	(66) /* 66Mhzi APB BUS   */ 
> +#define IXP4XX_PERIPHERAL_BUS_CLOCK 	(66) /* 66MHzi APB BUS   */ 
>  #define IXP4XX_UART_XTAL        	14745600
>  

Speaking about meaningless... What is MHzi supposed to mean?

ACK for the rest.
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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