linux-kernel - Re: [PATCH] r6040: fix typo in use of MCR0 register bits

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Date:	Sat, 07 Jan 2012 12:09:47 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	cesarb@...arb.net
Cc:	florian@...nwrt.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] r6040: fix typo in use of MCR0 register bits

From: Cesar Eduardo Barros <cesarb@...arb.net>
Date: Sat,  7 Jan 2012 13:13:17 -0200

> Commit 4e16d6ebd65b4f2c4e3f780b4c5704beef64019c (r6040: define more MCR0
> register bits) added #define values for MCR0 register bits and converted
> uses of hardcoded magic values to uses of these defines.
> 
> However, one of the conversions looks suspicious:
> 
>  #define MCR0		0x00	/* Control register 0 */
> +#define  MCR0_RCVEN	0x0002	/* Receive enable */
> +#define  MCR0_XMTEN	0x1000	/* Transmission enable */
> 
>  	/* Init RDC private data */
> -	lp->mcr0 = 0x1002;
> +	lp->mcr0 = MCR0_XMTEN | MCR0;
> 
> I believe what was meant here was MCR0_XMTEN | MCR0_RCVEN, which makes
> sense and matches the original values.
> 
> Signed-off-by: Cesar Eduardo Barros <cesarb@...arb.net>

Good catch, applied, thanks a lot.
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