netdev - Re: spidernet: add improved phy support in sungem

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Date:	Thu, 1 Feb 2007 11:54:49 +0100
From:	Jens Osterkamp <jens@...ibm.com>
To:	Francois Romieu <romieu@...zoreil.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Ishizaki Kou <kou.ishizaki@...hiba.co.jp>,
	linuxppc-dev@...abs.org, netdev@...r.kernel.org,
	cbe-oss-dev@...abs.org, Linas Vepstas <linas@...tin.ibm.com>,
	jgarzik@...ox.com, James K Lewis <jim@...ewis.com>
Subject: Re: spidernet: add improved phy support in sungem_phy.c


Francois,

thank you for your comments. I'll send a revised patch soon.

> +#define BCM5421_MODE_MASK	1 << 5
> 
> Please add parenthesis.

Done.

> "&" is fine despite the lack of parenthesis above but it is error-prone.

Corrected.

> 
> +
> +	if ( mode == GMII_COPPER) {
>            ^^^
> +		return genmii_poll_link(phy);
> +	}
> 
> No curly-braces for single line statements please.

I corrected this on all my additions.

> Ternary operator ?

I dont like ternary operators. Yes, I know, they are cool, but
they make the code much less readable IMHO.

> +#define BCM5461_FIBER_LINK	1 << 2
> +#define BCM5461_MODE_MASK	3 << 1
> 
> Please add parenthesis.

Done.

> Join the dark side and use a ternary operator.

See above.

> +static int bcm5461_enable_fiber(struct mii_phy* phy, int autoneg)
> +{
> +	/*
> +	phy_write(phy, MII_NCONFIG, 0xfc0c);
> +	phy_write(phy, MII_BMCR, 0x4140);
> +	*/
> 
> Remove ?

Done.

Jens
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