[PATCH 1/1] net: introduce phylib

[Sascha Hauer]

On Sat, Sep 22, 2012 at 12:12:54PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> Adapt phylib from linux
> 
> switch all the driver to it
> reimplement mii bus
> 
> This will allow to have
>  - phy drivers
>  - to only connect the phy at then opening of the device
>  - if the phy is not ready or not up fail on open
> 
> Same behaviour as in linux and will allow to share code and simplify porting.
> 
> + * get_phy_id - reads the specified addr for its ID.
> + * @bus: the target MII bus
> + * @addr: PHY address on the MII bus
> + * @phy_id: where to store the ID retrieved.
> + *
> + * Description: Reads the ID registers of the PHY at @addr on the
> + *   @bus, stores it in @phy_id and returns zero on success.
> + */
> +int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id)
> +{
> +	int phy_reg;
> +
> +	/* Grab the bits from PHYIR1, and put them
> +	 * in the upper half */
> +	phy_reg = mdiobus_read(bus, addr, MII_PHYSID1);
> +
> +	io (phy_reg < 0)
> +		return -EIO;

Which gcc version do you use? Mine doesn't understand 'io'

Please also fix this:

config:     ppc              pcm030_defconfig
drivers/net/fec_mpc5200.c: In function 'mpc5xxx_fec_probe':
drivers/net/fec_mpc5200.c:683:8: error: 'RMII' undeclared (first use in this function)
drivers/net/fec_mpc5200.c:683:8: note: each undeclared identifier is reported only once for each function it appears in
drivers/net/fec_mpc5200.c:686:8: error: 'RGMII' undeclared (first use inthis function)
make[2]: *** [drivers/net/fec_mpc5200.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [drivers/net] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [drivers] Error 2
make: *** Waiting for unfinished jobs....



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