Re: [PATCH v9 1/8] drivers: phy: add generic PHY framework

From: Greg KH
Date: Wed Jul 17 2013 - 02:29:46 EST


On Wed, Jun 26, 2013 at 05:17:29PM +0530, Kishon Vijay Abraham I wrote:
> +menuconfig GENERIC_PHY
> + tristate "PHY Subsystem"
> + help
> + Generic PHY support.
> +
> + This framework is designed to provide a generic interface for PHY
> + devices present in the kernel. This layer will have the generic
> + API by which phy drivers can create PHY using the phy framework and
> + phy users can obtain reference to the PHY.

Shouldn't this be something that other drivers select? How will anyone
know if they need this or not?

> --- /dev/null
> +++ b/drivers/phy/phy-core.c
> @@ -0,0 +1,544 @@
> +/*
> + * phy-core.c -- Generic Phy framework.
> + *
> + * Copyright (C) 2013 Texas Instruments
> + *
> + * Author: Kishon Vijay Abraham I <kishon@xxxxxx>
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms of the GNU General Public License as published by the
> + * Free Software Foundation; either version 2 of the License, or (at your
> + * option) any later version.

You really mean "any later version" (I have to ask)?

> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program. If not, see <http://www.gnu.org/licenses/>.

Are these two paragraphs needed? This isn't a "program", and they got a
copy of the GPL already with the kernel.

> +static struct class *phy_class;

Why do you need a class?

When modifying/adding new sysfs stuff, you need a Documentation/ABI/
entry as well.

thanks,

greg k-h
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