netdev - Re: [PATCH v2 01/02] net: phy: marvell: Add Marvell 88E1340 support

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Message-ID: <20200617084729.GN1551@shell.armlinux.org.uk>
Date:   Wed, 17 Jun 2020 09:47:29 +0100
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Maxim Kochetkov <fido_max@...ox.ru>
Cc:     netdev@...r.kernel.org, andrew@...n.ch, f.fainelli@...il.com,
        hkallweit1@...il.com
Subject: Re: [PATCH v2 01/02] net: phy: marvell: Add Marvell 88E1340 support

On Wed, Jun 17, 2020 at 07:52:45AM +0300, Maxim Kochetkov wrote:
> Add Marvell 88E1340 support
> Signed-off-by: Maxim Kochetkov <fido_max@...ox.ru>
> ---
>  drivers/net/phy/marvell.c   | 23 +++++++++++++++++++++++
>  include/linux/marvell_phy.h |  1 +
>  2 files changed, 24 insertions(+)
> 
> diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
> index 7fc8e10c5f33..4cc4e25fed2d 100644
> --- a/drivers/net/phy/marvell.c
> +++ b/drivers/net/phy/marvell.c
> @@ -2459,6 +2459,28 @@ static struct phy_driver marvell_drivers[] = {
>  		.get_tunable = m88e1540_get_tunable,
>  		.set_tunable = m88e1540_set_tunable,
>  	},
> +	{
> +		.phy_id = MARVELL_PHY_ID_88E1340S,
> +		.phy_id_mask = MARVELL_PHY_ID_MASK,
> +		.name = "Marvell 88E1340S",
> +		.probe = m88e1510_probe,
> +		/* PHY_GBIT_FEATURES */
> +		.config_init = &marvell_config_init,
> +		.config_aneg = &m88e1510_config_aneg,
> +		.read_status = &marvell_read_status,
> +		.ack_interrupt = &marvell_ack_interrupt,
> +		.config_intr = &marvell_config_intr,
> +		.did_interrupt = &m88e1121_did_interrupt,
> +		.resume = &genphy_resume,
> +		.suspend = &genphy_suspend,
> +		.read_page = marvell_read_page,
> +		.write_page = marvell_write_page,
> +		.get_sset_count = marvell_get_sset_count,
> +		.get_strings = marvell_get_strings,
> +		.get_stats = marvell_get_stats,
> +		.get_tunable = m88e1540_get_tunable,
> +		.set_tunable = m88e1540_set_tunable,

Can we use a single style for referencing functions please?  The kernel
in general does not use &func, it's more typing than is necessary.  The
C99 standard says:

   6.3.2.1  Lvalues, arrays, and function designators

4  A function designator is an expression that has function type.
   Except when it is the operand of the sizeof operator or the unary
   & operator, a function designator with type ``function returning
   type'' is converted to an expression that has type ``pointer to
   function returning type''.

Hence, 

  .resume = &genphy_resume

and

  .resume = genphy_resume

are equivalent but sizeof(genphy_resume) and sizeof(&genphy_resume) are
not.

Thanks.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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