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Date:   Thu, 10 Sep 2020 14:20:02 +0200
From:   Pavel Machek <pavel@....cz>
To:     Marek Behún <marek.behun@....cz>
Cc:     netdev@...r.kernel.org, linux-leds@...r.kernel.org,
        Dan Murphy <dmurphy@...com>,
        Ondřej Jirman <megous@...ous.com>,
        Russell King <linux@...linux.org.uk>,
        Andrew Lunn <andrew@...n.ch>, linux-kernel@...r.kernel.org,
        Matthias Schiffer <matthias.schiffer@...tq-group.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH net-next + leds v2 3/7] net: phy: add simple incrementing
 phyindex member to phy_device struct

Hi!

> names are not suited for this, since in some situations a PHY device
> name can look like this
>   d0032004.mdio-mii:01
> or even like this
>   /soc/internal-regs@...00000/mdio@...04/switch0@...mdio:08
> Clearly this cannot be used as the `device` part of a LED name.
> 
> Signed-off-by: Marek Behún <marek.behun@....cz>
> ---
>  drivers/net/phy/phy_device.c | 3 +++
>  include/linux/phy.h          | 3 +++
>  2 files changed, 6 insertions(+)
> 
> diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
> index 8adfbad0a1e8f..38f56d39f1229 100644
> --- a/drivers/net/phy/phy_device.c
> +++ b/drivers/net/phy/phy_device.c
> @@ -9,6 +9,7 @@
>  
>  #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
>  
> +#include <linux/atomic.h>
>  #include <linux/bitmap.h>
>  #include <linux/delay.h>
>  #include <linux/errno.h>
> @@ -892,6 +893,7 @@ EXPORT_SYMBOL(get_phy_device);
>   */
>  int phy_device_register(struct phy_device *phydev)
>  {
> +	static atomic_t phyindex;
>  	int err;
>  
>  	err = mdiobus_register_device(&phydev->mdio);

I'd put the static out of the function... for greater visibility.

Otherwise: Reviewed-by: Pavel Machek <pavel@....cz>

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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