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Date:	Mon, 21 Jan 2008 14:05:15 -0600
From:	Andy Fleming <>
To:	Nate Case <>
Cc:	netdev <>
Subject: Re: [PATCH] PHYLIB: Locking fixes for PHY I/O potentially sleeping

On Jan 3, 2008, at 17:36, Nate Case wrote:

> PHY read/write functions can potentially sleep (e.g., a PHY accessed
> via I2C).  The following changes were made to account for this:
>     * Change spin locks to mutex locks
>     * Add a BUG_ON() to phy_read() phy_write() to warn against
>       calling them from an interrupt context.
>     * Use work queue for PHY state machine handling since
>       it can potentially sleep
>     * Change phydev lock from spinlock to mutex
> Signed-off-by: Nate Case <>

Ok, I've tested this on my system and it works.

Acked-by: Andy Fleming <>
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