From: Florian Fainelli <f.faine...@gmail.com>
Date: Tue, 25 Aug 2015 07:08:24 -0700
> Le 08/25/15 01:49, Russell King a écrit :
>> The phy layer is missing locking for the above two functions - it
>> has been observed that two threads (userspace and the phy worker
>> thread) can race, entering the bus ->write or ->read functions
>> simultaneously.
>>
>> This causes the FEC driver to initialise a completion while another
>> thread is waiting on it or while the interrupt is calling complete()
>> on it, which causes spinlock unlock-without-lock, spinlock lockups,
>> and completion timeouts.
>>
>> Signed-off-by: Russell King <rmk+ker...@arm.linux.org.uk>
>
> Acked-by: Florian Fainelli <f.faine...@gmail.com>
> Fixes: a59a4d192 ("phy: add the EEE support and the way to access to the
> MMD registers.")
> Fixes: 0c1d77dfb ("net: libphy: Add phy specific function to access mmd
> phy registers")
Applied, thanks.
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