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SubjectRe: [PATCH net-next v3] net: dsa: mv88e6xxx: Prevent suspend to RAM
On Tue, Feb 05, 2019 at 12:07:28PM +0100, Miquel Raynal wrote:
> On one hand, the mv88e6xxx driver has a work queue called in loop
> which will attempt register accesses after MDIO bus suspension, that
> entirely freezes the platform during suspend.
> On the other hand, the DSA core is not ready yet to support suspend to
> RAM operation because so far there is no way to recover reliably the
> switch configuration.
> To avoid the kernel to freeze when suspending with a switch driven by
> the mv88e6xxx driver, we choose to prevent the driver suspension and
> in the same way, the whole platform.
> Signed-off-by: Miquel Raynal <>

Reviewed-by: Andrew Lunn <>


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