[PATCH 1/5] net: mvmdio: unmap base register address at driver removal

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Wed Jan 30 02:32:42 EST 2013

Dear Florian Fainelli,

On Tue, 29 Jan 2013 16:24:04 +0100, Florian Fainelli wrote:
> Fix the driver remove callback to unmap the base register address and
> not leak this mapping after the driver has been removed.
> Signed-off-by: Florian Fainelli <florian at openwrt.org>

What about using devm_request_and_ioremap() instead, in order to get
automatic unmap on error and in the ->remove() path?

But maybe it won't work because this memory range is claimed both by
the MDIO driver and the Ethernet driver itself. In that case, you could
use devm_ioremap().

Best regards,

Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.

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