serial: MIPS: lantiq: use devm_iounmap instead of iounmap
authorSudip Mukherjee <sudipm.mukherjee@gmail.com>
Thu, 6 Nov 2014 13:30:42 +0000 (19:00 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 6 Nov 2014 23:01:03 +0000 (15:01 -0800)
port->membase was allocated using devm_ioremap_nocache, so ideally
we should unmap it using devm_iounmap. but it was using iounmap.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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