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serial: MIPS: lantiq: use devm_iounmap instead of iounmap 

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>
This commit is contained in:
Sudip Mukherjee 2014-11-06 19:00:42 +05:30 committed by Greg Kroah-Hartman
parent b1835d238a
commit 1511316fbd
1 changed files with 3 additions and 1 deletions
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4
drivers/tty/serial/lantiq.c
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@ -497,8 +497,10 @@ lqasc_type(struct uart_port *port)
static void
lqasc_release_port(struct uart_port *port)
{
struct platform_device *pdev = to_platform_device(port->dev);
if (port->flags & UPF_IOREMAP) {
iounmap(port->membase);
devm_iounmap(&pdev->dev, port->membase);
port->membase = NULL;
}
}