From 1511316fbd1c690ad0a16324d88fb5ec45d6be36 Mon Sep 17 00:00:00 2001 From: Sudip Mukherjee Date: Thu, 6 Nov 2014 19:00:42 +0530 Subject: [PATCH] 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 Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/lantiq.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c index 4675fe198d31..18c3844510ff 100644 --- a/drivers/tty/serial/lantiq.c +++ b/drivers/tty/serial/lantiq.c @@ -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; } } -- 2.20.1