[PATCH v2 17/45] drivers: tty: serial: timuart: use devm_* functions

[Enrico Weigelt, metux IT consult]

Use the safer devm versions of memory mapping functions.

Signed-off-by: Enrico Weigelt, metux IT consult <i...@metux.net>
---
 drivers/tty/serial/timbuart.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/timbuart.c b/drivers/tty/serial/timbuart.c
index 19d38b5..292354b 100644
--- a/drivers/tty/serial/timbuart.c
+++ b/drivers/tty/serial/timbuart.c
@@ -319,11 +319,11 @@ static void timbuart_release_port(struct uart_port *port)
                resource_size(platform_get_resource(pdev, IORESOURCE_MEM, 0));
 
        if (port->flags & UPF_IOREMAP) {
-               iounmap(port->membase);
+               devm_iounmap(port->dev, port->membase);
                port->membase = NULL;
        }
 
-       release_mem_region(port->mapbase, size);
+       devm_release_mem_region(port->dev, port->mapbase, size);
 }
 
 static int timbuart_request_port(struct uart_port *port)
@@ -332,13 +332,18 @@ static int timbuart_request_port(struct uart_port *port)
        int size =
                resource_size(platform_get_resource(pdev, IORESOURCE_MEM, 0));
 
-       if (!request_mem_region(port->mapbase, size, "timb-uart"))
+       if (!devm_request_mem_region(port->dev,
+                                    port->mapbase,
+                                    size,
+                                    "timb-uart"))
                return -EBUSY;
 
        if (port->flags & UPF_IOREMAP) {
                port->membase = ioremap(port->mapbase, size);
                if (port->membase == NULL) {
-                       release_mem_region(port->mapbase, size);
+                       devm-release_mem_region(port->dev,
+                                               port->mapbase,
+                                               size);
                        return -ENOMEM;
                }
        }
-- 
1.9.1