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Subject[PATCH v2 32/45] drivers: tty: serial: atmel_serial: use devm_* functions
Date
Use the safer devm versions of memory mapping functions.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
---
drivers/tty/serial/atmel_serial.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 05147fe..084f106 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -2389,10 +2389,10 @@ static void atmel_release_port(struct uart_port *port)
struct platform_device *mpdev = to_platform_device(port->dev->parent);
int size = resource_size(mpdev->resource);

- release_mem_region(port->mapbase, size);
+ devm_release_mem_region(port->dev, port->mapbase, size);

if (port->flags & UPF_IOREMAP) {
- iounmap(port->membase);
+ devm_iounmap(port->dev, port->membase);
port->membase = NULL;
}
}
@@ -2405,13 +2405,16 @@ static int atmel_request_port(struct uart_port *port)
struct platform_device *mpdev = to_platform_device(port->dev->parent);
int size = resource_size(mpdev->resource);

- if (!request_mem_region(port->mapbase, size, "atmel_serial"))
+ if (!devm_request_mem_region(port->dev,
+ port->mapbase,
+ size,
+ "atmel_serial"))
return -EBUSY;

if (port->flags & UPF_IOREMAP) {
- port->membase = ioremap(port->mapbase, size);
+ port->membase = devm_ioremap(port->dev, 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
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