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Subject[PATCH v2 36/45] drivers: tty: serial: pic32_uart: 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/pic32_uart.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/pic32_uart.c b/drivers/tty/serial/pic32_uart.c
index 0bdf168..b4f0b29 100644
--- a/drivers/tty/serial/pic32_uart.c
+++ b/drivers/tty/serial/pic32_uart.c
@@ -614,15 +614,19 @@ static int pic32_uart_request_port(struct uart_port *port)
if (unlikely(!res_mem))
return -EINVAL;

- if (!request_mem_region(port->mapbase, resource_size(res_mem),
- "pic32_uart_mem"))
+ if (!devm_request_mem_region(port->dev,
+ port->mapbase,
+ resource_size(res_mem),
+ "pic32_uart_mem"))
return -EBUSY;

port->membase = devm_ioremap_nocache(port->dev, port->mapbase,
resource_size(res_mem));
if (!port->membase) {
dev_err(port->dev, "Unable to map registers\n");
- release_mem_region(port->mapbase, resource_size(res_mem));
+ devm_release_mem_region(port->dev,
+ port->mapbase,
+ resource_size(res_mem));
return -ENOMEM;
}

@@ -641,7 +645,7 @@ static void pic32_uart_release_port(struct uart_port *port)
return;
res_size = resource_size(res_mem);

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

/* serial core request to do any port required auto-configuration */
--
1.9.1
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