@@ -342,8 +342,8 @@ static const char *ulite_type(struct uart_port *port)
static void ulite_release_port(struct uart_port *port)
{
- release_mem_region(port->mapbase, ULITE_REGION);
- iounmap(port->membase);
+ devm_release_mem_region(port->dev, port->mapbase, ULITE_REGION);
+ devm_iounmap(port->dev, port->membase);
port->membase = NULL;
}
@@ -355,15 +355,20 @@ static int ulite_request_port(struct uart_port *port)
dev_dbg(port->dev, "ulite console: port=%p; port->mapbase=%llx\n",
port, (unsigned long long) port->mapbase);
- if (!request_mem_region(port->mapbase, ULITE_REGION, "uartlite")) {
+ if (!devm_request_mem_region(port->dev,
+ port->mapbase,
+ ULITE_REGION,
+ "uartlite")) {
dev_err(port->dev, "Memory region busy\n");
return -EBUSY;
}
- port->membase = ioremap(port->mapbase, ULITE_REGION);
+ port->membase = devm_ioremap(port->dev, port->mapbase, ULITE_REGION);
if (!port->membase) {
dev_err(port->dev, "Unable to map registers\n");
- release_mem_region(port->mapbase, ULITE_REGION);
+ devm_release_mem_region(port->dev,
+ port->mapbase,
+ ULITE_REGION);
return -EBUSY;
}
Use the safer devm versions of memory mapping functions. Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net> --- drivers/tty/serial/uartlite.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-)