Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
{
release_mem_region(port->mapbase, ULITE_REGION);
iounmap(port->membase);
- port->membase = 0;
+ port->membase = NULL;
}
static int ulite_request_port(struct uart_port *port)
port->iotype = UPIO_MEM;
port->iobase = 1; /* mark port in use */
port->mapbase = res->start;
- port->membase = 0;
+ port->membase = NULL;
port->ops = &ulite_ops;
port->irq = res2->start;
port->flags = UPF_BOOT_AUTOCONF;
uart_remove_one_port(&ulite_uart_driver, port);
/* mark port as free */
- port->membase = 0;
+ port->membase = NULL;
return 0;
}