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path: root/drivers/tty/serial/8250/8250_core.c
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Diffstat (limited to 'drivers/tty/serial/8250/8250_core.c')
-rw-r--r--drivers/tty/serial/8250/8250_core.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 423a779..dcfe550 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -2797,6 +2797,7 @@ static void serial8250_release_std_resource(struct uart_8250_port *up)
}
}
+#ifdef CONFIG_SERIAL_8250_RSA
static int serial8250_request_rsa_resource(struct uart_8250_port *up)
{
unsigned long start = UART_RSA_BASE << up->port.regshift;
@@ -2831,14 +2832,17 @@ static void serial8250_release_rsa_resource(struct uart_8250_port *up)
break;
}
}
+#endif
static void serial8250_release_port(struct uart_port *port)
{
struct uart_8250_port *up = up_to_u8250p(port);
serial8250_release_std_resource(up);
+#ifdef CONFIG_SERIAL_8250_RSA
if (port->type == PORT_RSA)
serial8250_release_rsa_resource(up);
+#endif
}
static int serial8250_request_port(struct uart_port *port)
@@ -2850,11 +2854,13 @@ static int serial8250_request_port(struct uart_port *port)
return -ENODEV;
ret = serial8250_request_std_resource(up);
+#ifdef CONFIG_SERIAL_8250_RSA
if (ret == 0 && port->type == PORT_RSA) {
ret = serial8250_request_rsa_resource(up);
if (ret < 0)
serial8250_release_std_resource(up);
}
+#endif
return ret;
}
@@ -3016,9 +3022,11 @@ static void serial8250_config_port(struct uart_port *port, int flags)
if (ret < 0)
return;
+#ifdef CONFIG_SERIAL_8250_RSA
ret = serial8250_request_rsa_resource(up);
if (ret < 0)
probeflags &= ~PROBE_RSA;
+#endif
if (port->iotype != up->cur_iotype)
set_io_from_upio(port);
@@ -3037,8 +3045,10 @@ static void serial8250_config_port(struct uart_port *port, int flags)
if (port->type != PORT_UNKNOWN && flags & UART_CONFIG_IRQ)
autoconfig_irq(up);
+#ifdef CONFIG_SERIAL_8250_RSA
if (port->type != PORT_RSA && probeflags & PROBE_RSA)
serial8250_release_rsa_resource(up);
+#endif
if (port->type == PORT_UNKNOWN)
serial8250_release_std_resource(up);
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