diff options
| -rw-r--r-- | drivers/tty/serial/8250/8250_platform.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/tty/serial/8250/8250_platform.c b/drivers/tty/serial/8250/8250_platform.c index ded985182e04..5817c1d72314 100644 --- a/drivers/tty/serial/8250/8250_platform.c +++ b/drivers/tty/serial/8250/8250_platform.c @@ -9,6 +9,7 @@ #include <linux/array_size.h> #include <linux/module.h> #include <linux/moduleparam.h> +#include <linux/once.h> #include <linux/platform_device.h> #include <linux/serial_8250.h> @@ -53,15 +54,10 @@ void serial8250_set_isa_configurator(serial8250_isa_config_fn v) } EXPORT_SYMBOL(serial8250_set_isa_configurator); -void __init serial8250_isa_init_ports(void) +static void __init __serial8250_isa_init_ports(void) { - static int first = 1; int i, irqflag = 0; - if (!first) - return; - first = 0; - if (nr_uarts > UART_NR) nr_uarts = UART_NR; @@ -102,6 +98,11 @@ void __init serial8250_isa_init_ports(void) } } +void __init serial8250_isa_init_ports(void) +{ + DO_ONCE(__serial8250_isa_init_ports); +} + /* * Register a set of serial devices attached to a platform device. The * list is terminated with a zero flags entry, which means we expect |