serial: bfin_5xx: remove useless gpio handling with hard flow control

For UARTs that have dedicated hardware flow control support, there will be
no gpios to request/free as they are part of the normal peripheral pins.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 15 deletions

diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 50abb7e557f4..15843cceb9fc 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -746,15 +746,6 @@ static int bfin_serial_startup(struct uart_port *port)
                         Status interrupt.\n");
         }
 
-        if (uart->cts_pin >= 0) {
-                gpio_request(uart->cts_pin, DRIVER_NAME);
-                gpio_direction_output(uart->cts_pin, 1);
-        }
-        if (uart->rts_pin >= 0) {
-                gpio_request(uart->rts_pin, DRIVER_NAME);
-                gpio_direction_output(uart->rts_pin, 0);
-        }
-
         /* CTS RTS PINs are negative assertive. */
         UART_PUT_MCR(uart, ACTS);
         UART_SET_IER(uart, EDSSI);
@@ -801,10 +792,6 @@ static void bfin_serial_shutdown(struct uart_port *port)
                 gpio_free(uart->rts_pin);
 #endif
 #ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS
-        if (uart->cts_pin >= 0)
-                gpio_free(uart->cts_pin);
-        if (uart->rts_pin >= 0)
-                gpio_free(uart->rts_pin);
         if (UART_GET_IER(uart) && EDSSI)
                 free_irq(uart->status_irq, uart);
 #endif
@@ -1409,8 +1396,7 @@ static int bfin_serial_remove(struct platform_device *dev)
                         continue;
                 uart_remove_one_port(&bfin_serial_reg, &bfin_serial_ports[i].port);
                 bfin_serial_ports[i].port.dev = NULL;
-#if defined(CONFIG_SERIAL_BFIN_CTSRTS) || \
-        defined(CONFIG_SERIAL_BFIN_HARD_CTSRTS)
+#if defined(CONFIG_SERIAL_BFIN_CTSRTS)
                 gpio_free(bfin_serial_ports[i].cts_pin);
                 gpio_free(bfin_serial_ports[i].rts_pin);
 #endif