[PATCH 4/4] USB: serial: ftdi_sio: Drop GPIO line checking dead code

[Marc Zyngier]

Now that the code code can track the validity of GPIO pins,
there is no need to check whether the line is valid.

Signed-off-by: Marc Zyngier <m...@kernel.org>
---
 drivers/usb/serial/ftdi_sio.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index b9d3b33891fc..2c8a0b9aac92 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1841,9 +1841,6 @@ static int ftdi_gpio_request(struct gpio_chip *gc, 
unsigned int offset)
        struct ftdi_private *priv = usb_get_serial_port_data(port);
        int result;
 
-       if (priv->gpio_altfunc & BIT(offset))
-               return -ENODEV;
-
        mutex_lock(&priv->gpio_lock);
        if (!priv->gpio_used) {
                /* Set default pin states, as we cannot get them from device */
-- 
2.28.0