From 5d47c887cceed5261e82e2cc7e996b877d5381f8 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Fri, 4 Dec 2020 16:47:39 +0000 Subject: USB: serial: ftdi_sio: drop GPIO line checking dead code Now that gpiolib can track the validity of GPIO pins, there is no need to check whether the line is valid in request(). Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20201204164739.781812-5-maz@kernel.org Reviewed-by: Andy Shevchenko [johan: amend commit message] Signed-off-by: Johan Hovold --- drivers/usb/serial/ftdi_sio.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers/usb') diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 13e575f16bcd..a41ce9e60b96 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 */ -- cgit v1.2.3