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USB: serial: ftdi_sio: drop GPIO line checking dead code

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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 <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Andy Shevchenko <[email protected]>
[johan: amend commit message]
Signed-off-by: Johan Hovold <[email protected]>
This commit is contained in:
Marc Zyngier
2020-12-09 18:06:45 +01:00
committed by Johan Hovold
parent 11fb08cffb
commit 5d47c887cc
1 changed files with 0 additions and 3 deletions
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drivers/usb/serial/ftdi_sio.c
-3
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@@ -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 */