From: Luca Coelho <luciano.coelho@xxxxxxxxx> In kernels older than v5.4, the gpiochip_request_own_desc() and the gpiochip_free_own_desc() functions are declared inside a CONFIG_GPIOLIB ifdef, so we need to declare them in our implementation to avoid compilation problems. Change-Id: Ic6da0d7ff9d99c64d110da63fb950fb555fd2782 Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx> --- backport/compat/backport-5.3.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/backport/compat/backport-5.3.c b/backport/compat/backport-5.3.c index f501448e24cd..46e6a11d8da3 100644 --- a/backport/compat/backport-5.3.c +++ b/backport/compat/backport-5.3.c @@ -45,6 +45,17 @@ static int gpiod_configure_flags(struct gpio_desc *desc, const char *con_id, } #undef gpiochip_request_own_desc + +/* In kernels older than 5.4, these function declarations are inside a + * CONFIG_GPIOLIB ifdef, so we need to declare them here. + */ +#ifndef CONFIG_GPIOLIB +extern struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *chip, + u16 hwnum, + const char *label); +void gpiochip_free_own_desc(struct gpio_desc *desc); +#endif /* CONFIG_GPIOLIB */ + struct gpio_desc *backport_gpiochip_request_own_desc(struct gpio_chip *gc, unsigned int hwnum, const char *label, -- 2.29.2 -- To unsubscribe from this list: send the line "unsubscribe backports" in
