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| author | Luca Coelho <luciano.coelho@intel.com> | 2020-12-16 16:26:34 +0200 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2021-02-14 18:29:22 +0100 |
| commit | f0b58be61cf0f21d346213963ad3405ab57c53e3 (patch) | |
| tree | 10f35aa04273d7dfbec9c39b24877b52d2564337 | |
| parent | 3a9d70a32ea5bbc2c13370cc5cf253fce4c51d20 (diff) | |
| download | backports-f0b58be61cf0f21d346213963ad3405ab57c53e3.tar.gz | |
backport: declare GPIO own_desc functions if GPIOLIB is not defined
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@intel.com>
| -rw-r--r-- | backport/compat/backport-5.3.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/backport/compat/backport-5.3.c b/backport/compat/backport-5.3.c index f501448e..46e6a11d 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, |