diff options
| author |   Linus Walleij <linus.walleij@linaro.org> | 2018-09-04 13:31:45 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2018-12-14 14:24:33 +0100 |
| commit | 21abf103818a4735e80fb0ab03934bed8ae9a028 (patch) | |
| tree | 39dcd84b5aff1baa384586280ead998356f6aa48 /drivers/gpio/gpiolib-acpi.c | |
| parent | gpio: lpc18xx: fix GPIO controller driver build as a module (diff) | |
| download | linux-dev-21abf103818a4735e80fb0ab03934bed8ae9a028.tar.xz linux-dev-21abf103818a4735e80fb0ab03934bed8ae9a028.zip | |
gpio: Pass a flag to gpiochip_request_own_desc()
Before things go out of hand, make it possible to pass
flags when requesting "own" descriptors from a gpio_chip.
This is necessary if the chip wants to request a GPIO with
active low semantics, for example.
Cc: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Roger Quadros <rogerq@ti.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpiolib-acpi.c')
| -rw-r--r-- | drivers/gpio/gpiolib-acpi.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 55b72fbe1631..722a9befa8a9 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -167,7 +167,7 @@ static acpi_status acpi_gpiochip_request_interrupt(struct acpi_resource *ares, if (!handler) return AE_OK; - desc = gpiochip_request_own_desc(chip, pin, "ACPI:Event"); + desc = gpiochip_request_own_desc(chip, pin, "ACPI:Event", 0); if (IS_ERR(desc)) { dev_err(chip->parent, "Failed to request GPIO\n"); return AE_ERROR; @@ -884,21 +884,14 @@ acpi_gpio_adr_space_handler(u32 function, acpi_physical_address address, const char *label = "ACPI:OpRegion"; int err; - desc = gpiochip_request_own_desc(chip, pin, label); + desc = gpiochip_request_own_desc(chip, pin, label, + flags); if (IS_ERR(desc)) { status = AE_ERROR; mutex_unlock(&achip->conn_lock); goto out; } - err = gpiod_configure_flags(desc, label, 0, flags); - if (err < 0) { - status = AE_NOT_CONFIGURED; - gpiochip_free_own_desc(desc); - mutex_unlock(&achip->conn_lock); - goto out; - } - conn = kzalloc(sizeof(*conn), GFP_KERNEL); if (!conn) { status = AE_NO_MEMORY; |