From 4035cc15b99f4f4a4e29081b82aca010137e33da Mon Sep 17 00:00:00 2001 From: Mika Westerberg Date: Fri, 21 Oct 2016 17:21:32 +0300 Subject: [PATCH] ACPI / gpio: Add support for naming GPIOs Now that we have the new helper function that sets nice names for GPIO lines based on "gpio-line-names" device property, we can take advantage of this in acpi_gpiochip_add(). Signed-off-by: Mika Westerberg Signed-off-by: Linus Walleij --- Documentation/acpi/gpio-properties.txt | 12 ++++++++++++ drivers/gpio/gpiolib-acpi.c | 3 +++ 2 files changed, 15 insertions(+) diff --git a/Documentation/acpi/gpio-properties.txt b/Documentation/acpi/gpio-properties.txt index d9076af271f5..2aff0349facd 100644 --- a/Documentation/acpi/gpio-properties.txt +++ b/Documentation/acpi/gpio-properties.txt @@ -98,6 +98,18 @@ Example: } }) +- gpio-line-names + +Example: + + Package () { + "gpio-line-names", + Package () { + "SPI0_CS_N", "EXP2_INT", "MUX6_IO", "UART0_RXD", "MUX7_IO", + "LVL_C_A1", "MUX0_IO", "SPI1_MISO" + } + } + See Documentation/devicetree/bindings/gpio/gpio.txt for more information about these properties. diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 4f46982ce982..53266ef12008 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -957,6 +957,9 @@ void acpi_gpiochip_add(struct gpio_chip *chip) return; } + if (!chip->names) + devprop_gpiochip_set_names(chip); + acpi_gpiochip_request_regions(acpi_gpio); acpi_gpiochip_scan_gpios(acpi_gpio); acpi_walk_dep_device_list(handle); -- 2.39.5