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-rw-r--r--Documentation/acpi/gpio-properties.txt12
-rw-r--r--drivers/gpio/gpiolib-acpi.c3
2 files changed, 15 insertions, 0 deletions
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);