X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fasm-generic%2Fgpio.h;h=d6c379dc64fac63797364c7e385dc91778df5ac4;hb=be15f9d63b97da0065187696962331de6cd9de9e;hp=81797ec9ab2917413ba28d166adb267726c8f177;hpb=4cb40f795af36b3deb743f6ccf6c3fd542c61c8d;p=firefly-linux-kernel-4.4.55.git

diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 81797ec9ab29..d6c379dc64fa 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -55,6 +55,10 @@ struct module;
  *	handled is (base + ngpio - 1).
  * @can_sleep: flag must be set iff get()/set() methods sleep, as they
  *	must while accessing GPIO expander chips over I2C or SPI
+ * @names: if set, must be an array of strings to use as alternative
+ *      names for the GPIOs in this chip. Any entry in the array
+ *      may be NULL if there is no alias for the GPIO, however the
+ *      array must be @ngpio entries long.
  *
  * A gpio_chip can help platforms abstract various sources of GPIOs so
  * they can all be accessed through a common programing interface.
@@ -92,6 +96,7 @@ struct gpio_chip {
 						struct gpio_chip *chip);
 	int			base;
 	u16			ngpio;
+	char			**names;
 	unsigned		can_sleep:1;
 	unsigned		exported:1;
 };