From bd885c5bac425c589582a610bd2dc92dd3809e06 Mon Sep 17 00:00:00 2001 From: Aaron Durbin Date: Fri, 20 Oct 2017 10:31:15 -0600 Subject: lib/gpio: constify array inputs The arrays of gpio_t are not manipulated in any way within the gpio library. Add const to indicate that. Change-Id: Ie32ab9de967ece22317e2b97b62e85b0757b910d Signed-off-by: Aaron Durbin Reviewed-on: https://review.coreboot.org/22121 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh Reviewed-by: Paul Menzel --- src/include/gpio.h | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'src/include') diff --git a/src/include/gpio.h b/src/include/gpio.h index 3a8951ca73..3160242562 100644 --- a/src/include/gpio.h +++ b/src/include/gpio.h @@ -29,7 +29,7 @@ void gpio_input_pulldown(gpio_t gpio); void gpio_input_pullup(gpio_t gpio); void gpio_input(gpio_t gpio); void gpio_output(gpio_t gpio, int value); -int _gpio_base3_value(gpio_t gpio[], int num_gpio, int binary_first); +int _gpio_base3_value(const gpio_t gpio[], int num_gpio, int binary_first); /* * This function may be implemented by SoC/board code to provide @@ -60,9 +60,9 @@ uint16_t gpio_acpi_pin(gpio_t gpio); * There are also pulldown and pullup variants which default each gpio to * be configured with an internal pulldown and pullup, respectively. */ -int gpio_base2_value(gpio_t gpio[], int num_gpio); -int gpio_pulldown_base2_value(gpio_t gpio[], int num_gpio); -int gpio_pullup_base2_value(gpio_t gpio[], int num_gpio); +int gpio_base2_value(const gpio_t gpio[], int num_gpio); +int gpio_pulldown_base2_value(const gpio_t gpio[], int num_gpio); +int gpio_pullup_base2_value(const gpio_t gpio[], int num_gpio); /* * Read the value presented by the set of GPIOs, when each pin is interpreted @@ -73,7 +73,7 @@ int gpio_pullup_base2_value(gpio_t gpio[], int num_gpio); * gpio[]: pin positions to read. gpio[0] is less significant than gpio[1]. * num_gpio: number of pins to read. */ -static inline int gpio_base3_value(gpio_t gpio[], int num_gpio) +static inline int gpio_base3_value(const gpio_t gpio[], int num_gpio) { return _gpio_base3_value(gpio, num_gpio, 0); } @@ -103,7 +103,8 @@ static inline int gpio_base3_value(gpio_t gpio[], int num_gpio) * gpio[]: pin positions to read. gpio[0] is less significant than gpio[1]. * num_gpio: number of pins to read. */ -static inline int gpio_binary_first_base3_value(gpio_t gpio[], int num_gpio) +static inline int gpio_binary_first_base3_value(const gpio_t gpio[], + int num_gpio) { return _gpio_base3_value(gpio, num_gpio, 1); } -- cgit v1.2.3