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-rw-r--r--src/acpi/acpigen.c8
-rw-r--r--src/include/acpi/acpigen.h8
2 files changed, 8 insertions, 8 deletions
diff --git a/src/acpi/acpigen.c b/src/acpi/acpigen.c
index 0ed3708016..e2fe2cfaa4 100644
--- a/src/acpi/acpigen.c
+++ b/src/acpi/acpigen.c
@@ -1865,7 +1865,7 @@ int __weak acpigen_soc_clear_tx_gpio(unsigned int gpio_num)
*
* Returns 0 on success and -1 on error.
*/
-int acpigen_enable_tx_gpio(struct acpi_gpio *gpio)
+int acpigen_enable_tx_gpio(const struct acpi_gpio *gpio)
{
if (gpio->active_low)
return acpigen_soc_clear_tx_gpio(gpio->pins[0]);
@@ -1873,7 +1873,7 @@ int acpigen_enable_tx_gpio(struct acpi_gpio *gpio)
return acpigen_soc_set_tx_gpio(gpio->pins[0]);
}
-int acpigen_disable_tx_gpio(struct acpi_gpio *gpio)
+int acpigen_disable_tx_gpio(const struct acpi_gpio *gpio)
{
if (gpio->active_low)
return acpigen_soc_set_tx_gpio(gpio->pins[0]);
@@ -1881,7 +1881,7 @@ int acpigen_disable_tx_gpio(struct acpi_gpio *gpio)
return acpigen_soc_clear_tx_gpio(gpio->pins[0]);
}
-void acpigen_get_rx_gpio(struct acpi_gpio *gpio)
+void acpigen_get_rx_gpio(const struct acpi_gpio *gpio)
{
acpigen_soc_read_rx_gpio(gpio->pins[0]);
@@ -1889,7 +1889,7 @@ void acpigen_get_rx_gpio(struct acpi_gpio *gpio)
acpigen_write_xor(LOCAL0_OP, 1, LOCAL0_OP);
}
-void acpigen_get_tx_gpio(struct acpi_gpio *gpio)
+void acpigen_get_tx_gpio(const struct acpi_gpio *gpio)
{
acpigen_soc_get_tx_gpio(gpio->pins[0]);
diff --git a/src/include/acpi/acpigen.h b/src/include/acpi/acpigen.h
index cb9e9c97ab..e0d95cdbfe 100644
--- a/src/include/acpi/acpigen.h
+++ b/src/include/acpi/acpigen.h
@@ -499,8 +499,8 @@ int acpigen_soc_clear_tx_gpio(unsigned int gpio_num);
*
* Returns 0 on success and -1 on error.
*/
-int acpigen_enable_tx_gpio(struct acpi_gpio *gpio);
-int acpigen_disable_tx_gpio(struct acpi_gpio *gpio);
+int acpigen_enable_tx_gpio(const struct acpi_gpio *gpio);
+int acpigen_disable_tx_gpio(const struct acpi_gpio *gpio);
/*
* Helper function for getting a RX GPIO value based on the GPIO polarity.
@@ -508,7 +508,7 @@ int acpigen_disable_tx_gpio(struct acpi_gpio *gpio);
* This function ends up calling acpigen_soc_get_rx_gpio to make callbacks
* into SoC acpigen code
*/
-void acpigen_get_rx_gpio(struct acpi_gpio *gpio);
+void acpigen_get_rx_gpio(const struct acpi_gpio *gpio);
/*
* Helper function for getting a TX GPIO value based on the GPIO polarity.
@@ -516,7 +516,7 @@ void acpigen_get_rx_gpio(struct acpi_gpio *gpio);
* This function ends up calling acpigen_soc_get_tx_gpio to make callbacks
* into SoC acpigen code
*/
-void acpigen_get_tx_gpio(struct acpi_gpio *gpio);
+void acpigen_get_tx_gpio(const struct acpi_gpio *gpio);
/* refer to ACPI 6.4.3.5.3 Word Address Space Descriptor section for details */
void acpigen_resource_word(u16 res_type, u16 gen_flags, u16 type_flags, u16 gran,