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acpigen: Make gpio set/get arguments const

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The 'struct acpi_gpio' arguments passed to acpigen functions are
not modified so they can be made const, which allows drivers to
also use a const pointer.

Signed-off-by: Duncan Laurie <dlaurie@google.com>
Change-Id: I59e9c19e7bfdca275230776497767ddc7f6c52db
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46257
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Duncan Laurie
2020-10-09 04:48:53 +00:00
committed by Duncan Laurie
parent 36858208e6
commit 30c3f91d33
2 changed files with 8 additions and 8 deletions
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8
src/include/acpi/acpigen.h
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@@ -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,