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authorDuncan Laurie <dlaurie@google.com>2020-10-09 04:48:53 +0000
committerDuncan Laurie <dlaurie@chromium.org>2020-10-21 22:24:19 +0000
commit30c3f91d33a8308db80a730c6df27553d8fdb072 (patch)
treed74f0519bf2046c9d2546c442536f284818e4a10 /src/include/acpi/acpigen.h
parent36858208e6e06fdda2698e9a66a8e27f6d9acd24 (diff)
acpigen: Make gpio set/get arguments const
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>
Diffstat (limited to 'src/include/acpi/acpigen.h')
-rw-r--r--src/include/acpi/acpigen.h8
1 files changed, 4 insertions, 4 deletions
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,