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authorAngel Pons <th3fanbus@gmail.com>2021-10-17 12:59:43 +0200
committerFelix Held <felix-coreboot@felixheld.de>2021-10-19 14:57:39 +0000
commitd2794cea1291f7f6e35b426b8b66cbb08da6d532 (patch)
tree3a020a2e5e864ee5ee4906215e220c8e10969924
parent14643b33b0f7ea9cde6ce8230793562d4a1b475c (diff)
acpi/acpigen: Constify CST functions' pointers
The `acpigen_write_CST_package` and `acpigen_write_CST_package_entry` functions don't modify the provided C-state information. So, make the pointer parameters read-only to enforce this. Also constify arguments where possible. Change-Id: I9e18d82ee6c16e4435b8fad6d467e58c33194cf4 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/58391 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Raul Rangel <rrangel@chromium.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
-rw-r--r--src/acpi/acpigen.c4
-rw-r--r--src/include/acpi/acpigen.h4
-rw-r--r--src/soc/amd/cezanne/acpi.c2
-rw-r--r--src/soc/amd/picasso/acpi.c2
-rw-r--r--src/soc/intel/baytrail/acpi.c2
-rw-r--r--src/soc/intel/braswell/acpi.c2
6 files changed, 8 insertions, 8 deletions
diff --git a/src/acpi/acpigen.c b/src/acpi/acpigen.c
index c8f14378c9..e0892e654f 100644
--- a/src/acpi/acpigen.c
+++ b/src/acpi/acpigen.c
@@ -994,7 +994,7 @@ void acpigen_write_PSD_package(u32 domain, u32 numprocs, PSD_coord coordtype)
acpigen_pop_len();
}
-void acpigen_write_CST_package_entry(acpi_cstate_t *cstate)
+void acpigen_write_CST_package_entry(const acpi_cstate_t *cstate)
{
acpigen_write_package(4);
acpigen_write_register_resource(&cstate->resource);
@@ -1004,7 +1004,7 @@ void acpigen_write_CST_package_entry(acpi_cstate_t *cstate)
acpigen_pop_len();
}
-void acpigen_write_CST_package(acpi_cstate_t *cstate, int nentries)
+void acpigen_write_CST_package(const acpi_cstate_t *cstate, int nentries)
{
int i;
acpigen_write_name("_CST");
diff --git a/src/include/acpi/acpigen.h b/src/include/acpi/acpigen.h
index c019130e28..cf14c7f39d 100644
--- a/src/include/acpi/acpigen.h
+++ b/src/include/acpi/acpigen.h
@@ -357,8 +357,8 @@ void acpigen_write_PSS_package(u32 coreFreq, u32 power, u32 transLat,
void acpigen_write_pss_object(const struct acpi_sw_pstate *pstate_values, size_t nentries);
typedef enum { SW_ALL = 0xfc, SW_ANY = 0xfd, HW_ALL = 0xfe } PSD_coord;
void acpigen_write_PSD_package(u32 domain, u32 numprocs, PSD_coord coordtype);
-void acpigen_write_CST_package_entry(acpi_cstate_t *cstate);
-void acpigen_write_CST_package(acpi_cstate_t *entry, int nentries);
+void acpigen_write_CST_package_entry(const acpi_cstate_t *cstate);
+void acpigen_write_CST_package(const acpi_cstate_t *entry, int nentries);
typedef enum { CSD_HW_ALL = 0xfe } CSD_coord;
void acpigen_write_CSD_package(u32 domain, u32 numprocs, CSD_coord coordtype,
u32 index);
diff --git a/src/soc/amd/cezanne/acpi.c b/src/soc/amd/cezanne/acpi.c
index 3b3a88befe..d390ca4f22 100644
--- a/src/soc/amd/cezanne/acpi.c
+++ b/src/soc/amd/cezanne/acpi.c
@@ -279,7 +279,7 @@ void generate_cpu_entries(const struct device *device)
.addrl = PS_STS_REG,
};
- acpi_cstate_t cstate_info[] = {
+ const acpi_cstate_t cstate_info[] = {
[0] = {
.ctype = 1,
.latency = 1,
diff --git a/src/soc/amd/picasso/acpi.c b/src/soc/amd/picasso/acpi.c
index 99c1648f8a..c0808d9f2e 100644
--- a/src/soc/amd/picasso/acpi.c
+++ b/src/soc/amd/picasso/acpi.c
@@ -289,7 +289,7 @@ void generate_cpu_entries(const struct device *device)
.addrl = PS_STS_REG,
};
- acpi_cstate_t cstate_info[] = {
+ const acpi_cstate_t cstate_info[] = {
[0] = {
.ctype = 1,
.latency = 1,
diff --git a/src/soc/intel/baytrail/acpi.c b/src/soc/intel/baytrail/acpi.c
index e6c5abfcd3..0f9768793e 100644
--- a/src/soc/intel/baytrail/acpi.c
+++ b/src/soc/intel/baytrail/acpi.c
@@ -28,7 +28,7 @@
}
/* C-state map without S0ix */
-static acpi_cstate_t cstate_map[] = {
+static const acpi_cstate_t cstate_map[] = {
{
/* C1 */
.ctype = 1, /* ACPI C1 */
diff --git a/src/soc/intel/braswell/acpi.c b/src/soc/intel/braswell/acpi.c
index d37799c92c..85e70276e4 100644
--- a/src/soc/intel/braswell/acpi.c
+++ b/src/soc/intel/braswell/acpi.c
@@ -36,7 +36,7 @@
}
/* C-state map without S0ix */
-static acpi_cstate_t cstate_map[] = {
+static const acpi_cstate_t cstate_map[] = {
{
/* C1 */
.ctype = 1, /* ACPI C1 */