[PATCH v3 06/15] platform: generic: Introduce pmu_init() platform override

Yu Chien Peter Lin peterlin at andestech.com
Tue Nov 21 23:36:08 PST 2023


Add pmu_init() platform override which will be used to register
PMU device and populate event mappings.

Signed-off-by: Yu Chien Peter Lin <peterlin at andestech.com>
---
Changes v2 -> v3:
  - New patch
---
 platform/generic/include/platform_override.h | 1 +
 platform/generic/platform.c                  | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/platform/generic/include/platform_override.h b/platform/generic/include/platform_override.h
index bf4b112..f2a4327 100644
--- a/platform/generic/include/platform_override.h
+++ b/platform/generic/include/platform_override.h
@@ -27,6 +27,7 @@ struct platform_override {
 	int (*fdt_fixup)(void *fdt, const struct fdt_match *match);
 	int (*extensions_init)(const struct fdt_match *match,
 			       struct sbi_hart_features *hfeatures);
+	int (*pmu_init)(const struct fdt_match *match);
 	void (*fw_init)(void *fdt, const struct fdt_match *match);
 	int (*vendor_ext_provider)(long funcid,
 				   const struct sbi_trap_regs *regs,
diff --git a/platform/generic/platform.c b/platform/generic/platform.c
index fa400b9..54a913b 100644
--- a/platform/generic/platform.c
+++ b/platform/generic/platform.c
@@ -267,6 +267,9 @@ static int generic_pmu_init(void)
 {
 	int rc;
 
+	if (generic_plat && generic_plat->pmu_init)
+		return generic_plat->pmu_init(generic_plat_match);
+
 	rc = fdt_pmu_setup(fdt_get_address());
 	if (rc && rc != SBI_ENOENT)
 		return rc;
-- 
2.34.1




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