[PATCH 1/2] firmware: smccc: Stub out get_conduit()

Robin Murphy robin.murphy at arm.com
Tue May 20 10:10:16 PDT 2025


Various callers use arm_smccc_1_1_get_conduit() to guard their
arm_smccc_smc() calls - since the latter is already stubbed out to
support optional usage in !HAVE_ARM_SMCCC configs, do the equivalent
for the former as well to make life easier.

Signed-off-by: Robin Murphy <robin.murphy at arm.com>
---
 include/linux/arm-smccc.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index a3863da1510e..97dc4d47c664 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -315,7 +315,14 @@ enum arm_smccc_conduit {
  *
  * When SMCCCv1.1 is not present, returns SMCCC_CONDUIT_NONE.
  */
+#ifdef CONFIG_HAVE_ARM_SMCCC_DISCOVERY
 enum arm_smccc_conduit arm_smccc_1_1_get_conduit(void);
+#else
+static inline enum arm_smccc_conduit arm_smccc_1_1_get_conduit(void)
+{
+	return SMCCC_CONDUIT_NONE;
+}
+#endif
 
 /**
  * arm_smccc_get_version()
-- 
2.39.2.101.g768bb238c484.dirty




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