6.16-stable review patch. If anyone has any objections, please let me know.
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From: Peng Fan peng.fan@nxp.com
[ Upstream commit 3fb91b5c86d0fb5ff6f65c30a4f20193166e22fe ]
To ensure successful builds when CONFIG_IMX_SCMI_LMM_DRV is not enabled, this patch adds static inline stub implementations for the following functions:
- scmi_imx_lmm_operation() - scmi_imx_lmm_info() - scmi_imx_lmm_reset_vector_set()
These stubs return -EOPNOTSUPP to indicate that the functionality is not supported in the current configuration. This avoids potential build or link errors in code that conditionally calls these functions based on feature availability.
Fixes: 7242bbf418f0 ("firmware: imx: Add i.MX95 SCMI LMM driver") Reviewed-by: Cristian Marussi cristian.marussi@arm.com Signed-off-by: Peng Fan peng.fan@nxp.com Signed-off-by: Shawn Guo shawnguo@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- include/linux/firmware/imx/sm.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/include/linux/firmware/imx/sm.h b/include/linux/firmware/imx/sm.h index 67fb1d624d285..6e700e455934e 100644 --- a/include/linux/firmware/imx/sm.h +++ b/include/linux/firmware/imx/sm.h @@ -48,7 +48,24 @@ enum scmi_imx_lmm_op { #define SCMI_IMX_LMM_OP_FORCEFUL 0 #define SCMI_IMX_LMM_OP_GRACEFUL BIT(0)
+#if IS_ENABLED(CONFIG_IMX_SCMI_LMM_DRV) int scmi_imx_lmm_operation(u32 lmid, enum scmi_imx_lmm_op op, u32 flags); int scmi_imx_lmm_info(u32 lmid, struct scmi_imx_lmm_info *info); int scmi_imx_lmm_reset_vector_set(u32 lmid, u32 cpuid, u32 flags, u64 vector); +#else +static inline int scmi_imx_lmm_operation(u32 lmid, enum scmi_imx_lmm_op op, u32 flags) +{ + return -EOPNOTSUPP; +} + +static inline int scmi_imx_lmm_info(u32 lmid, struct scmi_imx_lmm_info *info) +{ + return -EOPNOTSUPP; +} + +static inline int scmi_imx_lmm_reset_vector_set(u32 lmid, u32 cpuid, u32 flags, u64 vector) +{ + return -EOPNOTSUPP; +} +#endif #endif