soc: qcom: mdt_loader: define stubs for COMPILE_TEST

Define stub functions for the exposed MDT functions in case
QCOM_MDT_LOADER is not configured.  This allows users of these
functions to link correctly for COMPILE_TEST builds without
QCOM_SCM enabled.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/include/linux/soc/qcom/mdt_loader.h b/include/linux/soc/qcom/mdt_loader.h
index e600bae..afd4721 100644 (file)
--- a/include/linux/soc/qcom/mdt_loader.h
+++ b/include/linux/soc/qcom/mdt_loader.h
@@ -11,6 +11,8 @@
 struct device;
 struct firmware;
 
+#if IS_ENABLED(CONFIG_QCOM_MDT_LOADER)
+
 ssize_t qcom_mdt_get_size(const struct firmware *fw);
 int qcom_mdt_load(struct device *dev, const struct firmware *fw,
                  const char *fw_name, int pas_id, void *mem_region,
@@ -23,4 +25,37 @@ int qcom_mdt_load_no_init(struct device *dev, const struct firmware *fw,
                          phys_addr_t *reloc_base);
 void *qcom_mdt_read_metadata(const struct firmware *fw, size_t *data_len);
 
+#else /* !IS_ENABLED(CONFIG_QCOM_MDT_LOADER) */
+
+static inline ssize_t qcom_mdt_get_size(const struct firmware *fw)
+{
+       return -ENODEV;
+}
+
+static inline int qcom_mdt_load(struct device *dev, const struct firmware *fw,
+                               const char *fw_name, int pas_id,
+                               void *mem_region, phys_addr_t mem_phys,
+                               size_t mem_size, phys_addr_t *reloc_base)
+{
+       return -ENODEV;
+}
+
+static inline int qcom_mdt_load_no_init(struct device *dev,
+                                       const struct firmware *fw,
+                                       const char *fw_name, int pas_id,
+                                       void *mem_region, phys_addr_t mem_phys,
+                                       size_t mem_size,
+                                       phys_addr_t *reloc_base)
+{
+       return -ENODEV;
+}
+
+static inline void *qcom_mdt_read_metadata(const struct firmware *fw,
+                                          size_t *data_len)
+{
+       return ERR_PTR(-ENODEV);
+}
+
+#endif /* !IS_ENABLED(CONFIG_QCOM_MDT_LOADER) */
+
 #endif