[PATCH 3/3] firmware: qcom: scm: Add empty functions to help compile testing

[Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>]

This will help to compile testing drivers which depends on scm
functions with COMPILE_TEST Kconfig option.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>
---
 include/linux/qcom_scm.h | 53 +++++++++++++++++++++++++++++++++---------------
 1 file changed, 37 insertions(+), 16 deletions(-)

diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h
index 2ece81a6b078..71b79ffa1a3b 100644
--- a/include/linux/qcom_scm.h
+++ b/include/linux/qcom_scm.h
@@ -13,9 +13,9 @@
 #ifndef __QCOM_SCM_H
 #define __QCOM_SCM_H
 
-extern int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
-extern int qcom_scm_set_warm_boot_addr(void *entry, const cpumask_t *cpus);
-
+#define QCOM_SCM_VERSION(major, minor)	(((major) << 16) | ((minor) & 0xFF))
+#define QCOM_SCM_CPU_PWR_DOWN_L2_ON	0x0
+#define QCOM_SCM_CPU_PWR_DOWN_L2_OFF	0x1
 #define QCOM_SCM_HDCP_MAX_REQ_CNT	5
 
 struct qcom_scm_hdcp_req {
@@ -23,29 +23,50 @@ struct qcom_scm_hdcp_req {
 	u32 val;
 };
 
+#if IS_ENABLED(CONFIG_QCOM_SCM)
+extern int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
+extern int qcom_scm_set_warm_boot_addr(void *entry, const cpumask_t *cpus);
 extern bool qcom_scm_is_available(void);
-
 extern bool qcom_scm_hdcp_available(void);
 extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
-		u32 *resp);
-
+			     u32 *resp);
 extern bool qcom_scm_pas_supported(u32 peripheral);
 extern int qcom_scm_pas_init_image(u32 peripheral, const void *metadata,
-		size_t size);
+				   size_t size);
 extern int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr,
-		phys_addr_t size);
+				  phys_addr_t size);
 extern int qcom_scm_pas_auth_and_reset(u32 peripheral);
 extern int qcom_scm_pas_shutdown(u32 peripheral);
-
-#define QCOM_SCM_CPU_PWR_DOWN_L2_ON	0x0
-#define QCOM_SCM_CPU_PWR_DOWN_L2_OFF	0x1
-
 extern void qcom_scm_cpu_power_down(u32 flags);
-
-#define QCOM_SCM_VERSION(major, minor) (((major) << 16) | ((minor) & 0xFF))
-
 extern u32 qcom_scm_get_version(void);
-
 extern int qcom_scm_video_set_state(u32 state, u32 spare);
+#else
+static inline
+int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus)
+{
+	return -ENODEV;
+}
+static inline
+int qcom_scm_set_warm_boot_addr(void *entry, const cpumask_t *cpus)
+{
+	return -ENODEV;
+}
+static inline bool qcom_scm_is_available(void) { return false; }
+static inline bool qcom_scm_hdcp_available(void) { return false; }
+static inline int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
+				    u32 *resp) { return -ENODEV; }
+static inline bool qcom_scm_pas_supported(u32 peripheral) { return false; }
+static inline int qcom_scm_pas_init_image(u32 peripheral, const void *metadata,
+					  size_t size) { return -ENODEV; }
+static inline int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr,
+					 phys_addr_t size) { return -ENODEV; }
+static inline int
+qcom_scm_pas_auth_and_reset(u32 peripheral) { return -ENODEV; }
+static inline int qcom_scm_pas_shutdown(u32 peripheral) { return -ENODEV; }
+static inline void qcom_scm_cpu_power_down(u32 flags) {}
+static inline u32 qcom_scm_get_version(void) { return 0; }
+static inline int
+qcom_scm_video_set_state(u32 state, u32 spare) { return -ENODEV; }
+#endif
 
 #endif
-- 
2.7.4

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