firmware: qcom_scm: Remove unused qcom_scm_get_version (9a1108d2) · Commits · 戴 / test

drivers/firmware/qcom_scm-32.c

+0 −36

Original line number	Diff line number	Diff line
		@@ -292,42 +292,6 @@ static s32 qcom_scm_call_atomic2(u32 svc, u32 cmd, u32 arg1, u32 arg2)
		return r0;
		}

		u32 qcom_scm_get_version(void)
		{
		int context_id;
		static u32 version = -1;
		register u32 r0 asm("r0");
		register u32 r1 asm("r1");

		if (version != -1)
		return version;

		mutex_lock(&qcom_scm_lock);

		r0 = 0x1 << 8;
		r1 = (u32)&context_id;
		do {
		asm volatile(
		__asmeq("%0", "r0")
		__asmeq("%1", "r1")
		__asmeq("%2", "r0")
		__asmeq("%3", "r1")
		#ifdef REQUIRES_SEC
		".arch_extension sec\n"
		#endif
		"smc #0 @ switch to secure world\n"
		: "=r" (r0), "=r" (r1)
		: "r" (r0), "r" (r1)
		: "r2", "r3", "r12");
		} while (r0 == QCOM_SCM_INTERRUPTED);

		version = r1;
		mutex_unlock(&qcom_scm_lock);

		return version;
		}
		EXPORT_SYMBOL(qcom_scm_get_version);

		/**
		* qcom_scm_set_cold_boot_addr() - Set the cold boot address for cpus
		* @entry: Entry point function for the cpus

+0 −2

Original line number	Diff line number	Diff line
		@@ -78,7 +78,6 @@ extern int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
		const struct qcom_scm_vmperm *newvm,
		unsigned int dest_cnt);
		extern void qcom_scm_cpu_power_down(u32 flags);
		extern u32 qcom_scm_get_version(void);
		extern int qcom_scm_set_remote_state(u32 state, u32 id);
		extern bool qcom_scm_restore_sec_cfg_available(void);
		extern int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare);
		@@ -123,7 +122,6 @@ static inline int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
		const struct qcom_scm_vmperm *newvm,
		unsigned int dest_cnt) { return -ENODEV; }
		static inline void qcom_scm_cpu_power_down(u32 flags) {}
		static inline u32 qcom_scm_get_version(void) { return 0; }
		static inline u32
		qcom_scm_set_remote_state(u32 state,u32 id) { return -ENODEV; }
		static inline bool qcom_scm_restore_sec_cfg_available(void) { return false; }