[PATCH 04/17] firmware: qcom_scm: Remove unused qcom_scm_get_version

Elliot Berman
2019-11-05T01:28:45Z

Remove unused qcom_scm_get_version.

Signed-off-by: Elliot Berman <eberman@codeaurora.org>
---
drivers/firmware/qcom_scm-32.c | 36 ------------------------------------
include/linux/qcom_scm.h | 2 --
2 files changed, 38 deletions(-)

diff --git a/drivers/firmware/qcom_scm-32.c b/drivers/firmware/qcom_scm-32.c
index b09fddf..b7f9f28 100644
--- a/drivers/firmware/qcom_scm-32.c
+++ b/drivers/firmware/qcom_scm-32.c
@@ -291,42 +291,6 @@ 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
diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h
index f8b6525..05a1c7a 100644
--- a/include/linux/qcom_scm.h
+++ b/include/linux/qcom_scm.h
@@ -59,7 +59,6 @@ extern bool qcom_scm_hdcp_available(void);
extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
u32 *resp);
extern int qcom_scm_qsmmu500_wait_safe_toggle(bool en);
-extern u32 qcom_scm_get_version(void);
extern bool qcom_scm_is_available(void);
#else

@@ -101,7 +100,6 @@ static inline int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
u32 *resp) { return -ENODEV; }
static inline int qcom_scm_qsmmu500_wait_safe_toggle(bool en)
{ return -ENODEV; }
-static inline u32 qcom_scm_get_version(void) { return 0; }
static inline bool qcom_scm_is_available(void) { return false; }
#endif
#endif