diff options
| author | Elliot Berman <eberman@codeaurora.org> | 2020-01-07 13:04:12 -0800 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2020-01-07 22:14:04 -0800 |
| commit | 9a1108d2b001cda1af17160c78afedfff92e2202 (patch) | |
| tree | c93ed9c4b0ad20a5859f94fe716debab72d07e7b | |
| parent | 5443cc5f12b1178ccdc414843aea7f0d2e14d03c (diff) | |
firmware: qcom_scm: Remove unused qcom_scm_get_version
Remove unused qcom_scm_get_version.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Brian Masney <masneyb@onstation.org> # arm32
Tested-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Elliot Berman <eberman@codeaurora.org>
Link: https://lore.kernel.org/r/1578431066-19600-4-git-send-email-eberman@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
| -rw-r--r-- | drivers/firmware/qcom_scm-32.c | 36 | ||||
| -rw-r--r-- | include/linux/qcom_scm.h | 2 |
2 files changed, 0 insertions, 38 deletions
diff --git a/drivers/firmware/qcom_scm-32.c b/drivers/firmware/qcom_scm-32.c index 6e62f73627ba..8b5724069f27 100644 --- a/drivers/firmware/qcom_scm-32.c +++ b/drivers/firmware/qcom_scm-32.c @@ -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 diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h index 2c1d20312ce0..98e775d7a3ec 100644 --- a/include/linux/qcom_scm.h +++ b/include/linux/qcom_scm.h @@ -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; } |