From 9a1108d2b001cda1af17160c78afedfff92e2202 Mon Sep 17 00:00:00 2001 From: Elliot Berman Date: Tue, 7 Jan 2020 13:04:12 -0800 Subject: firmware: qcom_scm: Remove unused qcom_scm_get_version Remove unused qcom_scm_get_version. Reviewed-by: Bjorn Andersson Reviewed-by: Vinod Koul Reviewed-by: Stephen Boyd Tested-by: Brian Masney # arm32 Tested-by: Stephan Gerhold Signed-off-by: Elliot Berman Link: https://lore.kernel.org/r/1578431066-19600-4-git-send-email-eberman@codeaurora.org Signed-off-by: Bjorn Andersson --- drivers/firmware/qcom_scm-32.c | 36 ------------------------------------ 1 file changed, 36 deletions(-) (limited to 'drivers/firmware/qcom_scm-32.c') 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 -- cgit v1.2.3