1 files changed, 0 insertions, 63 deletions
diff --git a/arch/riscv/kernel/sbi.c b/arch/riscv/kernel/sbi.c
index 837bdab2601b..1989b8cade1b 100644
--- a/arch/riscv/kernel/sbi.c
+++ b/arch/riscv/kernel/sbi.c
@@ -14,9 +14,6 @@
 #include <asm/smp.h>
 #include <asm/tlbflush.h>
 
-#define CREATE_TRACE_POINTS
-#include <asm/trace.h>
-
 /* default SBI version is 0.1 */
 unsigned long sbi_spec_version __ro_after_init = SBI_SPEC_VERSION_DEFAULT;
 EXPORT_SYMBOL(sbi_spec_version);
@@ -27,55 +24,6 @@ static int (*__sbi_rfence)(int fid, const struct cpumask *cpu_mask,
 			   unsigned long start, unsigned long size,
 			   unsigned long arg4, unsigned long arg5) __ro_after_init;
 
-struct sbiret __sbi_ecall(unsigned long arg0, unsigned long arg1,
-			  unsigned long arg2, unsigned long arg3,
-			  unsigned long arg4, unsigned long arg5,
-			  int fid, int ext)
-{
-	struct sbiret ret;
-
-	trace_sbi_call(ext, fid);
-
-	register uintptr_t a0 asm ("a0") = (uintptr_t)(arg0);
-	register uintptr_t a1 asm ("a1") = (uintptr_t)(arg1);
-	register uintptr_t a2 asm ("a2") = (uintptr_t)(arg2);
-	register uintptr_t a3 asm ("a3") = (uintptr_t)(arg3);
-	register uintptr_t a4 asm ("a4") = (uintptr_t)(arg4);
-	register uintptr_t a5 asm ("a5") = (uintptr_t)(arg5);
-	register uintptr_t a6 asm ("a6") = (uintptr_t)(fid);
-	register uintptr_t a7 asm ("a7") = (uintptr_t)(ext);
-	asm volatile ("ecall"
-		      : "+r" (a0), "+r" (a1)
-		      : "r" (a2), "r" (a3), "r" (a4), "r" (a5), "r" (a6), "r" (a7)
-		      : "memory");
-	ret.error = a0;
-	ret.value = a1;
-
-	trace_sbi_return(ext, ret.error, ret.value);
-
-	return ret;
-}
-EXPORT_SYMBOL(__sbi_ecall);
-
-int sbi_err_map_linux_errno(int err)
-{
-	switch (err) {
-	case SBI_SUCCESS:
-		return 0;
-	case SBI_ERR_DENIED:
-		return -EPERM;
-	case SBI_ERR_INVALID_PARAM:
-		return -EINVAL;
-	case SBI_ERR_INVALID_ADDRESS:
-		return -EFAULT;
-	case SBI_ERR_NOT_SUPPORTED:
-	case SBI_ERR_FAILURE:
-	default:
-		return -ENOTSUPP;
-	};
-}
-EXPORT_SYMBOL(sbi_err_map_linux_errno);
-
 #ifdef CONFIG_RISCV_SBI_V01
 static unsigned long __sbi_v01_cpumask_to_hartmask(const struct cpumask *cpu_mask)
 {
@@ -535,17 +483,6 @@ long sbi_probe_extension(int extid)
 }
 EXPORT_SYMBOL(sbi_probe_extension);
 
-static long __sbi_base_ecall(int fid)
-{
-	struct sbiret ret;
-
-	ret = sbi_ecall(SBI_EXT_BASE, fid, 0, 0, 0, 0, 0, 0);
-	if (!ret.error)
-		return ret.value;
-	else
-		return sbi_err_map_linux_errno(ret.error);
-}
-
 static inline long sbi_get_spec_version(void)
 {
 	return __sbi_base_ecall(SBI_EXT_BASE_GET_SPEC_VERSION);