1 files changed, 0 insertions, 74 deletions
diff --git a/arch/riscv/errata/alternative.c b/arch/riscv/errata/alternative.c
deleted file mode 100644
index 3b15885db70b..000000000000
--- a/arch/riscv/errata/alternative.c
+++ /dev/null
@@ -1,74 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * alternative runtime patching
- * inspired by the ARM64 and x86 version
- *
- * Copyright (C) 2021 Sifive.
- */
-
-#include <linux/init.h>
-#include <linux/cpu.h>
-#include <linux/uaccess.h>
-#include <asm/alternative.h>
-#include <asm/sections.h>
-#include <asm/vendorid_list.h>
-#include <asm/sbi.h>
-#include <asm/csr.h>
-
-static struct cpu_manufacturer_info_t {
-	unsigned long vendor_id;
-	unsigned long arch_id;
-	unsigned long imp_id;
-} cpu_mfr_info;
-
-static void (*vendor_patch_func)(struct alt_entry *begin, struct alt_entry *end,
-				 unsigned long archid, unsigned long impid);
-
-static inline void __init riscv_fill_cpu_mfr_info(void)
-{
-#ifdef CONFIG_RISCV_M_MODE
-	cpu_mfr_info.vendor_id = csr_read(CSR_MVENDORID);
-	cpu_mfr_info.arch_id = csr_read(CSR_MARCHID);
-	cpu_mfr_info.imp_id = csr_read(CSR_MIMPID);
-#else
-	cpu_mfr_info.vendor_id = sbi_get_mvendorid();
-	cpu_mfr_info.arch_id = sbi_get_marchid();
-	cpu_mfr_info.imp_id = sbi_get_mimpid();
-#endif
-}
-
-static void __init init_alternative(void)
-{
-	riscv_fill_cpu_mfr_info();
-
-	switch (cpu_mfr_info.vendor_id) {
-#ifdef CONFIG_ERRATA_SIFIVE
-	case SIFIVE_VENDOR_ID:
-		vendor_patch_func = sifive_errata_patch_func;
-		break;
-#endif
-	default:
-		vendor_patch_func = NULL;
-	}
-}
-
-/*
- * This is called very early in the boot process (directly after we run
- * a feature detect on the boot CPU). No need to worry about other CPUs
- * here.
- */
-void __init apply_boot_alternatives(void)
-{
-	/* If called on non-boot cpu things could go wrong */
-	WARN_ON(smp_processor_id() != 0);
-
-	init_alternative();
-
-	if (!vendor_patch_func)
-		return;
-
-	vendor_patch_func((struct alt_entry *)__alt_start,
-			  (struct alt_entry *)__alt_end,
-			  cpu_mfr_info.arch_id, cpu_mfr_info.imp_id);
-}
-