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authorRalf Baechle <ralf@linux-mips.org>2012-01-11 15:37:16 +0100
committerRalf Baechle <ralf@linux-mips.org>2012-01-11 15:37:16 +0100
commitd7a887a73dec6c387b02a966a71aac767bbd9ce6 (patch)
treef32a5f2151b9fe4de1491b601db2e3587d3d52c0 /arch/mips/mm
parentc539ef7d355219c7b0e16cc302bf179fcad936b3 (diff)
MIPS: Delete unused function add_temporary_entry.
Only available for R4000 style TLBs anyway and proper ordering of initialization code made this crude interface unncecessary. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm')
-rw-r--r--arch/mips/mm/tlb-r4k.c47
1 files changed, 0 insertions, 47 deletions
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 88dc49cfa16..74d67c88574 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -376,51 +376,6 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
EXIT_CRITICAL(flags);
}
-/*
- * Used for loading TLB entries before trap_init() has started, when we
- * don't actually want to add a wired entry which remains throughout the
- * lifetime of the system
- */
-
-static int temp_tlb_entry __cpuinitdata;
-
-__init int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
- unsigned long entryhi, unsigned long pagemask)
-{
- int ret = 0;
- unsigned long flags;
- unsigned long wired;
- unsigned long old_pagemask;
- unsigned long old_ctx;
-
- ENTER_CRITICAL(flags);
- /* Save old context and create impossible VPN2 value */
- old_ctx = read_c0_entryhi();
- old_pagemask = read_c0_pagemask();
- wired = read_c0_wired();
- if (--temp_tlb_entry < wired) {
- printk(KERN_WARNING
- "No TLB space left for add_temporary_entry\n");
- ret = -ENOSPC;
- goto out;
- }
-
- write_c0_index(temp_tlb_entry);
- write_c0_pagemask(pagemask);
- write_c0_entryhi(entryhi);
- write_c0_entrylo0(entrylo0);
- write_c0_entrylo1(entrylo1);
- mtc0_tlbw_hazard();
- tlb_write_indexed();
- tlbw_use_hazard();
-
- write_c0_entryhi(old_ctx);
- write_c0_pagemask(old_pagemask);
-out:
- EXIT_CRITICAL(flags);
- return ret;
-}
-
static int __cpuinitdata ntlb;
static int __init set_ntlb(char *str)
{
@@ -458,8 +413,6 @@ void __cpuinit tlb_init(void)
write_c0_pagegrain(pg);
}
- temp_tlb_entry = current_cpu_data.tlbsize - 1;
-
/* From this point on the ARC firmware is dead. */
local_flush_tlb_all();