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author | Ralf Baechle <ralf@linux-mips.org> | 2012-01-11 15:37:16 +0100 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2012-01-11 15:37:16 +0100 |
commit | d7a887a73dec6c387b02a966a71aac767bbd9ce6 (patch) | |
tree | f32a5f2151b9fe4de1491b601db2e3587d3d52c0 /arch/mips/mm/tlb-r4k.c | |
parent | MIPS: Set default pci cache line size. (diff) | |
download | linux-d7a887a73dec6c387b02a966a71aac767bbd9ce6.tar.xz linux-d7a887a73dec6c387b02a966a71aac767bbd9ce6.zip |
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/tlb-r4k.c')
-rw-r--r-- | arch/mips/mm/tlb-r4k.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c index 88dc49cfa163..74d67c885743 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(); |