From d437441ef5336874e934bd53a03159a584efe95a Mon Sep 17 00:00:00 2001
From: Pete Popov <ppopov@embeddedalley.com>
Date: Mon, 28 Feb 2005 05:15:40 +0000
Subject: No barrier needed on au1x.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
arch/mips/pci/ops-au1000.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/arch/mips/pci/ops-au1000.c b/arch/mips/pci/ops-au1000.c
index 74d91054db0..be1420126c4 100644
--- a/arch/mips/pci/ops-au1000.c
+++ b/arch/mips/pci/ops-au1000.c
@@ -50,11 +50,6 @@
int (*board_pci_idsel)(unsigned int devsel, int assert);
-/* CP0 hazard avoidance. */
-#define BARRIER __asm__ __volatile__(".set noreorder\n\t" \
- "nop; nop; nop; nop;\t" \
- ".set reorder\n\t")
-
void mod_wired_entry(int entry, unsigned long entrylo0,
unsigned long entrylo1, unsigned long entryhi,
unsigned long pagemask)
@@ -66,16 +61,12 @@ void mod_wired_entry(int entry, unsigned long entrylo0,
old_ctx = read_c0_entryhi() & 0xff;
old_pagemask = read_c0_pagemask();
write_c0_index(entry);
- BARRIER;
write_c0_pagemask(pagemask);
write_c0_entryhi(entryhi);
write_c0_entrylo0(entrylo0);
write_c0_entrylo1(entrylo1);
- BARRIER;
tlb_write_indexed();
- BARRIER;
write_c0_entryhi(old_ctx);
- BARRIER;
write_c0_pagemask(old_pagemask);
}
--
cgit