summaryrefslogtreecommitdiffstats
path: root/arch/mips/pci
diff options
context:
space:
mode:
authorPete Popov <ppopov@embeddedalley.com>2005-02-28 05:15:40 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:30:45 +0100
commitd437441ef5336874e934bd53a03159a584efe95a (patch)
tree1b1b83454186d47cb42016fde654be2a09917b6a /arch/mips/pci
parent13d1d73ea57e7e012bc131ce0f945231087e8c8b (diff)
downloadop-kernel-dev-d437441ef5336874e934bd53a03159a584efe95a.zip
op-kernel-dev-d437441ef5336874e934bd53a03159a584efe95a.tar.gz
No barrier needed on au1x.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/pci')
-rw-r--r--arch/mips/pci/ops-au1000.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/mips/pci/ops-au1000.c b/arch/mips/pci/ops-au1000.c
index 74d9105..be14201 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);
}
OpenPOWER on IntegriCloud