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[MIPS] DECstation: Fix irq handling 

When I post a patch (commit f431baa55a),
I just tried to not change behavior of existing codes, but it seems
dec/int-handler.S had been broken since its previous commit
937a801576.

The caller of plat_irq_dispatch do setup/restore TI_REGS($28), so
dec's plat_irq_dispatch should not do it, and there is no need to
adjust RA.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto 2007-02-12 23:48:26 +09:00 committed by Ralf Baechle
parent 24c556e99e
commit d01f06ef0c
1 changed files with 0 additions and 4 deletions
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4
arch/mips/dec/int-handler.S
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@ -264,9 +264,6 @@
srlv t3,t1,t2
handle_it:
LONG_L s0, TI_REGS($28)
LONG_S sp, TI_REGS($28)
PTR_LA ra, ret_from_irq
j dec_irq_dispatch
nop
@ -277,7 +274,6 @@ fpu:
#endif
spurious:
PTR_LA ra, _ret_from_irq
j spurious_interrupt
nop
END(plat_irq_dispatch)