--- zzzz-none-000/linux-2.6.32.61/arch/mips/kernel/asm-offsets.c	2013-06-10 09:43:48.000000000 +0000
+++ ar10-7272-687/linux-2.6.32.61/arch/mips/kernel/asm-offsets.c	2012-05-10 11:19:12.000000000 +0000
@@ -55,6 +55,15 @@
 	OFFSET(PT_R31, pt_regs, regs[31]);
 	OFFSET(PT_LO, pt_regs, lo);
 	OFFSET(PT_HI, pt_regs, hi);
+#if defined(__mips_dsp)
+	OFFSET(PT_AC1LO, pt_regs, ac1lo);
+	OFFSET(PT_AC1HI, pt_regs, ac1hi);
+	OFFSET(PT_AC2LO, pt_regs, ac2lo);
+	OFFSET(PT_AC2HI, pt_regs, ac2hi);
+	OFFSET(PT_AC3LO, pt_regs, ac3lo);
+	OFFSET(PT_AC3HI, pt_regs, ac3hi);
+	OFFSET(PT_DSPCTRL, pt_regs, dspctrl);
+#endif/*--- #if defined(__mips_dsp) ---*/
 #ifdef CONFIG_CPU_HAS_SMARTMIPS
 	OFFSET(PT_ACX, pt_regs, acx);
 #endif