--- zzzz-none-000/linux-2.6.39.4/arch/arm/lib/backtrace.S	2011-08-03 19:43:28.000000000 +0000
+++ puma6-arm-6490-729/linux-2.6.39.4/arch/arm/lib/backtrace.S	2021-11-10 13:23:09.000000000 +0000
@@ -105,7 +105,7 @@
 
 1006:		adr	r0, .Lbad
 		mov	r1, frame
-		bl	printk
+		bl	asm_printk
 no_frame:	ldmfd	sp!, {r4 - r8, pc}
 ENDPROC(__backtrace)
 ENDPROC(c_backtrace)
@@ -140,12 +140,12 @@
 		ldr	r3, [stack], #-4
 		mov	r2, reg
 		adr	r0, .Lfp
-		bl	printk
+		bl	asm_printk
 2:		subs	reg, reg, #1
 		bpl	1b
 		teq	r7, #0
 		adrne	r0, .Lcr
-		blne	printk
+		blne	asm_printk
 		ldmfd	sp!, {instr, reg, stack, r7, pc}
 
 .Lfp:		.asciz	"%cr%d:%08x"