From: Mike Frysinger <michael.frysinger@analog.com>
Date: Fri, 3 Aug 2007 10:29:15 +0000 (+0800)
Subject: Blackfin arch: remove unused code -- EVT0 is not controllable by software
X-Git-Tag: v2.6.24-rc1~1462^2~46
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a298049180d2c56fc8ac1796b24973bf4f019cc7;p=linux-2.6

Blackfin arch: remove unused code -- EVT0 is not controllable by software

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
---

diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S
index 14ef800a56..1d5ba5e3d9 100644
--- a/arch/blackfin/mach-common/interrupt.S
+++ b/arch/blackfin/mach-common/interrupt.S
@@ -46,30 +46,6 @@
 
 .align 4 	/* just in case */
 
-/*
- * initial interrupt handlers
- */
-
-#ifndef CONFIG_KGDB
- 	/* interrupt routine for emulation - 0 */
-	/* Currently used only if GDB stub is not in - invalid */
-	/* gdb-stub set the evt itself */
-	/* save registers for post-mortem only */
-ENTRY(_evt_emulation)
-	SAVE_ALL_SYS
-#ifdef CONFIG_FRAME_POINTER
-	fp = 0;
-#endif
-	r0 = IRQ_EMU;
-	r1 = sp;
-	SP += -12;
-	call _irq_panic;
-	SP += 12;
-	/* - GDB stub fills this in by itself (if defined) */
-	rte;
-ENDPROC(_evt_emulation)
-#endif
-
 /* Common interrupt entry code.	 First we do CLI, then push
  * RETI, to keep interrupts disabled, but to allow this state to be changed
  * by local_bh_enable.
diff --git a/arch/blackfin/mach-common/ints-priority-dc.c b/arch/blackfin/mach-common/ints-priority-dc.c
index d5d9e57813..684d306ab6 100644
--- a/arch/blackfin/mach-common/ints-priority-dc.c
+++ b/arch/blackfin/mach-common/ints-priority-dc.c
@@ -362,9 +362,6 @@ void __init init_exception_vectors(void)
 {
 	SSYNC();
 
-#ifndef CONFIG_KGDB
-	bfin_write_EVT0(evt_emulation);
-#endif
 	bfin_write_EVT2(evt_evt2);
 	bfin_write_EVT3(trap);
 	bfin_write_EVT5(evt_ivhw);
diff --git a/arch/blackfin/mach-common/ints-priority-sc.c b/arch/blackfin/mach-common/ints-priority-sc.c
index 505b948449..a2016af65e 100644
--- a/arch/blackfin/mach-common/ints-priority-sc.c
+++ b/arch/blackfin/mach-common/ints-priority-sc.c
@@ -721,9 +721,6 @@ void __init init_exception_vectors(void)
 {
 	SSYNC();
 
-#ifndef CONFIG_KGDB
-	bfin_write_EVT0(evt_emulation);
-#endif
 	bfin_write_EVT2(evt_evt2);
 	bfin_write_EVT3(trap);
 	bfin_write_EVT5(evt_ivhw);
diff --git a/include/asm-blackfin/irq_handler.h b/include/asm-blackfin/irq_handler.h
index d830f0a49a..6a768315bb 100644
--- a/include/asm-blackfin/irq_handler.h
+++ b/include/asm-blackfin/irq_handler.h
@@ -2,7 +2,6 @@
 #define _IRQ_HANDLER_H
 
 /* BASE LEVEL interrupt handler routines */
-asmlinkage void evt_emulation(void);
 asmlinkage void evt_exception(void);
 asmlinkage void trap(void);
 asmlinkage void evt_ivhw(void);