powerpc/xmon: Remove SPU debug and disassembly

Now that the IBM Cell Blade support is removed, the xmon SPU support is
effectively unusable. That is because PS3 doesn't implement udbg_getc
which is required to send input to xmon.

So remove the xmon SPU support.

Signed-off-by: Michael Ellerman <[email protected]>
Signed-off-by: Madhavan Srinivasan <[email protected]>
Link: https://patch.msgid.link/[email protected]

Author: mpe

arch/powerpc/include/asm/xmon.h

@@ -12,13 +12,11 @@
 
 #ifdef CONFIG_XMON
 extern void xmon_setup(void);
-void __init xmon_register_spus(struct list_head *list);
 struct pt_regs;
 extern int xmon(struct pt_regs *excp);
 extern irqreturn_t xmon_irq(int, void *);
 #else
 static inline void xmon_setup(void) { }
-static inline void xmon_register_spus(struct list_head *list) { }
 #endif
 
 #if defined(CONFIG_XMON) && defined(CONFIG_SMP)

arch/powerpc/platforms/cell/spu_base.c

@@ -23,7 +23,6 @@
 #include <asm/spu.h>
 #include <asm/spu_priv1.h>
 #include <asm/spu_csa.h>
-#include <asm/xmon.h>
 #include <asm/kexec.h>
 
 const struct spu_management_ops *spu_management_ops;
@@ -772,7 +771,6 @@ static int __init init_spu_base(void)
 		fb_append_extra_logo(&logo_spe_clut224, ret);
 
 	mutex_lock(&spu_full_list_mutex);
-	xmon_register_spus(&spu_full_list);
 	crash_register_spus(&spu_full_list);
 	mutex_unlock(&spu_full_list_mutex);
 	spu_add_dev_attr(&dev_attr_stat);

arch/powerpc/xmon/Makefile

@@ -16,7 +16,4 @@ ccflags-$(CONFIG_CC_IS_CLANG) += -Wframe-larger-than=4096
 
 obj-y			+= xmon.o nonstdio.o spr_access.o xmon_bpts.o
 
-ifdef CONFIG_XMON_DISASSEMBLY
-obj-y			+= ppc-dis.o ppc-opc.o
-obj-$(CONFIG_SPU_BASE)	+= spu-dis.o spu-opc.o
-endif
+obj-$(CONFIG_XMON_DISASSEMBLY) += ppc-dis.o ppc-opc.o