powerpc: get rid of addr_probe()
This function has never been used, at least since the beginning
of the git repository
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
diff --git a/arch/powerpc/cpu/mpc83xx/traps.c b/arch/powerpc/cpu/mpc83xx/traps.c
index 3dd6900..f238d0b 100644
--- a/arch/powerpc/cpu/mpc83xx/traps.c
+++ b/arch/powerpc/cpu/mpc83xx/traps.c
@@ -215,30 +215,3 @@
do_bedbug_breakpoint( regs );
#endif
}
-
-/* Probe an address by reading. If not present, return -1, otherwise
- * return 0.
- */
-int addr_probe(uint *addr)
-{
-#if 0
- int retval;
-
- __asm__ __volatile__( \
- "1: lwz %0,0(%1)\n" \
- " eieio\n" \
- " li %0,0\n" \
- "2:\n" \
- ".section .fixup,\"ax\"\n" \
- "3: li %0,-1\n" \
- " b 2b\n" \
- ".section __ex_table,\"a\"\n" \
- " .align 2\n" \
- " .long 1b,3b\n" \
- ".text" \
- : "=r" (retval) : "r"(addr));
-
- return (retval);
-#endif
- return 0;
-}
diff --git a/arch/powerpc/cpu/mpc85xx/traps.c b/arch/powerpc/cpu/mpc85xx/traps.c
index 24adbc3..9d3556e 100644
--- a/arch/powerpc/cpu/mpc85xx/traps.c
+++ b/arch/powerpc/cpu/mpc85xx/traps.c
@@ -286,11 +286,3 @@
do_bedbug_breakpoint( regs );
#endif
}
-
-/* Probe an address by reading. If not present, return -1, otherwise
- * return 0.
- */
-int addr_probe(uint *addr)
-{
- return 0;
-}
diff --git a/arch/powerpc/cpu/mpc86xx/traps.c b/arch/powerpc/cpu/mpc86xx/traps.c
index 92fb537..da74146 100644
--- a/arch/powerpc/cpu/mpc86xx/traps.c
+++ b/arch/powerpc/cpu/mpc86xx/traps.c
@@ -195,13 +195,3 @@
regs->nip, regs->msr, regs->trap);
_exception(0, regs);
}
-
-/*
- * Probe an address by reading.
- * If not present, return -1,
- * otherwise return 0.
- */
-int addr_probe(uint *addr)
-{
- return 0;
-}
diff --git a/arch/powerpc/cpu/mpc8xx/traps.c b/arch/powerpc/cpu/mpc8xx/traps.c
index 8b8d617..ebf4e41 100644
--- a/arch/powerpc/cpu/mpc8xx/traps.c
+++ b/arch/powerpc/cpu/mpc8xx/traps.c
@@ -155,11 +155,3 @@
printf("Debugger trap at @ %lx\n", regs->nip);
show_regs(regs);
}
-
-/* Probe an address by reading. If not present, return -1, otherwise
- * return 0.
- */
-int addr_probe(uint *addr)
-{
- return 0;
-}