linux-kernel - [PATCH] powerpc: remove remaining bits from CONFIG

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Message-Id: <b5b092b3ed537d9d71e0f8763ccd045da05ef40e.1543912653.git.christophe.leroy@c-s.fr>
Date:   Tue,  4 Dec 2018 17:59:15 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        David Gibson <david@...son.dropbear.id.au>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH] powerpc: remove remaining bits from CONFIG_APUS

commit f21f49ea639a ("[POWERPC] Remove the dregs of APUS support from
arch/powerpc") removed CONFIG_APUS, but forgot to remove the logic
which adapts tophys() and tovirt() for it.

This patch removes the last stale pieces.

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 arch/powerpc/include/asm/ppc_asm.h | 19 ++-----------------
 arch/powerpc/kernel/vmlinux.lds.S  |  6 ------
 2 files changed, 2 insertions(+), 23 deletions(-)

diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index b5d023680801..378432995eb7 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -480,26 +480,11 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
 	ori	rd,rd,((KERNELBASE>>48)&0xFFFF);\
 	rotldi	rd,rd,48
 #else
-/*
- * On APUS (Amiga PowerPC cpu upgrade board), we don't know the
- * physical base address of RAM at compile time.
- */
 #define toreal(rd)	tophys(rd,rd)
 #define fromreal(rd)	tovirt(rd,rd)
 
-#define tophys(rd,rs)				\
-0:	addis	rd,rs,-PAGE_OFFSET@h;		\
-	.section ".vtop_fixup","aw";		\
-	.align  1;				\
-	.long   0b;				\
-	.previous
-
-#define tovirt(rd,rs)				\
-0:	addis	rd,rs,PAGE_OFFSET@h;		\
-	.section ".ptov_fixup","aw";		\
-	.align  1;				\
-	.long   0b;				\
-	.previous
+#define tophys(rd, rs)	addis	rd, rs, -PAGE_OFFSET@h
+#define tovirt(rd, rs)	addis	rd, rs, PAGE_OFFSET@h
 #endif
 
 #ifdef CONFIG_PPC_BOOK3S_64
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index d210dcfe915a..c133732e529a 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -203,12 +203,6 @@ SECTIONS
 
 	.init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
 		INIT_DATA
-		__vtop_table_begin = .;
-		KEEP(*(.vtop_fixup));
-		__vtop_table_end = .;
-		__ptov_table_begin = .;
-		KEEP(*(.ptov_fixup));
-		__ptov_table_end = .;
 	}
 
 	.init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
-- 
2.13.3