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powerpc/32s: get rid of CPU_FTR_601 feature

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Now that 601 is exclusive from other 6xx, CPU_FTR_601 and
associated fixups are useless.

Drop this feature and use #ifdefs instead.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/ecdb7194a17dbfa01865df6a82979533adc2c70b.1566834712.git.christophe.leroy@c-s.fr
This commit is contained in:
Christophe Leroy
2019-08-26 15:52:14 +00:00
committed by Michael Ellerman
parent f7a0bf7d90
commit 12c3f1fd87
10 changed files with 52 additions and 79 deletions
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28
arch/powerpc/include/asm/ppc_asm.h
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@@ -383,19 +383,9 @@ n:
/* various errata or part fixups */
#ifdef CONFIG_PPC601_SYNC_FIX
#define SYNC \
BEGIN_FTR_SECTION \
sync; \
isync; \
END_FTR_SECTION_IFSET(CPU_FTR_601)
#define SYNC_601 \
BEGIN_FTR_SECTION \
sync; \
END_FTR_SECTION_IFSET(CPU_FTR_601)
#define ISYNC_601 \
BEGIN_FTR_SECTION \
isync; \
END_FTR_SECTION_IFSET(CPU_FTR_601)
#define SYNC sync; isync
#define SYNC_601 sync
#define ISYNC_601 isync
#else
#define SYNC
#define SYNC_601
@@ -421,15 +411,11 @@ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96)
#define MFTBU(dest) mfspr dest, SPRN_TBRU
#endif
#ifndef CONFIG_SMP
#define TLBSYNC
#else /* CONFIG_SMP */
/* tlbsync is not implemented on 601 */
#define TLBSYNC \
BEGIN_FTR_SECTION \
tlbsync; \
sync; \
END_FTR_SECTION_IFCLR(CPU_FTR_601)
#if !defined(CONFIG_SMP) || defined(CONFIG_PPC_BOOK3S_601)
#define TLBSYNC
#else
#define TLBSYNC tlbsync; sync
#endif
#ifdef CONFIG_PPC64