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powerpc/8xx: simplify struct mmu_psize_def

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On 8xx, only the shift field is used in struct mmu_psize_def

Remove other fields and related macros.

Link: https://lkml.kernel.org/r/dd0587a9e8354005858c7f8c9a775ad05523b314.1719928057.git.christophe.leroy@csgroup.eu
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Christophe Leroy 2024-07-02 15:51:26 +02:00 committed by Andrew Morton
parent 0549e76663
commit b04c2da4ff
1 changed files with 2 additions and 7 deletions
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9
arch/powerpc/include/asm/nohash/32/mmu-8xx.h
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@ -189,19 +189,14 @@ typedef struct {
#define PHYS_IMMR_BASE (mfspr(SPRN_IMMR) & 0xfff80000)
/* Page size definitions, common between 32 and 64-bit
/*
* Page size definitions for 8xx
*
* shift : is the "PAGE_SHIFT" value for that page size
* penc : is the pte encoding mask
*
*/
struct mmu_psize_def {
unsigned int shift; /* number of bits */
unsigned int enc; /* PTE encoding */
unsigned int ind; /* Corresponding indirect page size shift */
unsigned int flags;
#define MMU_PAGE_SIZE_DIRECT 0x1 /* Supported as a direct size */
#define MMU_PAGE_SIZE_INDIRECT 0x2 /* Supported as an indirect size */
};
extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT];