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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-08-14 07:56:27 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-09-02 03:00:21 +0200 |
| commit | 704dfe931df951895dea98bd1d9cacbb601b6451 (patch) | |
| tree | aca2368fc39811c2e404184d27a76422e4c469fc /arch/powerpc/kernel/misc_32.S | |
| parent | powerpc: Rewrite 4xx flush_cache_instruction() in C (diff) | |
| download | linux-704dfe931df951895dea98bd1d9cacbb601b6451.tar.xz linux-704dfe931df951895dea98bd1d9cacbb601b6451.zip | |
powerpc: Rewrite FSL_BOOKE flush_cache_instruction() in C
Nothing prevents flush_cache_instruction() from being writen in C.
Do it to improve readability and maintainability.
This function is only use by low level callers, it is not
intended to be used by module. Don't export it.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/f989eff8296800c427622c0985384148404e4f0b.1597384512.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel/misc_32.S')
| -rw-r--r-- | arch/powerpc/kernel/misc_32.S | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 9e8f730fe04d..717e658b90fd 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -255,28 +255,6 @@ _ASM_NOKPROBE_SYMBOL(real_writeb) #endif /* CONFIG_40x */ - -/* - * Flush instruction cache. - */ -#ifdef CONFIG_FSL_BOOKE -_GLOBAL(flush_instruction_cache) -#ifdef CONFIG_E200 - mfspr r3,SPRN_L1CSR0 - ori r3,r3,L1CSR0_CFI|L1CSR0_CLFC - /* msync; isync recommended here */ - mtspr SPRN_L1CSR0,r3 - isync - blr -#endif - mfspr r3,SPRN_L1CSR1 - ori r3,r3,L1CSR1_ICFI|L1CSR1_ICLFR - mtspr SPRN_L1CSR1,r3 - isync - blr -EXPORT_SYMBOL(flush_instruction_cache) -#endif - /* * Copy a whole page. We use the dcbz instruction on the destination * to reduce memory traffic (it eliminates the unnecessary reads of |