MIPS: c-r4k: Fix Loongson-3's vcache/scache waysize calculation

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commit 0be032c190 upstream.

If scache.waysize is 0, r4k___flush_cache_all() will do nothing and
then cause bugs. BTW, though vcache.waysize isn't being used by now,
we also fix its calculation.

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J . Hill <Steven.Hill@caviumnetworks.com>
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/15756/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Huacai Chen 2017-03-16 21:00:29 +08:00 • committed by Greg Kroah-Hartman

parent 59b8725f2b

commit be56f92cc0

1 changed files with 2 additions and 0 deletions

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arch/mips/mm/c-r4k.c

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