Allow to autodetect L1 I/D caches line size in runtime instead of relying on value provided via kconfig. This patch series is inspired by https://gitsnps.internal.synopsys.com/ arc_oss/linux/commit/c229c6e2e7a62269e2929943ccda2b04149e5b27 however has the following improvements: * we don't touch any generic code, so it's easier to upstream it. * autodetection can be disabled via kconfig. * changes are rebased on latest kernel version. Eugeniy Paltsev (3): ARC: cache: declare cache-related defines via ARC_MAX_CACHE_SHIFT ARC: cache: check cache configuration on each CPU ARC: cache: allow to autodetect L1 cache line size arch/arc/Kconfig | 10 +++ arch/arc/include/asm/cache.h | 20 ++++-- arch/arc/lib/memset-archs.S | 8 ++- arch/arc/mm/cache.c | 147 ++++++++++++++++++++++++++++++++----------- 4 files changed, 141 insertions(+), 44 deletions(-) -- 2.14.5 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-snps-arc
