diff options
Diffstat (limited to 'bsp/meta-synopsys/recipes-kernel/linux/linux-arc/4003-ARC-cache-ops-add-assertions.patch')
| -rw-r--r-- | bsp/meta-synopsys/recipes-kernel/linux/linux-arc/4003-ARC-cache-ops-add-assertions.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/4003-ARC-cache-ops-add-assertions.patch b/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/4003-ARC-cache-ops-add-assertions.patch new file mode 100644 index 00000000..3c208e39 --- /dev/null +++ b/bsp/meta-synopsys/recipes-kernel/linux/linux-arc/4003-ARC-cache-ops-add-assertions.patch @@ -0,0 +1,42 @@ +From cfe4c0df27e2426ccad67250319283bb68bec6e9 Mon Sep 17 00:00:00 2001 +From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> +Date: Tue, 18 Dec 2018 14:02:27 +0300 +Subject: [PATCH 3/3] ARC: cache-ops: add assertions + +Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> +--- + arch/arc/mm/cache.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c +index b4e2e1e2b50e..2d6ee1962dbc 100644 +--- a/arch/arc/mm/cache.c ++++ b/arch/arc/mm/cache.c +@@ -880,18 +880,24 @@ static void __dma_cache_wback_l1(phys_addr_t start, unsigned long sz) + */ + static void __dma_cache_wback_inv_slc(phys_addr_t start, unsigned long sz) + { ++ BUG_ON(upper_32_bits(start)); ++ + __dc_line_op_k(start, sz, OP_FLUSH_N_INV); + slc_op(start, sz, OP_FLUSH_N_INV); + } + + static void __dma_cache_inv_slc(phys_addr_t start, unsigned long sz) + { ++ BUG_ON(upper_32_bits(start)); ++ + __dc_line_op_k(start, sz, OP_INV); + slc_op(start, sz, OP_INV); + } + + static void __dma_cache_wback_slc(phys_addr_t start, unsigned long sz) + { ++ BUG_ON(upper_32_bits(start)); ++ + __dc_line_op_k(start, sz, OP_FLUSH); + slc_op(start, sz, OP_FLUSH); + } +-- +2.14.5 + |