diff options
Diffstat (limited to 'arch/riscv/mm/pmem.c')
| -rw-r--r-- | arch/riscv/mm/pmem.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/arch/riscv/mm/pmem.c b/arch/riscv/mm/pmem.c index 089df92ae876..370a422ede11 100644 --- a/arch/riscv/mm/pmem.c +++ b/arch/riscv/mm/pmem.c @@ -7,15 +7,28 @@ #include <linux/libnvdimm.h> #include <asm/cacheflush.h> +#include <asm/dma-noncoherent.h> void arch_wb_cache_pmem(void *addr, size_t size) { - ALT_CMO_OP(clean, addr, size, riscv_cbom_block_size); +#ifdef CONFIG_RISCV_NONSTANDARD_CACHE_OPS + if (unlikely(noncoherent_cache_ops.wback)) { + noncoherent_cache_ops.wback(virt_to_phys(addr), size); + return; + } +#endif + ALT_CMO_OP(CLEAN, addr, size, riscv_cbom_block_size); } EXPORT_SYMBOL_GPL(arch_wb_cache_pmem); void arch_invalidate_pmem(void *addr, size_t size) { - ALT_CMO_OP(inval, addr, size, riscv_cbom_block_size); +#ifdef CONFIG_RISCV_NONSTANDARD_CACHE_OPS + if (unlikely(noncoherent_cache_ops.inv)) { + noncoherent_cache_ops.inv(virt_to_phys(addr), size); + return; + } +#endif + ALT_CMO_OP(INVAL, addr, size, riscv_cbom_block_size); } EXPORT_SYMBOL_GPL(arch_invalidate_pmem); |