diff options
Diffstat (limited to 'arch/riscv/include/asm/cacheflush.h')
| -rw-r--r-- | arch/riscv/include/asm/cacheflush.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/cacheflush.h b/arch/riscv/include/asm/cacheflush.h index a60acaecfeda..8a5c246b0a21 100644 --- a/arch/riscv/include/asm/cacheflush.h +++ b/arch/riscv/include/asm/cacheflush.h @@ -42,6 +42,11 @@ void flush_icache_mm(struct mm_struct *mm, bool local); #endif /* CONFIG_SMP */ +/* + * The T-Head CMO errata internally probe the CBOM block size, but otherwise + * don't depend on Zicbom. + */ +extern unsigned int riscv_cbom_block_size; #ifdef CONFIG_RISCV_ISA_ZICBOM void riscv_init_cbom_blocksize(void); #else @@ -50,6 +55,8 @@ static inline void riscv_init_cbom_blocksize(void) { } #ifdef CONFIG_RISCV_DMA_NONCOHERENT void riscv_noncoherent_supported(void); +#else +static inline void riscv_noncoherent_supported(void) {} #endif /* |