diff options
| -rw-r--r-- | drivers/net/rtl8169.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/rtl8169.c b/drivers/net/rtl8169.c index dcba515..34e4cff 100644 --- a/drivers/net/rtl8169.c +++ b/drivers/net/rtl8169.c @@ -311,10 +311,12 @@ static unsigned char rxdata[RX_BUF_LEN]; * * This can be fixed by defining CONFIG_SYS_NONCACHED_MEMORY which will cause * the driver to allocate descriptors from a pool of non-cached memory. + * + * Hardware maintain D-cache coherency in RISC-V architecture. */ #if RTL8169_DESC_SIZE < ARCH_DMA_MINALIGN #if !defined(CONFIG_SYS_NONCACHED_MEMORY) && \ - !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) && !defined(CONFIG_X86) + !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) && !defined(CONFIG_X86) && !defined(CONFIG_RISCV) #warning cache-line size is larger than descriptor size #endif #endif |