diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/common.h')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/common.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 6d2de4e01f6d..5bd4c0549a73 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -44,6 +44,7 @@ #define DWMAC_CORE_4_00 0x40 #define STMMAC_CHAN0 0 /* Always supported and default for all chips */ +/* These need to be power of two, and >= 4 */ #define DMA_TX_SIZE 512 #define DMA_RX_SIZE 512 #define STMMAC_GET_ENTRY(x, size) ((x + 1) & (size - 1)) |