MCP251XFD_RAM_START
err = regmap_raw_write(priv->map_reg, MCP251XFD_RAM_START, ram,
.base = MCP251XFD_RAM_START,
MCP251XFD_RAM_SIZE - (base - MCP251XFD_RAM_START));
ram_used = base - MCP251XFD_RAM_START;
fifo_ua -= ring->base - MCP251XFD_RAM_START;
regmap_reg_range(MCP251XFD_RAM_START,
MCP251XFD_RAM_START + MCP251XFD_RAM_SIZE - 4);
return MCP251XFD_RAM_START +