Re: [RFC net-next v2 3/5] net: phy: nxp-c45-tja11xx add MACsec support

[Radu Pirea (OSS)]

On 25.08.2023 16:29, Andrew Lunn wrote:

> > > +static bool nxp_c45_rx_sc_valid(struct nxp_c45_secy *phy_secy,
> > > +				struct macsec_rx_sc *rx_sc)
> > > +{
> > > +	u16 port =  (__force u64)rx_sc->sci >> (ETH_ALEN * 8);
> >
> > u64 sci = be64_to_cpu((__force __be64)rx_sc->sci);
>
> why is the __force needed? What happens with a normal cast?

Sparse will print warnings if __force is missing.

>      Andrew

--
Radu P.