Re: [PATCH v2 net-next 4/9] net: enetc: include MAC Merge / FP registers in register dump

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On Thu, Apr 20, 2023 at 04:38:00PM +0200, Simon Horman wrote:
> > +	if (hw->port && !!(priv->si->hw_features & ENETC_SI_F_QBU))
> 
> nit: I think you could make the condition.
> 
> 	if (hw->port && priv->si->hw_features & ENETC_SI_F_QBU)
> 
> which would be consistent with the condition in the next hunk.
> 
> > +	if (priv->si->hw_features & ENETC_SI_F_QBU) {

Maybe, but it generates the exact same object code (tested with
"make drivers/net/ethernet/freescale/enetc/enetc_ethtool.lst").

When I'm debugging, I'm a bit of a conspiracy theorist when it comes
to operator precedence (& vs &&), and so, "A && B & C" doesn't read
particularly well to me, and would be one of my first suspects at
hiding a bug. I do know it would have worked in this case though,
and that modern gcc/clang usually complains about suspicious/
unintuitive precedence.



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