Re: [PATCH net-next 7/9] net: phy: enable qoriq backplane support

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On Thu, 2020-03-26 at 21:13 +0100, Andrew Lunn wrote:
> > > +static int qoriq_backplane_config_init(struct phy_device *bpphy)
> > > +{
> > []
> > > +	for (i = 0; i < bp_phy->num_lanes; i++) {
> > []
> > > +		ret = of_address_to_resource(lane_node, 0, &res);
> > > +		if (ret) {
> > > +			bpdev_err(bpphy,
> > > +				  "could not obtain lane memory map for index=%d, ret = %d\n",
> > > +				  i, ret);
> > > +			return ret;
> > 
> > This could use the new vsprintf %pe extension:
> 
> Hi Joe

Hello Andrew.

> Probably a FAQ. But is there plans to extend vsprintf to take an int
> errno value, rather than having to do this ugly ERR_PTR(ret) every
> time? Format string %de ?

Uwe Kleine-König proposed one a couple times.

https://lkml.org/lkml/2019/8/27/1456

Though I believe one %<type><extra> extension mechanism
in vsprintf is enough.  At least the %p<foo> use is
unlikely to ever have desired but dropped output after
an output of %p.  It seems less true for %[diux].







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