Re: [PATCH v5 2/6] PCI: spacemit-k1: Add multiple PHY handles support

From: Andy Shevchenko

Date: Wed Sep 09 2026 - 10:53:06 EST


On Wed, Sep 09, 2026 at 04:00:15PM +0800, Inochi Amaoto wrote:
> On Tue, Sep 08, 2026 at 01:29:27PM +0300, Andy Shevchenko wrote:
> > On Mon, Sep 07, 2026 at 07:26:01PM +0800, Inochi Amaoto wrote:

...


> > > + count = devm_of_phy_bulk_get_all(dev, node, &k1->phys);
> > > + if (count < 0)
> > > + return count;
> > > + if (count == 0 || count > data->max_phy_count)
> > > + return -EINVAL;
> >
> > Elsewhere we distinguish count == 0 with -ENOENT.
>
> Is there is an example? I think it is suitable for its internal check
> to translate -ENOENT to count 0, because no phys property means no
> phy. For a get helper with optional semantics. I think it is fine
> to return 0.

This the brief list of what I roughly grepped with word "count" in the name.

gpiod_count()
of_hte_req_count()
i2c_acpi_resource_count()
ice_sriov_set_msix_vec_count()
reset_control_get_count()

--
With Best Regards,
Andy Shevchenko