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From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Fri, 5 Feb 2021 20:41:24 +0200
Message-ID: <CAHp75VdEjNhj5oQTqnnOhnibBAa2CoHf1PAvJi57X0d-6LC3NQ@mail.gmail.com>
Subject: Re: [net-next PATCH v4 07/15] net: mdiobus: Introduce fwnode_mdiobus_register_phy()
To:     Calvin Johnson <calvin.johnson@oss.nxp.com>
Cc:     Grant Likely <grant.likely@arm.com>,
        "Rafael J . Wysocki" <rafael@kernel.org>,
        Jeremy Linton <jeremy.linton@arm.com>,
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        Russell King - ARM Linux admin <linux@armlinux.org.uk>,
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        Florin Laurentiu Chiculita <florinlaurentiu.chiculita@nxp.com>,
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        Jon <jon@solid-run.com>, Saravana Kannan <saravanak@google.com>,
        Randy Dunlap <rdunlap@infradead.org>,
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On Fri, Feb 5, 2021 at 8:25 PM Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
> On Fri, Feb 5, 2021 at 7:25 PM Calvin Johnson
> <calvin.johnson@oss.nxp.com> wrote:
> > On Fri, Jan 22, 2021 at 09:12:52PM +0530, Calvin Johnson wrote:
>
> ...
>
> > > +     rc = fwnode_property_match_string(child, "compatible", "ethernet-phy-ieee802.3-c45");
> > With ACPI, I'm facing some problem with fwnode_property_match_string(). It is
> > unable to detect the compatible string and returns -EPROTO.
> >
> > ACPI node for PHY4 is as below:
> >
> >  Device(PHY4) {
> >     Name (_ADR, 0x4)
> >     Name(_CRS, ResourceTemplate() {
> >     Interrupt(ResourceConsumer, Level, ActiveHigh, Shared)
> >     {
> >       AQR_PHY4_IT
> >     }
> >     }) // end of _CRS for PHY4
> >     Name (_DSD, Package () {
> >       ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
> >         Package () {

> >           Package () {"compatible", "ethernet-phy-ieee802.3-c45"}

I guess converting this to
           Package () {"compatible", Package() {"ethernet-phy-ieee802.3-c45"}}
will solve it.

> >        }

> >     })
> >   } // end of PHY4
> >
> >  What is see is that in acpi_data_get_property(),
> > propvalue->type = 0x2(ACPI_TYPE_STRING) and type = 0x4(ACPI_TYPE_PACKAGE).
> >
> > Any help please?
> >
> > fwnode_property_match_string() works fine for DT.
>
> Can you show the DT node which works and also input for the
> )match_string() (i.o.w what exactly you are trying to match with)?
>
> --
> With Best Regards,
> Andy Shevchenko


-- 
With Best Regards,
Andy Shevchenko