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SubjectRe: [net-next PATCH v4 07/15] net: mdiobus: Introduce fwnode_mdiobus_register_phy()
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"}
> }
> })
> } // 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

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