Re: [PATCH v3 net-next 05/10] phy: add phy_get_rx_polarity() and phy_get_tx_polarity()

[Vladimir Oltean <vladimir.oltean@nxp.com>]

Hi Geert,

On Thu, Feb 26, 2026 at 02:22:29PM +0100, Geert Uytterhoeven wrote:
> > +config PHY_COMMON_PROPS
> > +       bool
> > +       help
> > +         This parses properties common between generic PHYs and Ethernet PHYs.
> > +
> > +         Select this from consumer drivers to gain access to helpers for
> > +         parsing properties from the
> > +         Documentation/devicetree/bindings/phy/phy-common-props.yaml schema.
> > +
> > +config PHY_COMMON_PROPS_TEST
> > +       tristate "KUnit tests for PHY common props" if !KUNIT_ALL_TESTS
> > +       select PHY_COMMON_PROPS
> 
> This select means that enabling KUNIT_ALL_TESTS also enables extra
> functionality, which may not be desirable in a production system.
> As PHY_COMMON_PROPS is bool, this extra functionality is even part of
> the base kernel if KUNIT_ALL_TESTS=m.  Unfortunately PHY_COMMON_PROPS is
> invisible, so this cannot just be changed from "select" to "depends on".
> But perhaps PHY_COMMON_PROPS can be made visible if KUNIT_ALL_TESTS,
> so the select can be turned into a dependency?

Is this what you're asking for?

-- >8 --
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 02467dfd4fb0..1875d5b784f6 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -6,7 +6,7 @@
 menu "PHY Subsystem"
 
 config PHY_COMMON_PROPS
-	bool
+	bool "PHY common properties" if KUNIT_ALL_TESTS
 	help
 	  This parses properties common between generic PHYs and Ethernet PHYs.
 
@@ -16,8 +16,7 @@ config PHY_COMMON_PROPS
 
 config PHY_COMMON_PROPS_TEST
 	tristate "KUnit tests for PHY common props" if !KUNIT_ALL_TESTS
-	select PHY_COMMON_PROPS
-	depends on KUNIT
+	depends on KUNIT && PHY_COMMON_PROPS
 	default KUNIT_ALL_TESTS
 	help
 	  This builds KUnit tests for the PHY common property API.
-- >8 --