From: Christian Marangi Date: Sat, 23 Aug 2025 13:44:28 +0000 (+0200) Subject: net: phy: introduce phy_id_compare_vendor() PHY ID helper X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1abe21ef1adf0c5b6dbb5878c2fa4573df8d29fc;p=thirdparty%2Fkernel%2Fstable.git net: phy: introduce phy_id_compare_vendor() PHY ID helper Introduce phy_id_compare_vendor() PHY ID helper to compare a PHY ID with the PHY ID Vendor using the generic PHY ID Vendor mask. While at it also rework the PHY_ID_MATCH macro and move the mask to dedicated define so that PHY driver can make use of the mask if needed. Signed-off-by: Christian Marangi Reviewed-by: Andrew Lunn Link: https://patch.msgid.link/20250823134431.4854-1-ansuelsmth@gmail.com Signed-off-by: Jakub Kicinski --- diff --git a/include/linux/phy.h b/include/linux/phy.h index 4c2b8b6e71879..b670797964020 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1268,9 +1268,13 @@ struct phy_driver { #define to_phy_driver(d) container_of_const(to_mdio_common_driver(d), \ struct phy_driver, mdiodrv) -#define PHY_ID_MATCH_EXACT(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 0) -#define PHY_ID_MATCH_MODEL(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 4) -#define PHY_ID_MATCH_VENDOR(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 10) +#define PHY_ID_MATCH_EXTACT_MASK GENMASK(31, 0) +#define PHY_ID_MATCH_MODEL_MASK GENMASK(31, 4) +#define PHY_ID_MATCH_VENDOR_MASK GENMASK(31, 10) + +#define PHY_ID_MATCH_EXACT(id) .phy_id = (id), .phy_id_mask = PHY_ID_MATCH_EXTACT_MASK +#define PHY_ID_MATCH_MODEL(id) .phy_id = (id), .phy_id_mask = PHY_ID_MATCH_MODEL_MASK +#define PHY_ID_MATCH_VENDOR(id) .phy_id = (id), .phy_id_mask = PHY_ID_MATCH_VENDOR_MASK /** * phy_id_compare - compare @id1 with @id2 taking account of @mask @@ -1286,6 +1290,19 @@ static inline bool phy_id_compare(u32 id1, u32 id2, u32 mask) return !((id1 ^ id2) & mask); } +/** + * phy_id_compare_vendor - compare @id with @vendor mask + * @id: PHY ID + * @vendor_mask: PHY Vendor mask + * + * Return: true if the bits from @id match @vendor using the + * generic PHY Vendor mask. + */ +static inline bool phy_id_compare_vendor(u32 id, u32 vendor_mask) +{ + return phy_id_compare(id, vendor_mask, PHY_ID_MATCH_VENDOR_MASK); +} + /** * phydev_id_compare - compare @id with the PHY's Clause 22 ID * @phydev: the PHY device