Messages in this thread | | | Date | Sat, 11 Dec 2021 22:07:49 +0100 | From | Andrew Lunn <> | Subject | Re: [PATCH v4 4/7] net: phy: Add 10BASE-T1L support in phy-c45 |
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> + ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_EXTABLE); > + if (ret < 0) > + return ret; > + > + if (ret & MDIO_PMA_EXTABLE_BT1)
This pattern of reading the MDIO_PMA_EXTABLE register and then looking for bit MDIO_PMA_EXTABLE_BT1 happens a lot. It is not something which is expected to change is it? So i wounder if it should be read once and stored away?
Andrew
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