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(p200300EA8BF1E200FC50D076BFA9DFFA.dip0.t-ipconnect.de. [2003:ea:8bf1:e200:fc50:d076:bfa9:dffa]) by smtp.googlemail.com with ESMTPSA id f13sm14396570wmh.41.2019.02.16.08.26.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 16 Feb 2019 08:26:54 -0800 (PST) Subject: [PATCH net-next v2 1/2] net: phy: add helper mii_10gbt_stat_mod_linkmode_lpa_t From: Heiner Kallweit To: Andrew Lunn , Florian Fainelli , David Miller Cc: "netdev@vger.kernel.org" References: Message-ID: Date: Sat, 16 Feb 2019 17:26:05 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Similar to the existing helpers for the Clause 22 registers add helper mii_10gbt_stat_mod_linkmode_lpa_t. Note that this helper is defined in linux/mdio.h, not like the Clause 22 helpers in linux/mii.h. Reason is that the Clause 45 register constants are defined in uapi/linux/mdio.h. And uapi/linux/mdio.h includes linux/mii.h before defining the C45 register constants. v2: - remove helpers that don't have users in this series Signed-off-by: Heiner Kallweit --- include/linux/mdio.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/include/linux/mdio.h b/include/linux/mdio.h index bfa711416..5b872c45f 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -261,6 +261,25 @@ static inline u16 ethtool_adv_to_mmd_eee_adv_t(u32 adv) return reg; } +/** + * mii_10gbt_stat_mod_linkmode_lpa_t + * @advertising: target the linkmode advertisement settings + * @adv: value of the C45 10GBASE-T AN STATUS register + * + * A small helper function that translates C45 10GBASE-T AN STATUS register bits + * to linkmode advertisement settings. Other bits in advertising aren't changed. + */ +static inline void mii_10gbt_stat_mod_linkmode_lpa_t(unsigned long *advertising, + u32 lpa) +{ + linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, + advertising, lpa & MDIO_AN_10GBT_STAT_LP2_5G); + linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, + advertising, lpa & MDIO_AN_10GBT_STAT_LP5G); + linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + advertising, lpa & MDIO_AN_10GBT_STAT_LP10G); +} + int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); -- 2.20.1