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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , Heiner Kallweit , Russell King , linux-kernel@vger.kernel.org (open list), Justin Chen Subject: [PATCH net-next 2/3] net: bcmgenet: Pass "main" clock down to the MDIO driver Date: Fri, 16 Feb 2024 10:42:36 -0800 Message-Id: <20240216184237.259954-3-florian.fainelli@broadcom.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240216184237.259954-1-florian.fainelli@broadcom.com> References: <20240216184237.259954-1-florian.fainelli@broadcom.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1791097226603197075 X-GMAIL-MSGID: 1791102795431822424 GENET has historically had to create a MDIO platform device for its controller and pass some auxiliary data to it, like a MDIO completion callback. Now we also pass the "main" clock to allow for the MDIO bus controller to manage that clock adequately around I/O accesses. Signed-off-by: Florian Fainelli --- drivers/net/ethernet/broadcom/genet/bcmmii.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index cbbe004621bc..7a21950da77c 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -476,6 +476,10 @@ static int bcmgenet_mii_register(struct bcmgenet_priv *priv) ppd.wait_func = bcmgenet_mii_wait; ppd.wait_func_data = priv; ppd.bus_name = "bcmgenet MII bus"; + /* Pass a reference to our "main" clock which is used for MDIO + * transfers + */ + ppd.clk = priv->clk; /* Unimac MDIO bus controller starts at UniMAC offset + MDIO_CMD * and is 2 * 32-bits word long, 8 bytes total.