From patchwork Mon Jul 1 08:51:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Romain Gantois X-Patchwork-Id: 13717677 X-Patchwork-Delegate: kuba@kernel.org Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [217.70.183.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C97B7126F02; Mon, 1 Jul 2024 08:50:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.198 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719823849; cv=none; b=uNLXuhOVjjvY29+Cs5xPhOrg6a5tvDzVpFQzcGPKZqe16FN6EBfYlWfgJbm1O/btF6nYCDKbYnQKzWHB3WTNN4DKGtnK+KTVnLe7etwHDDc20dw0ev2rJmEgylpd4RfkOUME/OIj7fqU6OOiuucAaQ8BVlh3hkv4V1ZK5wvS9Vg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719823849; c=relaxed/simple; bh=4erFu/spT9FjrZekQ2U9iz8hr99jm+tE7VnqW8IDVLs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=NcwWw2aaPih8miJm09Y/A2Pk9+X//sHIDMCWgvxwctQRL+3h7XmYdzX8/8Dd+SJlaXxWaeBF+zbvO9HI5ZKS1tUEjtVLSGfi0MsoAK+R0RXicyDJBP+ctOE2ULDI2UULMHfh9BlOjj4Ec8QKTG8BlkoUVCwcC+u8vg483leIEDI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=GxOKHRw6; arc=none smtp.client-ip=217.70.183.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="GxOKHRw6" Received: by mail.gandi.net (Postfix) with ESMTPSA id 0D52BC0004; Mon, 1 Jul 2024 08:50:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1719823845; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zn0q+gZqrKKeF19k9TKaX7hCYo/kcK3UWiKgxWYe21c=; b=GxOKHRw6nyjpfFNCwjheFQHkEkQJKFcK0eoOsjcB0KVSy8MQUl6/PaVMqWy27NjhTBnLXT gRqiV/Soa6R7lcL5Rd6vrZsgwj7TIQcP28EhsQ92/4IBueOcs4+atBmaCJsvexKzWUAyH9 2agXzxrDRQagSLvWKz03+mILx71siCOYPSbsbrTWlkTsTzf/voXQ5bMpBKcVsmsn4kOQqg JkHRtw9egjXuwxVHYxnPrnsxbpYagm27Pe8FpzxvAyGRU+hDjSPIBlrxeZYgKyN4SZtg06 Ufodxg+hdaKLTureOdCIBSk6agaCyS1pxY39NW2R/oF0pyIkhoMuNNDTCK6EeA== From: Romain Gantois Date: Mon, 01 Jul 2024 10:51:04 +0200 Subject: [PATCH net-next 2/6] net: phy: dp83869: Perform software restart after configuring op mode Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240701-b4-dp83869-sfp-v1-2-a71d6d0ad5f8@bootlin.com> References: <20240701-b4-dp83869-sfp-v1-0-a71d6d0ad5f8@bootlin.com> In-Reply-To: <20240701-b4-dp83869-sfp-v1-0-a71d6d0ad5f8@bootlin.com> To: Andrew Lunn , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Thomas Petazzoni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Romain Gantois X-Mailer: b4 0.14.0 X-GND-Sasl: romain.gantois@bootlin.com X-Patchwork-Delegate: kuba@kernel.org The DP83869 PHY requires a software restart after OP_MODE is changed in the OP_MODE_DECODE register. Add this restart in dp83869_configure_mode(). Signed-off-by: Romain Gantois --- drivers/net/phy/dp83869.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index f6b05e3a3173e..6bb9bb1c0e962 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -786,6 +786,10 @@ static int dp83869_configure_mode(struct phy_device *phydev, return -EINVAL; } + ret = phy_write(phydev, DP83869_CTRL, DP83869_SW_RESTART); + + usleep_range(10, 20); + return ret; }