From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.gmx.net (mout.gmx.net [212.227.17.22]) (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 D61F337C92A; Sat, 19 Sep 2026 07:08:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.17.22 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789801715; cv=none; b=Qq6oSbSfz6k0wjVwIC9ZoDmz4aqyKzF7MX7uJTe/iJQoPzFc0b/QGp+kAV60sILm42JJls9L4Ulh0N2Oaq4twTWlCsN4FgvQZ87SU9oJJ8sHvX6ixv1JSUkYqDp47JvVnTURwj97apRv89ch5b2PLVDmGFh9Wa98DlE+hDzc8iU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789801715; c=relaxed/simple; bh=tVg7cYLlFFW0Q80Il5cGDuD6WH0A4OjX5Q8Ten5PIuk=; h=From:To:References:In-Reply-To:Subject:Date:Message-ID: MIME-Version:Content-Type; b=YZuFyrS/Eg+AwwlVj1dKFOoDC8/R2WRaSNuVGNDfVLAR1OTInFHqIE4JmkIOhFRBN2+yyN/SzsHBEcfA4XnKjRH0v8K9mXTPfj/mroGCI/zsOjoHOYFKBNaW7qA/9kRiaghBdCLGobHKMd4YFaVdFapiMsQMxgHlRZnEBcqzZ1M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.de; spf=pass smtp.mailfrom=gmx.de; dkim=pass (2048-bit key) header.d=gmx.de header.i=markus.stockhausen@gmx.de header.b=tTIDKaaP; arc=none smtp.client-ip=212.227.17.22 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmx.de header.i=markus.stockhausen@gmx.de header.b="tTIDKaaP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmx.de; s=s31663417; t=1789801702; x=1790406502; i=markus.stockhausen@gmx.de; bh=tVg7cYLlFFW0Q80Il5cGDuD6WH0A4OjX5Q8Ten5PIuk=; h=X-UI-Sender-Class:From:To:References:In-Reply-To:Subject:Date: Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:cc: content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=tTIDKaaP3ECJELn0uxG8OFYN9mbY9LaR+IWn3HRIVPDfDBg0w7MN/Kb0+dJSHTiv 9fYsICS1f0QdaVrsL94CjYBoqeElYMjOuTkkiSM2xOrZDVSTkTR3YWArTygWIqjvT d516rzecWHKagC6IR9Z0eHumMdGZlWRuc7UnHJIfj4hOEikkuYFBhivMaVYCLqGGy el69aPTT/edQ8Rjy7+C0F1nC6GDhVHc/MdzH7LDnKR7Yxbv+TClcGyJUlyJR0+Rsc fyrLxyu6v0WS1mPRO5kmNCn/X7hogNd1HncoC9a838VDJHzWo9winxcAzc2mQW9IS hXAfrHc0lvcVxy8Mzw== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from client.hidden.invalid by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1McpNy-1wYDRv2xhy-00l8Oe; Sat, 19 Sep 2026 09:08:21 +0200 From: "Markus Stockhausen" To: "'Jonas Jelonek'" , "'Andrew Lunn'" , "'Heiner Kallweit'" , "'Russell King'" , "'David S . Miller'" , "'Eric Dumazet'" , "'Jakub Kicinski'" , "'Paolo Abeni'" , , References: <20260918211955.3955777-1-jonas@jonasjelonek.de> In-Reply-To: <20260918211955.3955777-1-jonas@jonasjelonek.de> Subject: AW: [PATCH net] net: mdio: realtek-rtl9300: fix RTL931x C22 extended page selection Date: Sat, 19 Sep 2026 09:08:19 +0200 Message-ID: <004e01dd4805$a804b4e0$f80e1ea0$@gmx.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQGY5yhDeQ9Lb9A0Fd7F5oOf2yV1ardePEqw Content-Language: de X-Provags-ID: V03:K1:2fwPd3nGwiQNAmTCfKLgu8qtNRhiJiGf1VsEzr4UdjBC3qQVeXu AdQpI43zgykz9gfv38rkuI3jruYpxPnh05dPv6A5dbUAae+Hz0B8CiFA2oMpNDOitYJfaci OEanZsNevwUY4fdIacisSMZsIPMrw7dL09u8VZuxayGzhoIyHxyb0h0xAveDyUswNY+4NgK iDRY+ooryT7lNG5HiEoiQ== X-Spam-Flag: NO UI-OutboundReport: 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September 2026 23:20 > Betreff: [PATCH net] net: mdio: realtek-rtl9300: fix RTL931x C22 extende= d page selection > > The RTL931x indirect access engine has a separate nine-bit extended page > field. The driver leaves it at zero, and otto_emdio_run_cmd() therefore > programs extended page zero for every Clause 22 transaction. This > overrides page selection made through PHY register 30, causing accesses > to private PHY pages to hit extended page zero instead. > > Set the field to its 0x1ff "do not change" value for RTL931x Clause 22 > reads and writes. This preserves extended page selection made through > PHY register 30 and restores access to its private register pages. > > Fixes: 5ebdcac59aff ("net: mdio: realtek-rtl9300: Add support for RTL931x") > Signed-off-by: Jonas Jelonek Acked-by: Markus Stockhausen