From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 261E38F57 for ; Mon, 13 Feb 2023 15:01:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8471CC4339B; Mon, 13 Feb 2023 15:01:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1676300471; bh=8hRMQ6bZQJsw02+QUUXFgA84wnwQFFFcs0e9GmSIC4k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MsJxwvUOQOFaG5zj08o+IuNXyf4/2DJCd2bfXdRy2eLOBuB2ZDstKXJC8Ms2c5BsU PLemIhuOATRCJxGRDupEDPaNIcDKANc9gIyTXKIvq7jB7aBQdX78z8Qrz3pS3yNZPm 1ar1OU0g78M4RWhPLbCkoFkAjXVMgcMieNNRdICU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Heiner Kallweit , Chris Healy , Jerome Brunet , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.10 026/139] net: phy: meson-gxl: Add generic dummy stubs for MMD register access Date: Mon, 13 Feb 2023 15:49:31 +0100 Message-Id: <20230213144747.021216619@linuxfoundation.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230213144745.696901179@linuxfoundation.org> References: <20230213144745.696901179@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Chris Healy [ Upstream commit afc2336f89dc0fc0ef25b92366814524b0fd90fb ] The Meson G12A Internal PHY does not support standard IEEE MMD extended register access, therefore add generic dummy stubs to fail the read and write MMD calls. This is necessary to prevent the core PHY code from erroneously believing that EEE is supported by this PHY even though this PHY does not support EEE, as MMD register access returns all FFFFs. Fixes: 5c3407abb338 ("net: phy: meson-gxl: add g12a support") Reviewed-by: Heiner Kallweit Signed-off-by: Chris Healy Reviewed-by: Jerome Brunet Link: https://lore.kernel.org/r/20230130231402.471493-1-cphealy@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/phy/meson-gxl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/phy/meson-gxl.c b/drivers/net/phy/meson-gxl.c index e8f2ca625837..f7a9e6599a64 100644 --- a/drivers/net/phy/meson-gxl.c +++ b/drivers/net/phy/meson-gxl.c @@ -245,6 +245,8 @@ static struct phy_driver meson_gxl_phy[] = { .config_intr = meson_gxl_config_intr, .suspend = genphy_suspend, .resume = genphy_resume, + .read_mmd = genphy_read_mmd_unsupported, + .write_mmd = genphy_write_mmd_unsupported, }, }; -- 2.39.0