From nobody Wed Dec 24 19:49:43 2025 Received: from smtp.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D3634823D5; Tue, 23 Jan 2024 18:30:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=140.211.166.183 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706034610; cv=none; b=FjiIDX+SYnoGDZ7I1kAmKDFSbSpwEByndTi3VIZ3cQCqf1YNOSGvCo6l6cOU9qkBxn11EjsmNRUc29e9iWqW+vsskGmUK5qH4EdAkRRoM4KzIRUuv6WSQqRwgGdDrN73LbMwp5OSHjA0eype/NHr5pYr9rqi6Lmk3k+rEXniSFU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706034610; c=relaxed/simple; bh=8i78LrYAny+ucwGZHvYyL/nhtG4lVxGC0FsadYuuP2Y=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=WYhdsD3WX95lxpdDUyDtm2A2VOLEPM3AJEHRpdHJOZ/wmx9Yz+mAo06vCPsJoOhS5AO6p1PrtkTywmptw8s71esQDqlHJ4b5n6Bo8Qd542H5iyUKBbNQmnNdpfg4ZCxf38ISypZFlJj7iLTe1TBXE169/F5Pdi4a6Ia26M5E/cY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org; spf=pass smtp.mailfrom=gentoo.org; arc=none smtp.client-ip=140.211.166.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gentoo.org From: Conrad Kostecki To: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Cc: dlemoal@kernel.org, hdegoede@redhat.com Subject: [PATCH] ahci: asm1166: correct count of reported ports Date: Tue, 23 Jan 2024 19:30:02 +0100 Message-ID: <20240123183002.15499-1-conikost@gentoo.org> X-Mailer: git-send-email 2.43.0 Reply-To: linux-ide@vger.kernel.org Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The ASM1166 SATA host controller always reports wrongly, that it has 32 ports. But in reality, it only has six ports. This seems to be a hardware issue, as all tested ASM1166 SATA host controllers reports such high count of ports. Example output: ahci 0000:09:00.0: AHCI 0001.0301 32 slots 32 ports 6 Gbps 0xffffff3f impl SATA mode. By adjusting the port_map, the count is limited to six ports. New output: ahci 0000:09:00.0: AHCI 0001.0301 32 slots 32 ports 6 Gbps 0x3f impl SATA mode. Closes: https://bugzilla.kernel.org/show_bug.cgi?id=3D211873 Closes: https://bugzilla.kernel.org/show_bug.cgi?id=3D218346 Signed-off-by: Conrad Kostecki Reviewed-by: Hans de Goede --- drivers/ata/ahci.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 3a5f3255f51b..762c5d8b7c1a 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -663,6 +663,11 @@ MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM polic= y for mobile chipsets"); static void ahci_pci_save_initial_config(struct pci_dev *pdev, struct ahci_host_priv *hpriv) { + if (pdev->vendor =3D=3D PCI_VENDOR_ID_ASMEDIA && pdev->device =3D=3D 0x11= 66) { + dev_info(&pdev->dev, "ASM1166 has only six ports\n"); + hpriv->saved_port_map =3D 0x3f; + } + if (pdev->vendor =3D=3D PCI_VENDOR_ID_JMICRON && pdev->device =3D=3D 0x23= 61) { dev_info(&pdev->dev, "JMB361 has only one port\n"); hpriv->saved_port_map =3D 1; --=20 2.43.0