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 230203AF648; Mon, 23 Mar 2026 14:04:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774274661; cv=none; b=IL3I9OZysXRKclk7xZngAJihyBwaQBgCGaZ31AV2d0NBDrLXqVP6WTFy6shpL8BXA70Ao0/OM3SbmuEK0mghTPyeznPNZ12u5QsaIsV/nFJ1Qfl1RXym9LcH1Dq7TN2SYIBS+xVi41ATAAfsw6RDnJbmRfB8i6R+v/68EukuWg8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774274661; c=relaxed/simple; bh=0XdK4ukVtrZ4GrIunfwN9TarbEoj0psg0M9XYlRJxBw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=K++1KDVUUy45Q8L7wtj4xGJWJyp2nM3lQfLd3InIHseB5e523vauQ3CyEkprKjs6pFc2uV3ktPhw1aAA/Y0ABqLLDKv/dD/XEIUcIqFZ3ou35AvM10a1EmIGuCTO1b/XF+b6FTQHdj/LPeo1lBuIrz6u9WFYxhmwOnLxDiY+Qco= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=qc+d4pbn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="qc+d4pbn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 925EFC4CEF7; Mon, 23 Mar 2026 14:04:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1774274661; bh=0XdK4ukVtrZ4GrIunfwN9TarbEoj0psg0M9XYlRJxBw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qc+d4pbnhVSlX2OqUIGxG0f/WuSqZsY3Ez3W5ux8Pl+SKwY4DRxcF7ABRWj8wa58R KY0ClOmOevvsINMCyrZHvxv82BqG0Jh3sWxYVyuhmaLOn72xtdo+bAELMHpewg7T1r nZtmFUk2u8YeQpaKNlWWgfz22Pv0qpCw91NsdhFs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Martin=20Roukala=20 ?= , stable Subject: [PATCH 6.18 067/212] serial: 8250_pci: add support for the AX99100 Date: Mon, 23 Mar 2026 14:44:48 +0100 Message-ID: <20260323134505.889628485@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260323134503.770111826@linuxfoundation.org> References: <20260323134503.770111826@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Martin Roukala (né Peres) commit 9c0072bc33d349c83d223e64be30794e11938a6b upstream. This is found in popular brands such as StarTech.com or Delock, and has been a source of frustration to quite a few people, if I can trust Amazon comments complaining about Linux support via the official out-of-the-tree driver. Signed-off-by: Martin Roukala (né Peres) Cc: stable Link: https://patch.msgid.link/20260309-8250_pci_ax99100-v1-1-3328bdfd8e94@mupuf.org Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/8250/8250_pci.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -137,6 +137,8 @@ struct serial_private { }; #define PCI_DEVICE_ID_HPE_PCI_SERIAL 0x37e +#define PCIE_VENDOR_ID_ASIX 0x125B +#define PCIE_DEVICE_ID_AX99100 0x9100 static const struct pci_device_id pci_use_msi[] = { { PCI_DEVICE_SUB(PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900, @@ -149,6 +151,8 @@ static const struct pci_device_id pci_us 0xA000, 0x1000) }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_HP_3PAR, PCI_DEVICE_ID_HPE_PCI_SERIAL, PCI_ANY_ID, PCI_ANY_ID) }, + { PCI_DEVICE_SUB(PCIE_VENDOR_ID_ASIX, PCIE_DEVICE_ID_AX99100, + 0xA000, 0x1000) }, { } }; @@ -912,6 +916,7 @@ static int pci_netmos_init(struct pci_de case PCI_DEVICE_ID_NETMOS_9912: case PCI_DEVICE_ID_NETMOS_9922: case PCI_DEVICE_ID_NETMOS_9900: + case PCIE_DEVICE_ID_AX99100: num_serial = pci_netmos_9900_numports(dev); break; @@ -2547,6 +2552,14 @@ static struct pci_serial_quirk pci_seria .init = pci_netmos_init, .setup = pci_netmos_9900_setup, }, + { + .vendor = PCIE_VENDOR_ID_ASIX, + .device = PCI_ANY_ID, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .init = pci_netmos_init, + .setup = pci_netmos_9900_setup, + }, /* * EndRun Technologies */ @@ -6068,6 +6081,10 @@ static const struct pci_device_id serial 0xA000, 0x3002, 0, 0, pbn_NETMOS9900_2s_115200 }, + { PCIE_VENDOR_ID_ASIX, PCIE_DEVICE_ID_AX99100, + 0xA000, 0x1000, + 0, 0, pbn_b0_1_115200 }, + /* * Best Connectivity and Rosewill PCI Multi I/O cards */