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 C35603A960E; Mon, 23 Mar 2026 16:20:23 +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=1774282823; cv=none; b=f14O+Vn+j3Q9GZvjBc6Tw5a5ZAhGZ5amM/Xu5RZRIB6kNs8/MRsAACBA94Bg155+s/3zV/3F7ypiLOcLukHHlqi7IHFbGVaV8aAQzavhzeSkFFSgqK8ztWDyjukN5IU0wYU1kmRf/wWFod7cDrD3LaGo8XiNHt62+BzIk4gFXKU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774282823; c=relaxed/simple; bh=0JeTYh5DAI3rpBm4zcATVmub6TmZex+tBm9Xb01DFgc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=uQpPA+6jA3gwHRr9rq6vLsu9yyrCNG9N963j0nnVtlIWaJQhBtuPliAr09PjRfM5hFTXfEa2RzYykm60dMeRAkNUhRoxwZZlkrQ0g7r23BqCWNqT1dwi/GWoersskqlfUbiSdKcD/e6BmPX+PEocO1EJuKyrf+AyTMxTThpyHnA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=0mOYgvEw; 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="0mOYgvEw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5D270C4CEF7; Mon, 23 Mar 2026 16:20:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1774282823; bh=0JeTYh5DAI3rpBm4zcATVmub6TmZex+tBm9Xb01DFgc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0mOYgvEwjSvp8iCRjXW1swYnwXrzMHeelhkbDyGAFS3TPh61VvEpgiAd6mtAt25GQ 16bnrTteKJdbzyWv3OTDJJMfNtIteRa2PDcJeECa7EYvJ9GIHnEX7RRyMaKm2XQmNu fMtY7lHjVdF7fSpS5hVKIIoVHMWf1mXhabkpeTzU= 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 6.1 299/481] serial: 8250_pci: add support for the AX99100 Date: Mon, 23 Mar 2026 14:44:41 +0100 Message-ID: <20260323134532.401283452@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260323134525.256603107@linuxfoundation.org> References: <20260323134525.256603107@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 6.1-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 @@ -58,6 +58,8 @@ 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, @@ -70,6 +72,8 @@ 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) }, { } }; @@ -854,6 +858,7 @@ 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; @@ -2416,6 +2421,14 @@ 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 */ @@ -5960,6 +5973,10 @@ 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 */