tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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serial: 8250_pci: add support for the AX99100

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) <martin.roukala@mupuf.org>
Cc: stable <stable@kernel.org>
Link: https://patch.msgid.link/20260309-8250_pci_ax99100-v1-1-3328bdfd8e94@mupuf.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

authored by

Martin Roukala (né Peres) and committed by
Greg Kroah-Hartman 9c0072bc 455ce986

+17
+17
drivers/tty/serial/8250/8250_pci.c
··· 137 137 }; 138 138 139 139 #define PCI_DEVICE_ID_HPE_PCI_SERIAL 0x37e 140 + #define PCIE_VENDOR_ID_ASIX 0x125B 141 + #define PCIE_DEVICE_ID_AX99100 0x9100 140 142 141 143 static const struct pci_device_id pci_use_msi[] = { 142 144 { PCI_DEVICE_SUB(PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900, ··· 151 149 0xA000, 0x1000) }, 152 150 { PCI_DEVICE_SUB(PCI_VENDOR_ID_HP_3PAR, PCI_DEVICE_ID_HPE_PCI_SERIAL, 153 151 PCI_ANY_ID, PCI_ANY_ID) }, 152 + { PCI_DEVICE_SUB(PCIE_VENDOR_ID_ASIX, PCIE_DEVICE_ID_AX99100, 153 + 0xA000, 0x1000) }, 154 154 { } 155 155 }; 156 156 ··· 924 920 case PCI_DEVICE_ID_NETMOS_9912: 925 921 case PCI_DEVICE_ID_NETMOS_9922: 926 922 case PCI_DEVICE_ID_NETMOS_9900: 923 + case PCIE_DEVICE_ID_AX99100: 927 924 num_serial = pci_netmos_9900_numports(dev); 928 925 break; 929 926 ··· 2543 2538 */ 2544 2539 { 2545 2540 .vendor = PCI_VENDOR_ID_NETMOS, 2541 + .device = PCI_ANY_ID, 2542 + .subvendor = PCI_ANY_ID, 2543 + .subdevice = PCI_ANY_ID, 2544 + .init = pci_netmos_init, 2545 + .setup = pci_netmos_9900_setup, 2546 + }, 2547 + { 2548 + .vendor = PCIE_VENDOR_ID_ASIX, 2546 2549 .device = PCI_ANY_ID, 2547 2550 .subvendor = PCI_ANY_ID, 2548 2551 .subdevice = PCI_ANY_ID, ··· 6077 6064 { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900, 6078 6065 0xA000, 0x3002, 6079 6066 0, 0, pbn_NETMOS9900_2s_115200 }, 6067 + 6068 + { PCIE_VENDOR_ID_ASIX, PCIE_DEVICE_ID_AX99100, 6069 + 0xA000, 0x1000, 6070 + 0, 0, pbn_b0_1_115200 }, 6080 6071 6081 6072 /* 6082 6073 * Best Connectivity and Rosewill PCI Multi I/O cards