On Wed, 22 Dec 2021, Andy Shevchenko wrote: > In the similar way how it's done in 8250_pericom, derive number of > UART ports from PCI ID for Acces I/O cards. > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > --- > drivers/tty/serial/8250/8250_exar.c | 37 ++++++++++------------------- > 1 file changed, 13 insertions(+), 24 deletions(-) > > diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c > index a4508ac0cac9..cf16bd889abd 100644 > --- a/drivers/tty/serial/8250/8250_exar.c > +++ b/drivers/tty/serial/8250/8250_exar.c > @@ -611,7 +611,12 @@ exar_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) > > maxnr = pci_resource_len(pcidev, bar) >> (board->reg_shift + 3); > > - nr_ports = board->num_ports ? board->num_ports : pcidev->device & 0x0f; > + if (pcidev->vendor == PCI_VENDOR_ID_ACCESSIO) > + nr = BIT(((pcidev->device & 0x38) >> 3) - 1); Shouldn't this be nr_ports = ... -- i. > + else if (board->num_ports) > + nr_ports = board->num_ports; > + else > + nr_ports = pcidev->device & 0x0f; > > priv = devm_kzalloc(&pcidev->dev, struct_size(priv, line, nr_ports), GFP_KERNEL); > if (!priv) > @@ -710,22 +715,6 @@ static int __maybe_unused exar_resume(struct device *dev) > > static SIMPLE_DEV_PM_OPS(exar_pci_pm, exar_suspend, exar_resume); > > -static const struct exar8250_board acces_com_2x = { > - .num_ports = 2, > - .setup = pci_xr17c154_setup, > -}; > - > -static const struct exar8250_board acces_com_4x = { > - .num_ports = 4, > - .setup = pci_xr17c154_setup, > -}; > - > -static const struct exar8250_board acces_com_8x = { > - .num_ports = 8, > - .setup = pci_xr17c154_setup, > -}; > - > - > static const struct exar8250_board pbn_fastcom335_2 = { > .num_ports = 2, > .setup = pci_fastcom335_setup, > @@ -810,13 +799,13 @@ static const struct exar8250_board pbn_exar_XR17V8358 = { > } > > static const struct pci_device_id exar_pci_tbl[] = { > - EXAR_DEVICE(ACCESSIO, COM_2S, acces_com_2x), > - EXAR_DEVICE(ACCESSIO, COM_4S, acces_com_4x), > - EXAR_DEVICE(ACCESSIO, COM_8S, acces_com_8x), > - EXAR_DEVICE(ACCESSIO, COM232_8, acces_com_8x), > - EXAR_DEVICE(ACCESSIO, COM_2SM, acces_com_2x), > - EXAR_DEVICE(ACCESSIO, COM_4SM, acces_com_4x), > - EXAR_DEVICE(ACCESSIO, COM_8SM, acces_com_8x), > + EXAR_DEVICE(ACCESSIO, COM_2S, pbn_exar_XR17C15x), > + EXAR_DEVICE(ACCESSIO, COM_4S, pbn_exar_XR17C15x), > + EXAR_DEVICE(ACCESSIO, COM_8S, pbn_exar_XR17C15x), > + EXAR_DEVICE(ACCESSIO, COM232_8, pbn_exar_XR17C15x), > + EXAR_DEVICE(ACCESSIO, COM_2SM, pbn_exar_XR17C15x), > + EXAR_DEVICE(ACCESSIO, COM_4SM, pbn_exar_XR17C15x), > + EXAR_DEVICE(ACCESSIO, COM_8SM, pbn_exar_XR17C15x), > > CONNECT_DEVICE(XR17C152, UART_2_232, pbn_connect), > CONNECT_DEVICE(XR17C154, UART_4_232, pbn_connect), >