On Thu, Jan 19, 2023 at 12:10:49PM -0500, Matthew Howell wrote:
> From: Matthew Howell <matthew.howell@xxxxxxxxxxxx>
>
> Add support for Sealevel 7xxxC serial cards.
>
> This patch:
> * Adds IDs to recognize 7xxxC cards from Sealevel Systems.
> * Updates exar_pci_probe() to set nr_ports to last two bytes of primary
> dev ID for these cards.
>
> Signed-off-by: Matthew Howell <matthew.howell@xxxxxxxxxxxx>
> ---
>
> v2: Moved "This patch..." above signed-off line.
> v3: "Added From: Matthew Howell <matthew.howell@xxxxxxxxxxxx>" to
> submission.
>
> Let me know if I need to make any more changes.
>
> diff --git a/drivers/tty/serial/8250/8250_exar.c
> b/drivers/tty/serial/8250/8250_exar.c
> index 314a05e00..64770c62b 100644
> --- a/drivers/tty/serial/8250/8250_exar.c
> +++ b/drivers/tty/serial/8250/8250_exar.c
> @@ -43,6 +43,12 @@
> #define PCI_DEVICE_ID_EXAR_XR17V4358 0x4358
> #define PCI_DEVICE_ID_EXAR_XR17V8358 0x8358
>
> +#define PCI_DEVICE_ID_SEALEVEL_710xC 0x1001
> +#define PCI_DEVICE_ID_SEALEVEL_720xC 0x1002
> +#define PCI_DEVICE_ID_SEALEVEL_740xC 0x1004
> +#define PCI_DEVICE_ID_SEALEVEL_780xC 0x1008
> +#define PCI_DEVICE_ID_SEALEVEL_716xC 0x1010
> +
> #define UART_EXAR_INT0 0x80
> #define UART_EXAR_8XMODE 0x88 /* 8X sampling rate select */
> #define UART_EXAR_SLEEP 0x8b /* Sleep mode */
> @@ -638,6 +644,8 @@ exar_pci_probe(struct pci_dev *pcidev, const struct
> pci_device_id *ent)
> nr_ports = BIT(((pcidev->device & 0x38) >> 3) - 1);
> else if (board->num_ports)
> nr_ports = board->num_ports;
> + else if (pcidev->vendor == PCI_VENDOR_ID_SEALEVEL)
> + nr_ports = pcidev->device & 0xff;
> else
> nr_ports = pcidev->device & 0x0f;
>
> @@ -864,6 +872,12 @@ static const struct pci_device_id exar_pci_tbl[] = {
> EXAR_DEVICE(COMMTECH, 4224PCI335, pbn_fastcom335_4),
> EXAR_DEVICE(COMMTECH, 2324PCI335, pbn_fastcom335_4),
> EXAR_DEVICE(COMMTECH, 2328PCI335, pbn_fastcom335_8),
> +
> + EXAR_DEVICE(SEALEVEL, 710xC, pbn_exar_XR17V35x),
> + EXAR_DEVICE(SEALEVEL, 720xC, pbn_exar_XR17V35x),
> + EXAR_DEVICE(SEALEVEL, 740xC, pbn_exar_XR17V35x),
> + EXAR_DEVICE(SEALEVEL, 780xC, pbn_exar_XR17V35x),
> + EXAR_DEVICE(SEALEVEL, 716xC, pbn_exar_XR17V35x),
> { 0, }
> };
> MODULE_DEVICE_TABLE(pci, exar_pci_tbl);
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