Re: [PATCH 4/6] tty: serial: 8250: Add check for setting default serial interface

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Fri, Jun 07, 2024 at 07:43:34PM +0800, Crescent Hsieh kirjoitti:
> Moxa PCIe and Mini-PCIe boards are capable of switching the serial
> interface through software control, while other PCI boards switch the
> serial interface through hardware DIP switches.
> 
> This patch adds a check while setting the default serial interface.

...

> +static bool pci_moxa_is_pcie(unsigned short device)

Please, avoid potential collisions in the namespace, i.e.
start your function names with moxa, and not with pci.

This can be amended once you split out 8250_moxa.

> +{
> +	if (device == PCI_DEVICE_ID_MOXA_CP102E     ||
> +	    device == PCI_DEVICE_ID_MOXA_CP102EL    ||
> +	    device == PCI_DEVICE_ID_MOXA_CP104EL_A  ||
> +	    device == PCI_DEVICE_ID_MOXA_CP114EL    ||
> +	    device == PCI_DEVICE_ID_MOXA_CP116E_A_A ||
> +	    device == PCI_DEVICE_ID_MOXA_CP116E_A_B ||
> +	    device == PCI_DEVICE_ID_MOXA_CP118EL_A  ||
> +	    device == PCI_DEVICE_ID_MOXA_CP118E_A_I ||
> +	    device == PCI_DEVICE_ID_MOXA_CP132EL    ||
> +	    device == PCI_DEVICE_ID_MOXA_CP134EL_A  ||
> +	    device == PCI_DEVICE_ID_MOXA_CP138E_A   ||
> +	    device == PCI_DEVICE_ID_MOXA_CP168EL_A)
> +		return true;
> +
> +	return false;

Hmm... First of all, can this be done by using pci_is_pcie()?
Second, if the above is not sufficient, this can be read from driver data, no?

> +}

-- 
With Best Regards,
Andy Shevchenko






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