linux-kernel - Re: [PATCH v8 2/3] serial: exar: split out the exar code from 8250

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Message-ID: <CAHp75VeGcHp6GCtZ=-XLbkkLncj3pD-2gM7+zogm2yc172FAhw@mail.gmail.com>
Date:   Mon, 9 Jan 2017 02:50:59 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
Subject: Re: [PATCH v8 2/3] serial: exar: split out the exar code from 8250_pci

On Mon, Jan 9, 2017 at 2:14 AM, Andy Shevchenko
<andy.shevchenko@...il.com> wrote:

> Port number is easily to get from device ID, I already said this.
> nr = subvendor == PCI_VENDOR_ID_IBM ? 1 : device & 0x0f;

Gave one more thought and using

nr = num_ports ? num_ports : device & 0x0f;

will allow you to use even in the v35 setup.

-- 
With Best Regards,
Andy Shevchenko