linux-kernel - Re: [PATCH v3] serial: 8250: add gpio support to exar

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Date:	Tue, 22 Dec 2015 12:15:18 +0200
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Jiri Slaby <jslaby@...e.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>
Subject: Re: [PATCH v3] serial: 8250: add gpio support to exar

On Tue, Dec 22, 2015 at 12:08 PM, Sudip Mukherjee
<sudipm.mukherjee@...il.com> wrote:
> On Tue, Dec 22, 2015 at 11:58:17AM +0200, Andy Shevchenko wrote:

>> > The only downside is
>> > that the module gets loaded even if the device is not there.
>>
>> How is that?
>
> Alan explained that in https://lkml.org/lkml/2015/12/20/103
>
> Quoting from his mail "you reference the methods in it so it will
> always be dragged in".
>
> And I wanted to verify that so I tested today morning after removing the
> card from my local system and after booting I saw having 8250_gpi loaded.

Ah, it is in case "exar as a library".

In case "exar as a separate driver" other way around: it will drag
methods from 8250_pci if any.

-- 
With Best Regards,
Andy Shevchenko
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