linux-kernel - Re: [PATCH] Enable legacy support for serial ports when SERIAL_8250

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Date:	Wed, 11 Jul 2007 21:40:07 +0200
From:	Luca <kronos.it@...il.com>
To:	"Bjorn Helgaas" <bjorn.helgaas@...com>
Cc:	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Enable legacy support for serial ports when SERIAL_8250_PNP is disabled

On 7/9/07, Bjorn Helgaas <bjorn.helgaas@...com> wrote:
> On Monday 09 July 2007 11:30:59 am Luca wrote:
> > On 7/9/07, Bjorn Helgaas <bjorn.helgaas@...com> wrote:
> > > If you turn off
> > > PNP completely, you will have "pnp_platform_devices == 0", and the
> > > existing code will do what you need.
> >
> > Well for me it's a non-issue, I'm able to "work-around" it in many
> > ways. My point is that a configuration that used to work and is still
> > valid suddenly doesn't work anymore.
>
> You're right about that, and it is a legitimate issue.  But given the
> fact that (PNP && !SERIAL_8250_PNP) should be relatively unusual, my
> opinion is that it's not worth extra ifdefs in legacy_serial.c.
>
> If you have to use any workarounds like "legacy_serial.force", I think
> that's a bug, and I'll fix it.

Ok, I double-checked: the serial port is usable during boot with PNP
enabled, so no problem with dropping my patch.

Luca
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