From: Pavel Machek <pavel@suse.cz>
To: steve.snyder@philips.com, linux-kernel@vger.kernel.org
Subject: Re: Any gain to supporting only a single PCMCIA slot?
Date: Fri, 29 Jun 2001 00:38:36 +0200 [thread overview]
Message-ID: <20010629003836.E525@bug.ucw.cz> (raw)
In-Reply-To: <0056910012761441000002L112*@MHS>
In-Reply-To: <0056910012761441000002L112*@MHS>; from steve.snyder@philips.com on Wed, Jun 20, 2001 at 04:56:40PM -0500
Hi!
> PCMCIA/Cardbus controllers typically (always?) support 2 slots, and system
> resources are allocated to support those slots. When you build PCMCIA
> support into your kernel, you are implicitly asking for both slots to be
> supported. I'm wondering if it would be worthwhile to let the user opt out of
> supporting one of the slots.
>
> Compaq, in their finite wisdom, only provides a single Type2 Cardbus slot
> on my Presario 1260 notebook. The controller (a TI PCI1131, see below)
> can handle 2 slots, of course, but only a single physical connector is
> present on this machine. Therefore I will never get the use of half of
> the controller, including the I/O address, etc. that the kernel has
> allocated for it.
> Would it be worth the savings in system resources to allow support for
> only a single slot?
Probably not.
Pavel
--
I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care."
Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org
prev parent reply other threads:[~2001-06-29 17:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-20 21:56 Any gain to supporting only a single PCMCIA slot? steve.snyder
2001-06-28 22:38 ` Pavel Machek [this message]
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