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Re: can't find interrupt number under /proc/interrupts for the pci multi

To: rolf liu <rolfliu@gmail.com>
Subject: Re: can't find interrupt number under /proc/interrupts for the pci multi-port on db1550
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 30 Jun 2005 11:07:05 +0100
Cc: linux-mips@linux-mips.org
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References: <2db32b720506271706201a66fb@mail.gmail.com> <20050628211559.GA2879@linux-mips.org> <2db32b72050629152010dab81d@mail.gmail.com>
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On Wed, Jun 29, 2005 at 03:20:56PM -0700, rolf liu wrote:

> What is the function of serial_timer? it is just sitting there,
> generating timeout, periodically. Just to make sure the interrupt
> routine will be called periodically?

It's for interrupt-less ports.

  Ralf

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