| 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: | Tue, 28 Jun 2005 22:15:59 +0100 |
| Cc: | linux-mips@linux-mips.org |
| In-reply-to: | <2db32b720506271706201a66fb@mail.gmail.com> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <2db32b720506271706201a66fb@mail.gmail.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.4.2.1i |
On Mon, Jun 27, 2005 at 05:06:27PM -0700, rolf liu wrote: > I am running 2.4.31 on db1550 with a pci multi-port board. the kernel > starts up ok. but after start-up, I can't find the corresponding > interrupt number for this board, which is irq 2. I can find the device > under /proc/devices and /proc/tty/driver, etc. So I am now sure if it > is working ok. Is there good (simple) method to test this serial port? Linux will only allocate the interrupt when the interface is actually opened, just loading the driver doesn't suffice. Ralf |
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