Re: 2.6.22-rc: regression: no irda0 interface (2.6.21 was OK), smsc does not find chip

On Mon, Aug 13, 2007 at 10:09:46AM -0600, Bjorn Helgaas wrote:
> > [ 2207.986873] smsc_ircc_present: can't get sir_base of 0x2e8
> 
> As of 2.6.23-rc2, we should have:
>   - probes for 8250 legacy devices (as in 2.6.21 and previous)
>   - smsc PNP probes turned off by default (2.6.21 and previous had
>     no PNP probes for smsc at all)
>   - some complicated PNP quirks for SMCf010 devices
> 
> In other words, I think we're basically back where we started.  The
> 8250 driver should find a ttyS3 device at 0x2e8, and it should
> claim those ports, which will prevent smsc from claiming them.

I use 8250.nr_uarts=1 appended to my kernel parameters on my laptop.
Perfectly reliable workaround, but if it is possible to detect, then
all the better!


//Peter
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• References:
  • Re: 2.6.22-rc: regression: no irda0 interface (2.6.21 was OK), smsc does not find chip
    • From: Andrey Borzenkov <[email protected]>
  • Re: 2.6.22-rc: regression: no irda0 interface (2.6.21 was OK), smsc does not find chip
    • From: Bjorn Helgaas <[email protected]>

• Prev by Date: Re: [PATCH] [5/2many] MAINTAINERS - 3CR990 NETWORK DRIVER
• Next by Date: Re: [PATCH] [1/2many] - FInd the maintainer(s) for a patch - scripts/get_maintainer.pl
• Previous by thread: Re: 2.6.22-rc: regression: no irda0 interface (2.6.21 was OK), smsc does not find chip
• Next by thread: Re: 2.6.22-rc: regression: no irda0 interface (2.6.21 was OK), smsc does not find chip
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]