Bug#270376: PCMCIA Nic stops working after upgrading to 2.6.6/7/8

[maximilian attems]

On Thu, 07 Apr 2005, Daniel Ritz wrote:

> On Tuesday 05 April 2005 08:56, Jefferson Cowart wrote:
> > Sorry for the delay in sending this. I ended up getting back later than
> > expected. In any case the hexdumps are below. Please let me know if you need
> > anything else.
> 
> also sorry for the delay :)
> 
> > 
> > Under 2.6.5-bk1
> > ===============
> > (/proc/bus/pci/00/07.0)
> > 0000000 104c ac17 0007 0210 0002 0607 a820 0082
> > 0000010 8000 000c 00a0 0200 0100 b004 0000 1000
> > 0000020 f000 103f 0000 1040 f000 107f 4400 0000
> > 0000030 44fc 0000 4800 0000 48fc 0000 010a 0540
> > 0000040 0000 0000 0001 0000 0000 0000 0000 0000
> > 0000050 0000 0000 0000 0000 0000 0000 0000 0000
> > *
> > 0000080 7020 2800 0000 0000 0000 0000 3822 0ba4
> 
>                ^
> there you go. the intrtie bit is set. this means that both functions
> use INTA to signal the interrupts. but the BIOS is broken and assigned
> a different irq to function 1 compared to function 0. 
> so the reason it broke when the irq-routing patch was merged is that
> irqs are actually probed to see if they work or if the routing needs
> some tuning...
> 
> the attached patch should fix it. it's untested 'cos i don't have a
> laptop with TI bridge anymore...but it's simple
> 
> rgds
> -daniel

thanks a lot for your explenations and the provided patch.
i need some sleep right now, but i'll build a kernel
tommorow for jefferson - bug reporter - to test.
 
a++ maks