[parisc-linux] [2.5] ns87415 irq

[Joel Soete]

Hi Willy,

>>>Is it possible to backport it to 2.4?
>
>>Already did it as 2.4.21-pa3 -- can you test that?
>
> ooh I do not see this change (sorry), I will so test this patch (just 
> have to ask you to wait Monday because here at home I have not yet 
> recover a parisc box :)

As said I come back to you with a successfull test (well by the way pa4)
as buitin device driver NS87415 :)

But as module same erronious behaviour _as previous_:

(I make the p-l and grant in cc because here i grab much detail info)

palx2000:~# modprobe ns87415
Segmentation fault

palx2000:~# lsmod 
Module                  Size  Used by    Not tainted
ns87415                 2424   1  (initializing)

palx2000 login: NS87415: IDE controller at PCI slot 00:0e.0
NS87415: chipset revision 3
NS87415: not 100% native mode: will probe irqs later
modprobe (pid 332): Illegal instruction (code 8)

     YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
PSW: 00000000000001001111111100001111 Not tainted
r00-03  00000000 10360000 101f50f4 100ddc00
r04-07  00000000 00028820 103cb870 100ddc00
r08-11  00000000 00000000 00000000 00000000
r12-15  103cc010 00004d38 1d4d3000 00042da8
r16-19  00042da8 00042da8 0004c7f0 00000002
r20-23  00000155 fed30000 fed30000 00000002
r24-27  00000004 00007000 103cb870 102fa010
r28-31  00000000 40000000 1f6dc840 00000000
sr0-3   00000000 0000034c 00000000 0000034c
sr4-7   00000000 00000000 00000000 00000000

IASQ: 00000000 00000000 IAOQ: 10360660 10360664
 IIR: 00002ba7    ISR: 00000000  IOR: 00000000
 CPU:        0   CR30: 1f6dc000 CR31: 10398000
 ORIG_R28: 103aa59c

I do not really understand why modeprobe do an 'Illegal instruction' (pb
with modeprob or with the actual contents of ns87415.o?

(gcc -v => 3.3.1 20030626 (debian prerelease) and binutils 2.14.90.0.4-0.1)

hth,
    Joel

PS: Is it so important to track this driver as module (if only this platform
need this driver replacing tristate by bool wouldn't be enough?)


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