PCMCIA IDE failed on PXA270 board

[Ray Zhao]

By the way, it works with a PCMCIA based network card. also, lots of
"drop interrup" are printed out. ..But I can ping, I can ftp...

Ray

On 8/4/05, Ray Zhao <ray.zhao.inhand at gmail.com> wrote:
> HI, there
> I met a problem with my pxa270 based board. I am using linux2.6.12.3.
> I modified the pcmcia driver i82365 to support my intel spd6722. I
> posted this in the ARM Kernel list and got some help from there, but I
> did not solve the problem yet. The problem MAY be the interrupt. I
> port the driver from 2.4 kernel. There are, of cause, changed on data
> structures. I find the fields which 2.4 drivers filled, but I did not
> actually filled all new Fields introduced from 2.6 kernel. Is there
> some new fields I MUST fill?
> I tracked the code, in the cs.c. There is a function named
> pcmcia_request_irq() which is called from ide-cs.c. In this function,
> I notice I did not use config_pcmcia_probe, and in the
> req->attributes, I do not have IRQ_HANDLER_PRESENT. So I did not call
> request_irq() at all. Is this the reason I always get a message tells
> me "lost a interrupt"?
> I used same file system which works with 2.4. Do I need a NEW file
> system to make this work?
> 
> here is what I got frm console:
> hda: SanDisk SDCFB-64, CFA DISK drive
> ide0 at 0xc8858000-0xc8858007,0xc885800e on irq 122
> hda: max request size: 128KiB
> hda: 125440 sectors (64 MB) w/1KiB Cache, CHS=490/8/32
> hda: cache flushes not supported
>  hda:<4>hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
>  hda1
> ide-cs: hda: Vcc = 5.0, Vpp = 0.0
> hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
> cardmgr[697]: executing: './ide start hda 2>&1'
> cardmgr[697]: + /sbin/fsck -Ta /dev/hda1
> cardmgr[697]: + eval: /sbin/fsck: No such file or directory
>  hda:<4>hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
> hda: lost interrupt
>  hda1
> hda: lost interrupt
> FAT: codepage cp437 not found
> cardmgr[697]: + mount -v -t msdos /dev/hda1 /mnt/hda
> cardmgr[697]: + mount: Mounting /dev/hda1 on /mnt/hda failed: Invalid argument
> 
> 
> Ray
> --
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> Everything that has a beginning has an end.
> 


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