Re: PCI device driver writing newbie trouble

[Greg KH]

On Thu, Apr 20, 2006 at 04:04:07PM +0100, Bert Thomas wrote:
> Hi All,
> 
> I'm attempting to write a PCI device driver. I've read chapters 2, 9 and 
> 12 of the linux device driver book (3rd ed) and it got me going with the 
> code below. However, I never see the message printed from cif50_probe, 
> so appearantly the kernel doesn't consider my driver the correct driver 
> for the hardware.
> 
> I tried to load the driver with insmod, but I also rebooted the system 
> in the hope that some part of the kernel would find the hardware and try 
> to load my driver. Is that how it is supposed to work? At least my 
> driver is listed in /lib/modules/2.6.15.7/modules.pcimap. Modprobe 
> doesn't find it, I don't know why. The hardware contains a PLX chip. The 
> hardware is found by the kernel, as it correctly shows up in /proc/pci:
> 
>   Bus  1, device  13, function  0:
>     Class 0680: PCI device 10b5:9050 (rev 1).
>       IRQ 5.
>       Non-prefetchable 32 bit memory at 0xd1005000 [0xd100507f].
>       I/O at 0xd100 [0xd17f].
>       Non-prefetchable 32 bit memory at 0xd1000000 [0xd1001fff].
> 
> Also in the corresponding /sys files.
> 
> Does anyone have a suggestion why my probe function is not being called?
> 
> TIA
> Bert
> 
> #include <linux/init.h>
> #include <linux/module.h>
> #include <linux/pci.h>
> MODULE_LICENSE("Dual BSD/GPL");
> 
> static const struct pci_device_id cif50_ids[] = {
>         {
>         .vendor = 0x10B5,
>         .device = 0x9050,
>         .subvendor = PCI_ANY_ID, //0x10B5,
>         .subdevice = PCI_ANY_ID, //0x1080,
>         .class = PCI_ANY_ID,
>         .class_mask = PCI_ANY_ID
>         },

Try the PCI_DEVICE() macro here instead.

But that should not matter, this should work, I don't know why it
doesn't sorry.

greg k-h
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/