Re: [PATCH] hisax fix usage of __init*

[Takashi Iwai <tiwai@suse.de>]

At Wed, 05 Jul 2006 13:37:38 +0200,
Arjan van de Ven wrote:
> 
> On Wed, 2006-07-05 at 13:23 +0200, Karsten Keil wrote:
> > diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c
> > index 5333be5..e103503 100644
> > --- a/drivers/isdn/hisax/config.c
> > +++ b/drivers/isdn/hisax/config.c
> > @@ -1875,7 +1875,7 @@ static void EChannel_proc_rcv(struct his
> >  #ifdef CONFIG_PCI
> >  #include <linux/pci.h>
> >  
> > -static struct pci_device_id hisax_pci_tbl[] __initdata = {
> > +static struct pci_device_id hisax_pci_tbl[] __devinitdata = {
> >  #ifdef CONFIG_HISAX_FRITZPCI
> >         {PCI_VENDOR_ID_AVM,      PCI_DEVICE_ID_AVM_A1,
> > PCI_ANY_ID, PCI_ANY_ID},
> >  #endif
> > diff --git a/drivers
> 
> I think this bit is still buggy; afaik pci_device_id tables should not
> be of any kind of __init at all... CC'ing Greg just to make sure I'm not
> talking rubbish

I've been also debugging this since Andrew pointed me about a similar
bug (sound/pci/maestro3.c).  I actually got section mismatch errors
when pci id table is defined with __devinitdata tag together with
CONFIG_HOTPLUG=n, either at compile time or at link time.  So, my
conclusion is that no tags should be used for pci id table.

Interestingly, Documentation/pci.txt mentions that __devinitdata
_should_ be used:

> Tips:
> 	The module_init()/module_exit() functions (and all initialization
>         functions called only from these) should be marked __init/exit.
> 	The struct pci_driver shouldn't be marked with any of these tags.
>	The ID table array should be marked __devinitdata.


Takashi
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