Re: [PATCH 2/3] pci: bcm43xx avoid pci_find_device

[Jiri Slaby <jirislaby@gmail.com>]

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Jeff Garzik napsal(a):
> Jiri Slaby wrote:
>> bcm43xx avoid pci_find_device
>>
>> Change pci_find_device to safer pci_get_device with support for more
>> devices.
>>
>> Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
>>
>> ---
>> commit 1d3b6caf027fe53351c645523587aeac40bc3e47
>> tree ae37c86b633442cdf8a7a19ac287542724081c90
>> parent ab3443d79c94d0ae6a9e020daefa4d29eccff50d
>> author Jiri Slaby <ku@bellona.localdomain> Fri, 26 May 2006 01:49:12
>> +0159
>> committer Jiri Slaby <ku@bellona.localdomain> Fri, 26 May 2006
>> 01:49:12 +0159
>>
>>  drivers/net/wireless/bcm43xx/bcm43xx_main.c |   20 ++++++++++++++++----
>>  1 files changed, 16 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c
>> b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
>> index b488f77..56d2fc6 100644
>> --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c
>> +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
>> @@ -2131,6 +2131,13 @@ out:
>>      return err;
>>  }
>>  
>> +#ifdef CONFIG_BCM947XX
>> +static struct pci_device_id bcm43xx_ids[] = {
>> +    { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4324) },
>> +    { 0 }
>> +};
>> +#endif
>> +
>>  static int bcm43xx_initialize_irq(struct bcm43xx_private *bcm)
>>  {
>>      int res;
>> @@ -2141,10 +2148,15 @@ static int bcm43xx_initialize_irq(struct
>>  #ifdef CONFIG_BCM947XX
>>      if (bcm->pci_dev->bus->number == 0) {
>>          struct pci_dev *d = NULL;
>> -        /* FIXME: we will probably need more device IDs here... */
>> -        d = pci_find_device(PCI_VENDOR_ID_BROADCOM, 0x4324, NULL);
>> -        if (d != NULL) {
>> -            bcm->irq = d->irq;
>> +        struct pci_device_id *id = bcm43xx_ids;
>> +        while (id->vendor) {
>> +            d = pci_get_device(id->vendor, id->device, NULL);
>> +            if (d != NULL) {
>> +                bcm->irq = d->irq;
>> +                pci_dev_put(d);
>> +                break;
> 
> You'll want to use pci_match_device() or pci_match_one_device()
> [I forget which one]
Why? Matching is done by pci_get_device() or pci_get_subsys(), respectively.
[pci_match_device() is for matching dev <-> drv, you meant pci_match_one_device()]

thanks,
- --
Jiri Slaby         www.fi.muni.cz/~xslaby
\_.-^-._   jirislaby@gmail.com   _.-^-._/
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