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

Jiri Slaby
2006-05-26T10:20:17Z

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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 _.-^-._/
B67499670407CE62ACC8 22A032CC55C339D47A7E
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