On Sun, Jun 17, 2012 at 10:03 PM, Ram Pai <linuxram@xxxxxxxxxx> wrote: > PCI: methods to access resources of struct pci_dev > > Currently pci_dev structure holds an array of 17 PCI resources; six base > BARs, one ROM BAR, four BRIDGE BARs, six sriov BARs. This is wasteful. > A bridge device just needs the 4 bridge resources. A non-bridge device > just needs the six base resources and one ROM resource. The sriov > resources are needed only if the device has SRIOV capability. > > The pci_dev structure needs to be re-organized to avoid unnecessary > bloating. However too much code outside the pci-bus driver, assumes the > internal details of the pci_dev structure, thus making it hard to > re-organize the datastructure. > > As a first step this patch provides generic methods to access the > resource structure of the pci_dev. > > Once this patch is accepted, I have another 40+ patches that modify all > the files that directly access the resource structure, to use the new > methods provided in the first step. > > Finally we can re-organize the resource structure in the pci_dev > structure and correspondingly update the methods. I have patchset on this, please check git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-pci-for-each-res-addon Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
