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PCI hotplug: cpqphp: use pci_dev->subsystem_{vendor|device} 

The driver reads PCI subsystem IDs from the PCI configuration registers while
they are already stored by the PCI subsystem in the 'subsystem_{vendor|device}'
fields of 'struct pci_dev'...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Sergei Shtylyov 2011-07-13 19:21:25 +04:00 committed by Jesse Barnes
parent db34a363b9
commit 69b3e6199a
1 changed files with 2 additions and 10 deletions
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12
drivers/pci/hotplug/cpqphp_core.c
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@ -868,11 +868,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* TODO: This code can be made to support non-Compaq or Intel
* subsystem IDs
*/
rc = pci_read_config_word(pdev, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vid);
if (rc) {
err("%s : pci_read_config_word failed\n", __func__);
goto err_disable_device;
}
subsystem_vid = pdev->subsystem_vendor;
dbg("Subsystem Vendor ID: %x\n", subsystem_vid);
if ((subsystem_vid != PCI_VENDOR_ID_COMPAQ) && (subsystem_vid != PCI_VENDOR_ID_INTEL)) {
err(msg_HPC_non_compaq_or_intel);
@ -887,11 +883,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_disable_device;
}
rc = pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsystem_deviceid);
if (rc) {
err("%s : pci_read_config_word failed\n", __func__);
goto err_free_ctrl;
}
subsystem_deviceid = pdev->subsystem_device;
info("Hot Plug Subsystem Device ID: %x\n", subsystem_deviceid);