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PCI updates for v3.15: 

PCI device hotplug
     - Fix SHPCHP bus speed mismatch issue (Marcel Apfelbaum)
 
   Miscellaneous
     - Fix pci_wait_for_pending_transaction() (Gavin Shan)
     - Update email address (Ben Hutchings)
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Merge tag 'pci-v3.15-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "These are fixes for an SHPCHP hotplug regression, a "wait for pending
  transaction" problem (used in device reset paths), and an email
  address update.

  PCI device hotplug:
    - Fix SHPCHP bus speed mismatch issue (Marcel Apfelbaum)

  Miscellaneous:
    - Fix pci_wait_for_pending_transaction() (Gavin Shan)
    - Update email address (Ben Hutchings)"

* tag 'pci-v3.15-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Wrong register used to check pending traffic
  PCI: shpchp: Check bridge's secondary (not primary) bus speed
  PCI: Update my email address
This commit is contained in:
Linus Torvalds 2014-05-21 18:57:25 +09:00
parent b84293b23e d0b4cc4e32
commit 957cf2582a
3 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/ABI/testing/sysfs-bus-pci
View File

@ -117,7 +117,7 @@ Description:
What: /sys/bus/pci/devices/.../vpd
Date: February 2008
Contact: Ben Hutchings <bhutchings@solarflare.com>
Contact: Ben Hutchings <bwh@kernel.org>
Description:
A file named vpd in a device directory will be a
binary file containing the Vital Product Data for the

4
drivers/pci/hotplug/shpchp_ctrl.c
View File

@ -282,8 +282,8 @@ static int board_added(struct slot *p_slot)
return WRONG_BUS_FREQUENCY;
}
bsp = ctrl->pci_dev->bus->cur_bus_speed;
msp = ctrl->pci_dev->bus->max_bus_speed;
bsp = ctrl->pci_dev->subordinate->cur_bus_speed;
msp = ctrl->pci_dev->subordinate->max_bus_speed;
/* Check if there are other slots or devices on the same bus */
if (!list_empty(&ctrl->pci_dev->subordinate->devices))

5
drivers/pci/pci.c
View File

@ -3067,7 +3067,8 @@ int pci_wait_for_pending_transaction(struct pci_dev *dev)
if (!pci_is_pcie(dev))
return 1;
return pci_wait_for_pending(dev, PCI_EXP_DEVSTA, PCI_EXP_DEVSTA_TRPND);
return pci_wait_for_pending(dev, pci_pcie_cap(dev) + PCI_EXP_DEVSTA,
PCI_EXP_DEVSTA_TRPND);
}
EXPORT_SYMBOL(pci_wait_for_pending_transaction);
@ -3109,7 +3110,7 @@ static int pci_af_flr(struct pci_dev *dev, int probe)
return 0;
/* Wait for Transaction Pending bit clean */
if (pci_wait_for_pending(dev, PCI_AF_STATUS, PCI_AF_STATUS_TP))
if (pci_wait_for_pending(dev, pos + PCI_AF_STATUS, PCI_AF_STATUS_TP))
goto clear;
dev_err(&dev->dev, "transaction is not cleared; "