diff options
Diffstat (limited to 'Documentation/powerpc/eeh-pci-error-recovery.txt')
-rw-r--r-- | Documentation/powerpc/eeh-pci-error-recovery.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/powerpc/eeh-pci-error-recovery.txt b/Documentation/powerpc/eeh-pci-error-recovery.txt index 3764dd4b12cb..4530d1bf0286 100644 --- a/Documentation/powerpc/eeh-pci-error-recovery.txt +++ b/Documentation/powerpc/eeh-pci-error-recovery.txt | |||
@@ -90,7 +90,7 @@ EEH-isolated, there is a firmware call it can make to determine if | |||
90 | this is the case. If so, then the device driver should put itself | 90 | this is the case. If so, then the device driver should put itself |
91 | into a consistent state (given that it won't be able to complete any | 91 | into a consistent state (given that it won't be able to complete any |
92 | pending work) and start recovery of the card. Recovery normally | 92 | pending work) and start recovery of the card. Recovery normally |
93 | would consist of reseting the PCI device (holding the PCI #RST | 93 | would consist of resetting the PCI device (holding the PCI #RST |
94 | line high for two seconds), followed by setting up the device | 94 | line high for two seconds), followed by setting up the device |
95 | config space (the base address registers (BAR's), latency timer, | 95 | config space (the base address registers (BAR's), latency timer, |
96 | cache line size, interrupt line, and so on). This is followed by a | 96 | cache line size, interrupt line, and so on). This is followed by a |
@@ -116,7 +116,7 @@ At this time, a generic EEH recovery mechanism has been implemented, | |||
116 | so that individual device drivers do not need to be modified to support | 116 | so that individual device drivers do not need to be modified to support |
117 | EEH recovery. This generic mechanism piggy-backs on the PCI hotplug | 117 | EEH recovery. This generic mechanism piggy-backs on the PCI hotplug |
118 | infrastructure, and percolates events up through the userspace/udev | 118 | infrastructure, and percolates events up through the userspace/udev |
119 | infrastructure. Followiing is a detailed description of how this is | 119 | infrastructure. Following is a detailed description of how this is |
120 | accomplished. | 120 | accomplished. |
121 | 121 | ||
122 | EEH must be enabled in the PHB's very early during the boot process, | 122 | EEH must be enabled in the PHB's very early during the boot process, |