summaryrefslogtreecommitdiffstats
path: root/Documentation/PCI
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/PCI')
-rw-r--r--Documentation/PCI/pci-error-recovery.rst12
1 files changed, 6 insertions, 6 deletions
diff --git a/Documentation/PCI/pci-error-recovery.rst b/Documentation/PCI/pci-error-recovery.rst
index c237596f67e3..0c7552a00c8c 100644
--- a/Documentation/PCI/pci-error-recovery.rst
+++ b/Documentation/PCI/pci-error-recovery.rst
@@ -17,7 +17,7 @@ chipsets are able to deal with these errors; these include PCI-E chipsets,
and the PCI-host bridges found on IBM Power4, Power5 and Power6-based
pSeries boxes. A typical action taken is to disconnect the affected device,
halting all I/O to it. The goal of a disconnection is to avoid system
-corruption; for example, to halt system memory corruption due to DMA's
+corruption; for example, to halt system memory corruption due to DMAs
to "wild" addresses. Typically, a reconnection mechanism is also
offered, so that the affected PCI device(s) are reset and put back
into working condition. The reset phase requires coordination
@@ -178,9 +178,9 @@ is STEP 6 (Permanent Failure).
complex and not worth implementing.
The current powerpc implementation doesn't much care if the device
- attempts I/O at this point, or not. I/O's will fail, returning
+ attempts I/O at this point, or not. I/Os will fail, returning
a value of 0xff on read, and writes will be dropped. If more than
- EEH_MAX_FAILS I/O's are attempted to a frozen adapter, EEH
+ EEH_MAX_FAILS I/Os are attempted to a frozen adapter, EEH
assumes that the device driver has gone into an infinite loop
and prints an error to syslog. A reboot is then required to
get the device working again.
@@ -204,7 +204,7 @@ instead will have gone directly to STEP 3 (Link Reset) or STEP 4 (Slot Reset)
.. note::
The following is proposed; no platform implements this yet:
- Proposal: All I/O's should be done _synchronously_ from within
+ Proposal: All I/Os should be done _synchronously_ from within
this callback, errors triggered by them will be returned via
the normal pci_check_whatever() API, no new error_detected()
callback will be issued due to an error happening here. However,
@@ -258,7 +258,7 @@ Powerpc platforms implement two levels of slot reset:
soft reset(default) and fundamental(optional) reset.
Powerpc soft reset consists of asserting the adapter #RST line and then
-restoring the PCI BAR's and PCI configuration header to a state
+restoring the PCI BARs and PCI configuration header to a state
that is equivalent to what it would be after a fresh system
power-on followed by power-on BIOS/system firmware initialization.
Soft reset is also known as hot-reset.
@@ -362,7 +362,7 @@ permanent failure in some way. If the device is hotplug-capable,
the operator will probably want to remove and replace the device.
Note, however, not all failures are truly "permanent". Some are
caused by over-heating, some by a poorly seated card. Many
-PCI error events are caused by software bugs, e.g. DMA's to
+PCI error events are caused by software bugs, e.g. DMAs to
wild addresses or bogus split transactions due to programming
errors. See the discussion in Documentation/powerpc/eeh-pci-error-recovery.rst
for additional detail on real-life experience of the causes of