path: root/Documentation/PCI/MSI-HOWTO.txt
diff options
authorMichael Witten <mfwitten@gmail.com>2011-07-14 20:05:01 +0000
committerMichael Witten <mfwitten@gmail.com>2011-08-02 21:34:32 +0000
commit1d15afcc73004028f2870ede7a56d590e1ca8ca8 (patch)
tree412e9cd62b90af4932795625378bd21605af6ea7 /Documentation/PCI/MSI-HOWTO.txt
parenta2d4d50128279c67d4cf38061206cddc1fc37e75 (diff)
Docs: MSI-HOWTO: Streamline some wording
Signed-off-by: Michael Witten <mfwitten@gmail.com> Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Diffstat (limited to 'Documentation/PCI/MSI-HOWTO.txt')
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/PCI/MSI-HOWTO.txt b/Documentation/PCI/MSI-HOWTO.txt
index 867ed0351106..faf37f9d29dc 100644
--- a/Documentation/PCI/MSI-HOWTO.txt
+++ b/Documentation/PCI/MSI-HOWTO.txt
@@ -118,8 +118,8 @@ switched into MSI mode.
The device driver must decide what action to take if
pci_enable_msi_block() returns a value less than the number requested.
-Some devices can make use of fewer interrupts than the maximum they
-request; in this case the driver should call pci_enable_msi_block()
+For instance, the driver could still make use of fewer interrupts;
+in this case the driver should call pci_enable_msi_block()
again. Note that it is not guaranteed to succeed, even when the
'count' has been reduced to the value returned from a previous call to
pci_enable_msi_block(). This is because there are multiple constraints

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