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author | Michael Witten <mfwitten@gmail.com> | 2011-07-14 21:28:00 +0000 |
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committer | Michael Witten <mfwitten@gmail.com> | 2011-08-02 21:34:32 +0000 |
commit | 263d8d57b3b2e2fbb4e79b7cda7ef3399add4fb7 (patch) | |
tree | 3276b4539a9d7e7f8471a38912ae1076924db54e /Documentation/PCI/MSI-HOWTO.txt | |
parent | 1d15afcc73004028f2870ede7a56d590e1ca8ca8 (diff) | |
download | linux-263d8d57b3b2e2fbb4e79b7cda7ef3399add4fb7.tar.bz2 |
Docs: MSI-HOWTO: Put the `because' subordinate clause first
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')
-rw-r--r-- | Documentation/PCI/MSI-HOWTO.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/PCI/MSI-HOWTO.txt b/Documentation/PCI/MSI-HOWTO.txt index faf37f9d29dc..1d7047a34862 100644 --- a/Documentation/PCI/MSI-HOWTO.txt +++ b/Documentation/PCI/MSI-HOWTO.txt @@ -137,8 +137,8 @@ interrupt number and frees the previously allocated message signaled interrupt(s). The interrupt may subsequently be assigned to another device, so drivers should not cache the value of dev->irq. -A device driver must always call free_irq() on the interrupt(s) -for which it has called request_irq() before calling this function. +Before calling this function, a device driver must always call free_irq() +on any interrupt for which it previously called request_irq(). Failure to do so results in a BUG_ON(), leaving the device with MSI enabled and thus leaking its vector. @@ -217,8 +217,8 @@ the previously allocated message signaled interrupts. The interrupts may subsequently be assigned to another device, so drivers should not cache the value of the 'vector' elements over a call to pci_disable_msix(). -A device driver must always call free_irq() on the interrupt(s) -for which it has called request_irq() before calling this function. +Before calling this function, a device driver must always call free_irq() +on any interrupt for which it previously called request_irq(). Failure to do so results in a BUG_ON(), leaving the device with MSI-X enabled and thus leaking its vector. |