summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--Documentation/PCI/MSI-HOWTO.txt8
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.