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Documentation: PCI: Fix typos in msi-howto.rst

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Fix subject-verb agreement for "has a requirements" as well as
"neither...or" conjunction mistake. And convert "Message Signalled
Interrupts" to "Message Signaled Interrupts" to match the PCIe spec.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://patch.msgid.link/1766713528-173281-1-git-send-email-shawn.lin@rock-chips.com
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Shawn Lin 2025-12-26 09:45:28 +08:00 • committed by Bjorn Helgaas
parent 8f0b4cce44
commit 560cb3bd9a
1 changed files with 3 additions and 3 deletions
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6
Documentation/PCI/msi-howto.rst
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@ -98,7 +98,7 @@ function::
which allocates up to max_vecs interrupt vectors for a PCI device. It
returns the number of vectors allocated or a negative error. If the device
has a requirements for a minimum number of vectors the driver can pass a
has a requirement for a minimum number of vectors the driver can pass a
min_vecs argument set to this limit, and the PCI core will return -ENOSPC
if it can't meet the minimum number of vectors.
@ -127,7 +127,7 @@ not be able to allocate as many vectors for MSI as it could for MSI-X. On
some platforms, MSI interrupts must all be targeted at the same set of CPUs
whereas MSI-X interrupts can all be targeted at different CPUs.
If a device supports neither MSI-X or MSI it will fall back to a single
If a device supports neither MSI-X nor MSI it will fall back to a single
legacy IRQ vector.
The typical usage of MSI or MSI-X interrupts is to allocate as many vectors
@ -203,7 +203,7 @@ How to tell whether MSI/MSI-X is enabled on a device
----------------------------------------------------
Using 'lspci -v' (as root) may show some devices with "MSI", "Message
Signalled Interrupts" or "MSI-X" capabilities. Each of these capabilities
Signaled Interrupts" or "MSI-X" capabilities. Each of these capabilities
has an 'Enable' flag which is followed with either "+" (enabled)
or "-" (disabled).