From 560cb3bd9a48115f334c0a127347575ca7c13f6f Mon Sep 17 00:00:00 2001 From: Shawn Lin Date: Fri, 26 Dec 2025 09:45:28 +0800 Subject: [PATCH] Documentation: PCI: Fix typos in msi-howto.rst 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 Signed-off-by: Bjorn Helgaas Tested-by: Randy Dunlap Reviewed-by: Randy Dunlap Reviewed-by: Bagas Sanjaya Link: https://patch.msgid.link/1766713528-173281-1-git-send-email-shawn.lin@rock-chips.com --- Documentation/PCI/msi-howto.rst | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Documentation/PCI/msi-howto.rst b/Documentation/PCI/msi-howto.rst index 0692c9aec66fd..667ebe2156b47 100644 --- a/Documentation/PCI/msi-howto.rst +++ b/Documentation/PCI/msi-howto.rst @@ -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). -- 2.47.3