linux-sg2042/Documentation
Barry Song 5e3be666f4 PCI: Document /sys/bus/pci/devices/.../irq
Document /sys/bus/pci/devices/.../irq.

This file contains the IRQ of the INTx interrupt (or zero if the device
doesn't support INTx interrupts).

If the device has enabled MSI (not MSI-X), it contains the first MSI IRQ
instead.  This is a historical mistake because devices may support several
MSI or MSI-X vectors, and this file can't contain them all.  But we
preserve this behavior to avoid breaking userspace.

[bhelgaas: commit log]
Link: https://lore.kernel.org/r/20210825102636.52757-2-21cnbao@gmail.com
Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-18 16:16:28 -05:00
..
ABI PCI: Document /sys/bus/pci/devices/.../irq 2021-10-18 16:16:28 -05:00
PCI pci-v5.15-changes 2021-09-07 19:13:42 -07:00
RCU doc: Update stallwarn.rst with recent changes 2021-07-20 13:36:33 -07:00
accounting
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virt ARM: 2021-09-07 13:40:51 -07:00
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x86 Another collection of documentation patches, mostly fixes but also includes 2021-09-08 16:28:14 -07:00
xtensa
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