Commit 9919c339 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab Committed by Greg Kroah-Hartman
Browse files

ABI: sysfs-bus-pci: add documentation for modalias 



Even being available since 2005, there's no documentation for
modalias.

Acked-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/9ceb1fcdbef3c0d2d0368dcc2f19084a3e529ad1.1632750608.git.mchehab+huawei@kernel.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e95d6d8b

Documentation/ABI/testing/sysfs-bus-pci

+18 −0
Original line number Diff line number Diff line
@@ -187,6 +187,24 @@ Description: 
		The symbolic link points to the PCI device sysfs entry of the

		Physical Function this device associates with.



What:		/sys/bus/pci/devices/.../modalias

Date:		May 2005

Contact:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Description:

		This attribute indicates the PCI ID of the device object.



		That is in the format:

		pci:vXXXXXXXXdXXXXXXXXsvXXXXXXXXsdXXXXXXXXbcXXscXXiXX,

		where:



		    - vXXXXXXXX contains the vendor ID;

		    - dXXXXXXXX contains the device ID;

		    - svXXXXXXXX contains the sub-vendor ID;

		    - sdXXXXXXXX contains the subsystem device ID;

		    - bcXX contains the device class;

		    - scXX contains the device subclass;

		    - iXX contains the device class programming interface.



What:		/sys/bus/pci/slots/.../module

Date:		June 2009

Contact:	linux-pci@vger.kernel.org