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ABI: sysfs-bus-pci: add a alternative What fields

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There are some PCI ABI that aren't shown under:

	/sys/bus/pci/drivers/.../

Because they're registered with a different class. That's
the case of, for instance:

	/sys/bus/i2c/drivers/CHT Whiskey Cove PMIC/unbind

This one is not present under /sys/bus/pci:

	$ find /sys/bus/pci -name 'CHT Whiskey Cove PMIC'

Although clearly this is provided by a PCI driver:

	/sys/devices/pci0000:00/0000:00:02.0/i2c-4/subsystem/drivers/CHT Whiskey Cove PMIC/unbind

So, add an altertate What location in order to match bind/unbind
to such devices.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/15ba8c07f1b0fd7359106920c8e34a7b9af7aea6.1632750608.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mauro Carvalho Chehab 2021-09-27 15:59:43 +02:00 committed by Greg Kroah-Hartman
parent 5e58808871
commit bab2f3c14e
1 changed files with 4 additions and 0 deletions
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4
Documentation/ABI/testing/sysfs-bus-pci
View File

@ -1,4 +1,5 @@
What: /sys/bus/pci/drivers/.../bind
What: /sys/devices/pciX/.../bind
Date: December 2003
Contact: linux-pci@vger.kernel.org
Description:
@ -14,6 +15,7 @@ Description:
(Note: kernels before 2.6.28 may require echo -n).
What: /sys/bus/pci/drivers/.../unbind
What: /sys/devices/pciX/.../unbind
Date: December 2003
Contact: linux-pci@vger.kernel.org
Description:
@ -29,6 +31,7 @@ Description:
(Note: kernels before 2.6.28 may require echo -n).
What: /sys/bus/pci/drivers/.../new_id
What: /sys/devices/pciX/.../new_id
Date: December 2003
Contact: linux-pci@vger.kernel.org
Description:
@ -47,6 +50,7 @@ Description:
# echo "8086 10f5" > /sys/bus/pci/drivers/foo/new_id
What: /sys/bus/pci/drivers/.../remove_id
What: /sys/devices/pciX/.../remove_id
Date: February 2009
Contact: Chris Wright <chrisw@sous-sol.org>
Description: