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mcb: export bus information via sysfs

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Export information about the bus stored in the FPGA's header to userspace via
sysfs, instead of hiding it in pr_debug()s from everyone.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Andreas Werner <andreas.werner@men.de>
Tested-by: Andreas Werner <andreas.werner@men.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johannes Thumshirn
2016-05-03 09:46:23 +02:00
committed by Greg Kroah-Hartman
parent 18d2881980
commit 803f1ca60d
5 changed files with 103 additions and 11 deletions
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29
Documentation/ABI/testing/sysfs-bus-mcb Normal file
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What: /sys/bus/mcb/devices/mcb:X
Date: March 2016
KernelVersion: 4.7
Contact: Johannes Thumshirn <jth@kernel.org>
Description: Hardware chip or device hosting the MEN chameleon bus
What: /sys/bus/mcb/devices/mcb:X/revision
Date: March 2016
KernelVersion: 4.7
Contact: Johannes Thumshirn <jth@kernel.org>
Description: The FPGA's revision number
What: /sys/bus/mcb/devices/mcb:X/minor
Date: March 2016
KernelVersion: 4.7
Contact: Johannes Thumshirn <jth@kernel.org>
Description: The FPGA's minor number
What: /sys/bus/mcb/devices/mcb:X/model
Date: March 2016
KernelVersion: 4.7
Contact: Johannes Thumshirn <jth@kernel.org>
Description: The FPGA's model number
What: /sys/bus/mcb/devices/mcb:X/name
Date: March 2016
KernelVersion: 4.7
Contact: Johannes Thumshirn <jth@kernel.org>
Description: The FPGA's name