diff options
| author | David Milburn <dmilburn@redhat.com> | 2013-05-14 13:48:40 -0500 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-05-14 11:44:07 -0700 |
| commit | e628dc999e43a9dd51fb6bd810772c277f934484 (patch) | |
| tree | d950d81c8a2351ae0f12cc5cb45a7f6222dadc98 /Documentation/kernel-parameters.txt | |
| parent | f722406faae2d073cc1d01063d1123c35425939e (diff) | |
libata: export ata_port port_no attribute via /sys
While registering host controller track port number based upon number
of ports available on the controller, export port_no attribute through
/sys. This patch is needed by udev for composing persistent links in
/dev/disk/by-path.
/sys/devices/pci0000:00/0000:00:1f.2/ata8/ata_port/ata8
total 0
lrwxrwxrwx. 1 root root 0 Mar 6 12:43 device -> ../../../ata8
-r--r--r--. 1 root root 4096 Mar 6 12:43 idle_irq
-r--r--r--. 1 root root 4096 Mar 6 12:43 nr_pmp_links
-r--r--r--. 1 root root 4096 Mar 6 12:43 port_no
drwxr-xr-x. 2 root root 0 Mar 6 12:42 power
lrwxrwxrwx. 1 root root 0 Mar 6 12:41 subsystem -> ../../../../../../class/ata_port
-rw-r--r--. 1 root root 4096 Mar 6 12:40 uevent
1
Signed-off-by: David Milburn <dmilburn@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
0 files changed, 0 insertions, 0 deletions