Re: [PATCH V2 #for-3.10] libata: export ata_port port_no attribute via /sys

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On Tue, May 14, 2013 at 01:48:40PM -0500, David Milburn wrote:
> 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.
> 
> # pwd
> /sys/devices/pci0000:00/0000:00:1f.2/ata8/ata_port/ata8
> # ll
> 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
> # cat port_no
> 1
> 
> Signed-off-by: David Milburn <dmilburn@xxxxxxxxxx>

Applied to libata/for-3.11.

Thanks.

-- 
tejun
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