netdev - Re: [RFC/RFT PATCH 4/4] [debug] ARM: am335x: illustrate hwstamp

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20170614053827.GD3730@atomide.com>
Date:   Tue, 13 Jun 2017 22:38:27 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Grygorii Strashko <grygorii.strashko@...com>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Sekhar Nori <nsekhar@...com>,
        Richard Cochran <richardcochran@...il.com>,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        ivan.khoronzhuk@...aro.org
Subject: Re: [RFC/RFT PATCH 4/4] [debug] ARM: am335x: illustrate hwstamp

* Grygorii Strashko <grygorii.strashko@...com> [170613 16:20]:
> This patch allows to test CPTS HW_TS_PUSH functionality on am335x boards
> 
> below sequence of commands will enable Timer7 to trigger 1sec
> periodic pulses on CPTS HW4_TS_PUSH input pin:
> 
>  # echo 1000000000 > /sys/class/pwm/pwmchip0/pwm0/period
>  # echo 500000000 > /sys/class/pwm/pwmchip0/pwm0/duty_cycle
>  # echo 1 > /sys/class/pwm/pwmchip0/pwm0/enable
>  # ./ptp/testptp -e 10 -i 3
> external time stamp request okay
> event index 3 at 1493259028.376600798
> event index 3 at 1493259029.377170898
> event index 3 at 1493259030.377741039
> event index 3 at 1493259031.378311139
> event index 3 at 1493259032.378881279
> event index 3 at 1493259033.379451424
> event index 3 at 1493259034.380021520
> event index 3 at 1493259035.380591660
> event index 3 at 1493259036.381161765
> event index 3 at 1493259037.381731909

Cool :)

Acked-by: Tony Lindgren <tony@...mide.com>