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From: Cyril Hrubis <chrubis@suse.cz>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH 2/2] device_drivers/uart01: Add uart01 test
Date: Mon, 30 Mar 2020 17:21:22 +0200	[thread overview]
Message-ID: <20200330152122.GA2699@yuki.lan> (raw)
In-Reply-To: <CAF12kFteeJ6nerju6kwX+Ebzrzd_JPCiJ9jKW4tX9F4Y4s7FEg@mail.gmail.com>

Hi!
> Thank you porting the serialcheck.c into LTP
> I am sorry to find the serialcheck have not LOOPBACK mode support
> the LOOPBACK mode is a better test than HW flow , because most machine's
> uart have not connect the Rx & TX
> in LOOPBACK mode. we test the uart port directly, So we can test one uart
> port Rx and Tx functions at the same time .
> here is the diff  serialcheck with loopback patch
> So I'd prefer use loopback mode test the uart in case.
> $ diff serialcheck.c serialcheck-with-loopback.c

Thanks for the hint, I had no idea that subset serial port hardware has
a loopback test that could be enabled in modem control register which is
meant for testing. I will have a closer look tomorrow.

-- 
Cyril Hrubis
chrubis@suse.cz

  reply	other threads:[~2020-03-30 15:21 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-27 13:47 [LTP] [PATCH 0/2] [RFC] Add needs_devices && basic uart test Cyril Hrubis
2020-03-27 13:47 ` [LTP] [PATCH 1/2] tst_test: Add support for needs_devices Cyril Hrubis
2020-03-27 13:47 ` [LTP] [PATCH 2/2] device_drivers/uart01: Add uart01 test Cyril Hrubis
2020-03-27 15:11   ` Petr Vorel
2020-03-28  8:27   ` Cixi Geng
2020-03-30 15:21     ` Cyril Hrubis [this message]
2020-03-31 18:08       ` Cyril Hrubis
2020-04-01 11:57         ` Cixi Geng
2020-04-01 13:12           ` Cyril Hrubis
2020-04-02  1:30             ` Cixi Geng
2020-04-02  9:31               ` Cyril Hrubis
2020-04-02 11:16                 ` Cixi Geng
2020-04-02 11:23                   ` Cyril Hrubis
2020-04-03  1:50                     ` Cixi Geng
2020-04-08  4:15                       ` Cixi Geng
2020-04-08 14:18                         ` Cyril Hrubis
2020-05-11  9:12                           ` Cixi Geng
2020-05-11  9:37                             ` Cyril Hrubis
2020-05-12  2:32                               ` Cixi Geng
  -- strict thread matches above, loose matches on Subject: below --
2020-06-23 11:28 [LTP] [PATCH 0/2] [RFC] Device discovery & UART test Cyril Hrubis
2020-06-23 11:28 ` [LTP] [PATCH 2/2] device_drivers/uart01: Add uart01 test Cyril Hrubis

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