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From: Daniel Thompson <daniel.thompson@linaro.org> To: Vinod Koul <vkoul@kernel.org>, Jonathan Corbet <corbet@lwn.net> Cc: Daniel Thompson <daniel.thompson@linaro.org>, Andy Shevchenko <andy.shevchenko@gmail.com>, dmaengine@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, patches@linaro.org Subject: [PATCH 2/2] Documentation: dmaengine: Correctly describe dmatest with channel unset Date: Thu, 18 Nov 2021 10:09:52 +0000 [thread overview] Message-ID: <20211118100952.27268-3-daniel.thompson@linaro.org> (raw) In-Reply-To: <20211118100952.27268-1-daniel.thompson@linaro.org> Currently the documentation states that channels must be configured before running the dmatest. This has not been true since commit 6b41030fdc79 ("dmaengine: dmatest: Restore default for channel"). Fix accordingly. Fixes: 6b41030fdc79 ("dmaengine: dmatest: Restore default for channel") Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> --- Documentation/driver-api/dmaengine/dmatest.rst | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Documentation/driver-api/dmaengine/dmatest.rst b/Documentation/driver-api/dmaengine/dmatest.rst index 529cc2cbbb1b..cf9859cd0b43 100644 --- a/Documentation/driver-api/dmaengine/dmatest.rst +++ b/Documentation/driver-api/dmaengine/dmatest.rst @@ -153,13 +153,14 @@ Part 5 - Handling channel allocation Allocating Channels ------------------- -Channels are required to be configured prior to starting the test run. -Attempting to run the test without configuring the channels will fail. +Channels do not need to be configured prior to starting a test run. Attempting +to run the test without configuring the channels will result in testing any +channels that are available. Example:: % echo 1 > /sys/module/dmatest/parameters/run - dmatest: Could not start test, no channels configured + dmatest: No channels configured, continue with any Channels are registered using the "channel" parameter. Channels can be requested by their name, once requested, the channel is registered and a pending thread is added to the test list. -- 2.33.0
next prev parent reply other threads:[~2021-11-18 10:12 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-11-18 10:09 [PATCH 0/2] Documentation: dmaengine: Tweak dmatest docs Daniel Thompson 2021-11-18 10:09 ` [PATCH 1/2] Documentation: dmaengine: Add a description of what dmatest does Daniel Thompson 2021-11-18 10:09 ` Daniel Thompson [this message] 2021-11-22 7:01 ` [PATCH 0/2] Documentation: dmaengine: Tweak dmatest docs Vinod Koul -- strict thread matches above, loose matches on Subject: below -- 2021-08-18 15:13 Daniel Thompson 2021-08-18 15:13 ` [PATCH 2/2] Documentation: dmaengine: Correctly describe dmatest with channel unset Daniel Thompson
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