linux-kernel - Re: [PATCH v2] dmaengine: make dmatest less noisy

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Date:	Mon, 19 Aug 2013 11:37:09 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Vinod Koul <vinod.koul@...el.com>, linux-kernel@...r.kernel.org,
	Dan Williams <djbw@...com>
Subject: Re: [PATCH v2] dmaengine: make dmatest less noisy

On Mon, 2013-08-19 at 10:25 +0200, Linus Walleij wrote: 
> Commit 95019c8c5 "dmatest: gather test results in the linked list"
> started to warning whenever we add results to a test thread.
> A warning for something completely normal? This is just cluttering
> my terminal. Move to debug prints.
> 
> Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>

> --- a/drivers/dma/dmatest.c
> +++ b/drivers/dma/dmatest.c

> @@ -406,7 +406,7 @@ static int thread_result_add(struct dmatest_info *info,
>  	list_add_tail(&tr->node, &r->results);
>  	mutex_unlock(&info->results_lock);
>  
> -	pr_warn("%s\n", thread_result_get(r->name, tr));
> +	pr_debug("%s\n", thread_result_get(r->name, tr));

This is the idea behind original DMATEST module logic.
As far as I understand we would like to have them as warnings in case
when driver is compiled in and tests are run from the beginning.

Though, I sent a correction patch that moves "No error" messages to
debug level which, I think, makes sense. I don't know why Dan still keep
silent on my last message in the discussion [1].

[1] http://www.spinics.net/lists/kernel/msg1581822.html


-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy
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