Re: [PATCH v2] dmaengine: make dmatest less noisy

From: Joe Perches
Date: Mon Aug 19 2013 - 04:31:49 EST


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.
[]
> diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
[]
> @@ -36,7 +36,7 @@ static char test_device[20];
> module_param_string(device, test_device, sizeof(test_device), S_IRUGO);
> MODULE_PARM_DESC(device, "Bus ID of the DMA Engine to test (default: any)");
>
> -static unsigned int threads_per_chan = 1;
> +static unsigned int threads_per_chan = 8;
> module_param(threads_per_chan, uint, S_IRUGO);
> MODULE_PARM_DESC(threads_per_chan,
> "Number of threads to start per channel (default: 1)");

This is unrelated and makes the MODULE_PARAM_DESC below
it have the incorrect default.

> @@ -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));
> return 0;
> }
>

This bit is sensible though.


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