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dmaengine: dmatest: Restore default for channel 

In case of dmatest is built-in and no channel was configured test
doesn't run with:

dmatest: Could not start test, no channels configured

Even though description to "channel" parameter claims that default is
any.

Add default channel back as it used to be rather than reject test with
no channel configuration.

Fixes: d53513d5dc ("dmaengine: dmatest: Add support for multi channel testing)
Reported-by: Dijil Mohan <Dijil.Mohan@arm.com>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Link: https://lore.kernel.org/r/20200429071522.58148-1-vladimir.murzin@arm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
alistair/sunxi64-5.7-dsi
Vladimir Murzin 2020-04-29 08:15:22 +01:00 committed by Vinod Koul
parent 4f302642b7
commit 6b41030fdc
1 changed files with 5 additions and 4 deletions
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9
drivers/dma/dmatest.c
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@ -1166,10 +1166,11 @@ static int dmatest_run_set(const char *val, const struct kernel_param *kp)
mutex_unlock(&info->lock);
return ret;
} else if (dmatest_run) {
if (is_threaded_test_pending(info))
start_threaded_tests(info);
else
pr_info("Could not start test, no channels configured\n");
if (!is_threaded_test_pending(info)) {
pr_info("No channels configured, continue with any\n");
add_threaded_test(info);
}
start_threaded_tests(info);
} else {
stop_threaded_test(info);
}