Re: [PATCH 2/3] dmaengine: dw_dmac: Enhance device tree support

From: Andy Shevchenko
Date: Fri Oct 12 2012 - 06:40:21 EST


On Fri, Oct 12, 2012 at 1:36 PM, viresh kumar <viresh.kumar@xxxxxxxxxx> wrote:
> On Fri, Oct 12, 2012 at 1:53 PM, Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>> On Fri, 2012-10-12 at 11:14 +0530, Viresh Kumar wrote:
>
>>> + while (++i < dw->sd_count) {
>>> + if (!strcmp(dw->sd[i].bus_id, param)) {
>>> + found = 1;
>>> + break;
>>> + }
>>> + }
>>> +
>>> + if (!found) {
>>> + last_dw = dw;
>>> + last_bus_id = param;
>>> + return false;
>> Because of return here you could eliminate 'found' flag at all.
> how?

while (++i < dw->sd_count) {
if (!strcmp(dw->sd[i].bus_id, param)) {
chan->private = &dw->sd[i];
last_dw = NULL;
last_bus_id = NULL;

return true;
}
}

last_dw = dw;
last_bus_id = param;
return false;

--
With Best Regards,
Andy Shevchenko
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