On 7/30/2013 9:17 AM, Joel Fernandes wrote:
>>> diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c
>>> index a432e6c..765d578 100644
>>> --- a/arch/arm/common/edma.c
>>> +++ b/arch/arm/common/edma.c
>>> + } else {
>>> + for (; i < pdev->num_resources; i++) {
>>> + if ((pdev->resource[i].flags & IORESOURCE_DMA) &&
>>> + (int)pdev->resource[i].start >= 0) {
>>> + ctlr = EDMA_CTLR(pdev->resource[i].start);
>>> + clear_bit(EDMA_CHAN_SLOT(
>>> + pdev->resource[i].start),
>>> + edma_cc[ctlr]->edma_unused);
>>> + }
>>
>> So there is very little in common between OF and non-OF versions of this
>> function. Why not have two different versions of this function for the
>> two cases? The OF version can reside under the CONFIG_OF conditional
>> already in use in the file. This will also save you the ugly line breaks
>> you had to resort to due to too deep indentation.
>
> Actually those line breaks are not necessary and wouldn't result in
> compilation errors. I was planning to drop them. I'll go ahead and split
> it out anyway, now that also the OF version of the function is going to
> be bit longer if we use the of_parse functions.
>
> Thanks for your review,
It turns out, I gave a bad idea. What I suggested will break the case of
non-DT boot with CONFIG_OF enabled. So what you had was fine. May be
just return from "if (dev->of_node)" so you don't need to have an else
block and can save on the indentation.
Thanks,
Sekhar
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