[PATCH 3/7] MTD: pxa3xx-nand: add devicetree bindings
Daniel Mack
zonque at gmail.com
Thu Jul 26 02:53:49 EDT 2012
On 26.07.2012 08:30, Arnd Bergmann wrote:
> On Thursday 26 July 2012, Marek Vasut wrote:
>>> - r = platform_get_resource(pdev, IORESOURCE_DMA, 0);
>>> - if (r == NULL) {
>>> - dev_err(&pdev->dev, "no resource defined for data DMA\n");
>>> - ret = -ENXIO;
>>> - goto fail_put_clk;
>>> - }
>>> - info->drcmr_dat = r->start;
>>> + /*
>>> + * This is a dirty hack to make this driver work from devicetree
>>> + * bindings. It can be removed once we have a prober DMA controller
>>> + * framework for DT.
>>> + */
>>> + if (pdev->dev.of_node && cpu_is_pxa3xx()) {
>>> + info->drcmr_dat = 97;
>>> + info->drcmr_cmd = 99;
>>
>> cpu_is_() stuff should begone ... besides, what are these numbers here?
>
> They are the numbers from the DMA resource. It's ugly but I think reasonable
> to do this here. We will clean it up soon, once the bindings are in place.
>
> I did notice though the the two "info->drcmr_dat = r->start" assignments in
> the non-DT case are removed here. I think that's a bug.
Eh, right you are. Fixed.
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