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Groups > linux.kernel > #1334580
| From | Vinod Koul <vinod.koul@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 4/4] dmaengine: pxa_dma: fix the maximum requestor line |
| Date | 2016-02-15 17:40 +0100 |
| Message-ID | <r2ulP-3v3-1@gated-at.bofh.it> (permalink) |
| References | <r16Yi-5Zm-13@gated-at.bofh.it> <r16Yj-5Zm-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Feb 11, 2016 at 10:23:18PM +0100, Robert Jarzmik wrote:
> @@ -1399,13 +1405,17 @@ static int pxad_probe(struct platform_device *op)
> return PTR_ERR(pdev->base);
>
> of_id = of_match_device(pxad_dt_ids, &op->dev);
> - if (of_id)
> + if (of_id) {
> of_property_read_u32(op->dev.of_node, "#dma-channels",
> &dma_channels);
> - else if (pdata && pdata->dma_channels)
> + of_property_read_u32(op->dev.of_node, "#requestors",
> + &nb_requestors);
I think we should check the return value here. This might be err in case
when we have older DT on platform, but still should work with default in
that case
> + } else if (pdata && pdata->dma_channels) {
> dma_channels = pdata->dma_channels;
> - else
> + nb_requestors = pdata->nb_requestors;
> + } else {
> dma_channels = 32; /* default 32 channel */
> + }
--
~Vinod
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[PATCH 4/4] dmaengine: pxa_dma: fix the maximum requestor line Robert Jarzmik <robert.jarzmik@free.fr> - 2016-02-11 22:30 +0100
Re: [PATCH 4/4] dmaengine: pxa_dma: fix the maximum requestor line Vinod Koul <vinod.koul@intel.com> - 2016-02-15 17:40 +0100
Re: [PATCH 4/4] dmaengine: pxa_dma: fix the maximum requestor line Vinod Koul <vinod.koul@intel.com> - 2016-02-15 18:30 +0100
Re: [PATCH 4/4] dmaengine: pxa_dma: fix the maximum requestor line Robert Jarzmik <robert.jarzmik@free.fr> - 2016-02-15 19:30 +0100
Re: [PATCH 4/4] dmaengine: pxa_dma: fix the maximum requestor line Robert Jarzmik <robert.jarzmik@free.fr> - 2016-02-15 18:30 +0100
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