On 06/29/2012 05:30 AM, Laxman Dewangan wrote:
> Use the dmaengine based Tegra APB DMA driver for
> apbio access in place of legacy Tegra APB DMA.
>
> The new driver is selected if legacy driver is not
> selected and new DMA driver is enabled through config
> file.
> +bool tegra_apb_dma_init(void)
> +{
...
> + tegra_apb_dma_chan = dma_request_channel(mask, NULL, NULL);
> + if (!tegra_apb_dma_chan) {
> + pr_err("%s: can not allocate dma channel\n", __func__);
> + goto err_dma_alloc;
> + }
That fires quite a few times during boot, before the DMA driver is
probed. I think the message should be down-graded to a pr_dbg(). Do you
agree? I can fix that myself when applying this if you're OK with the
change.
Aside from that, this looks fine to me.
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