Arnd,
On Tue, Sep 23, 2014 at 12:39:04PM +0200, Arnd Bergmann wrote:
> On Tuesday 23 September 2014 12:28:03 Antoine Tenart wrote:
> > + if (dev->of_node) {
> > + ret = ci_hdrc_usb2_dt_probe(dev, ci_pdata);
> > + if (ret)
> > + goto clk_err;
> > + } else {
> > + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
> > + if (ret)
> > + goto clk_err;
> > + }
> >
>
> Why do you care about the non-DT case here? I think it would be nicer to
> open-code the ci_hdrc_usb2_dt_probe() function in here and remove
> the dma_set_mask_and_coherent(), which should not even be necessary for
> the case where you have a hardwired platform device.
>
I thought we agreed to call dma_set_mask_and_coherent():
http://lists.infradead.org/pipermail/linux-arm-kernel/2014-July/273335.html
I do not have a strong opinion on this as I only use the dt case for my
usage.
Antoine
--
Antoine Ténart, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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