> > > intmask)
> > > * boundaries, but as we can't disable the feature
> > > * we need to at least restart the transfer.
> > > */
> > > - if (intmask & SDHCI_INT_DMA_END)
> > > - sdhci_writel(host, sdhci_readl(host, SDHCI_DMA_ADDRESS),
> > > - SDHCI_DMA_ADDRESS);
> > > + if (intmask & SDHCI_INT_DMA_END) {
> > > + u32 dmastart, dmanow;
> > > + dmastart = sg_dma_address(host->data->sg);
> >
> > Consecutive transfers won't work (I know you know ;)).
>
> I assume you mean a single transfer that exceeds whatever is
> defined in SDHCI_DEFAULT_BOUNDARY_SIZE. As long as
> it is kept at 512K things should be fine, but adding the auxiliary
> variable to facilitate smaller values would make the patch
> more invasive. Being an mmc non-hacker, I would rather leave
> that kind of invasive patches for others :)If you don't want to invest the effort, this is your decision, which is fine. Other than that, I'd say you are not missing the required skills for that change. (/me is just helping out here as well) Cheers, Wolfram -- Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ |
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