OMAP baseline test results for v3.7-rc3

Felipe Balbi balbi at ti.com
Tue Oct 30 14:51:02 EDT 2012


Hi,

On Tue, Oct 30, 2012 at 10:58:59AM -0700, Tony Lindgren wrote:
> * Felipe Balbi <balbi at ti.com> [121030 10:34]:
> > Hi,
> > 
> > On Tue, Oct 30, 2012 at 09:27:28AM -0700, Tony Lindgren wrote:
> > > * Vaibhav Hiremath <hvaibhav at ti.com> [121030 07:50]:
> > > > > 
> > > > > MMC is dependent on EDMA-DMA conversion patches from Matt, which he has 
> > > > > already submitted to the list recently. So MMC support will come along with
> > > > > EDMA support. DMA-EDMA patches are targeted for v3.8, lets see how it goes.
> > > 
> > > This is a bogus dependency, the MMC driver needs to also work
> > > without DMA.
> > 
> > heh, too bad driver errors out when it doesn't find DMA channels :-)
> 
> It should just print a warning instead and continue.
>  
> > 1869         host->rx_chan = dma_request_channel(mask, omap_dma_filter_fn, &rx_req);
> > 1870         if (!host->rx_chan) {
> > 1871                 dev_err(mmc_dev(host->mmc), "unable to obtain RX DMA engine channel %u\n", rx_req);
> > 1872                 ret = -ENXIO;
> > 1873                 goto err_irq;
> > 1874         }
> > 1875 
> > 1876         host->tx_chan = dma_request_channel(mask, omap_dma_filter_fn, &tx_req);
> > 1877         if (!host->tx_chan) {
> > 1878                 dev_err(mmc_dev(host->mmc), "unable to obtain TX DMA engine channel %u\n", tx_req);
> > 1879                 ret = -ENXIO;
> > 1880                 goto err_irq;
> > 1881         }
> > 
> > in fact, if DMAENGINE isn't enabled, this won't even compile due to
> > omap_dma_filter_fn() right ?
> 
> It should, CONFIG_DMADEVICES is optional. If it does not compile,
> then there's a bug somewhere.

you're right, there's a static inline nop for when we don't have omap
dma engine driver compiled.

nevermind.

-- 
balbi
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