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Date: Fri, 1 Jul 2011 00:19:42 -0700 From: Tony Lindgren <tony@...mide.com> To: Scott Ellis <scott@...pnowtek.com> Cc: linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Russell King <linux@....linux.org.uk> Subject: Re: [PATCH] DMA: OMAP: Remove extra looping from omap_request_dma * Scott Ellis <scott@...pnowtek.com> [110629 20:58]: > Break from dma channel search when a free one is found. Care to describe how the current code is not finding a free channel currently? Tony > Signed-off-by: Scott Ellis <scott@...pnowtek.com> > --- > arch/arm/plat-omap/dma.c | 5 ++--- > 1 files changed, 2 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c > index c22217c..3d36fcf 100644 > --- a/arch/arm/plat-omap/dma.c > +++ b/arch/arm/plat-omap/dma.c > @@ -678,10 +678,9 @@ int omap_request_dma(int dev_id, const char *dev_name, > > spin_lock_irqsave(&dma_chan_lock, flags); > for (ch = 0; ch < dma_chan_count; ch++) { > - if (free_ch == -1 && dma_chan[ch].dev_id == -1) { > + if (dma_chan[ch].dev_id == -1) { > free_ch = ch; > - if (dev_id == 0) > - break; > + break; > } > } > if (free_ch == -1) { > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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