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Re: Cyclic DMA - callback properties and tx_status residue |
On Thu, 2012-05-10 at 21:19 +0800, Huang Shijie wrote: > On Thu, May 10, 2012 at 6:58 PM, Vinod Koul <vinod.koul@xxxxxxxxxxxxxxx> wrote: > > On Thu, 2012-05-10 at 08:44 +0100, Russell King - ARM Linux wrote: > >> In fact, please look at both imx-dma.c _and_ imx-sdma.c - search for > >> "callback" and have a look at the code around there. > >> > >> You will find that imx-dma.c processes one descriptor per tasklet run, > >> and calls the callback under a spinlock. > >> > >> You'll find that imx-sdma.c always calls callbacks from IRQ context. > > Yup, let me try to fix them! > > > I ever sent you a patch to fix it. Yes :-), Thank You Looks fine, should show up in -next in a day or so... -- ~Vinod _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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