Messages in this thread | | | Subject | Re: [RFC patch] DMA engine/Langwell: release LLI pool | From | "Koul, Vinod" <> | Date | Mon, 08 Aug 2011 22:54:09 +0530 |
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On Wed, 2011-07-27 at 21:24 +0800, Hillf Danton wrote: > When releasing resources allocated before for DMA channel, checking LLI pool is > added and it is reclaimed if still available. > > Signed-off-by: Hillf Danton <dhillf@gmail.com> > --- > drivers/dma/intel_mid_dma.c | 8 ++++++++ > 1 files changed, 8 insertions(+), 0 deletions(-) > > diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c > index f653517..4c758fc 100644 > --- a/drivers/dma/intel_mid_dma.c > +++ b/drivers/dma/intel_mid_dma.c > @@ -833,6 +833,10 @@ static void > intel_mid_dma_free_chan_resources(struct dma_chan *chan) And this one, as well > midc->descs_allocated = 0; > list_for_each_entry_safe(desc, _desc, &midc->active_list, desc_node) { > list_del(&desc->desc_node); > + if (desc->lli != NULL) { > + pci_pool_free(desc->lli_pool, desc->lli, desc->lli_phys); > + pci_pool_destroy(desc->lli_pool); > + } > pci_pool_free(mid->dma_pool, desc, desc->txd.phys); > } > list_for_each_entry_safe(desc, _desc, &midc->free_list, desc_node) { > @@ -841,6 +845,10 @@ static void > intel_mid_dma_free_chan_resources(struct dma_chan *chan) > } > list_for_each_entry_safe(desc, _desc, &midc->queue, desc_node) { > list_del(&desc->desc_node); > + if (desc->lli != NULL) { > + pci_pool_free(desc->lli_pool, desc->lli, desc->lli_phys); > + pci_pool_destroy(desc->lli_pool); > + } > pci_pool_free(mid->dma_pool, desc, desc->txd.phys); > } > spin_unlock_bh(&midc->lock); > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
-- ~Vinod
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