From: Subject: [PATCH v5 2/6] fsl-dma: remove attribute DMA_INTERRUPT of dmaengine Date: Wed, 1 Aug 2012 16:49:08 +0800 Message-ID: <1343810948-25343-1-git-send-email-qiang.liu@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , Qiang Liu , Dan Williams , Vinod Koul , Li Yang To: , , , Return-path: Received: from co1ehsobe002.messaging.microsoft.com ([216.32.180.185]:20258 "EHLO co1outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752171Ab2HAJOF (ORCPT ); Wed, 1 Aug 2012 05:14:05 -0400 Sender: linux-crypto-owner@vger.kernel.org List-ID: From: Qiang Liu Delete attribute DMA_INTERRUPT because fsl-dma doesn't support this function, exception will be thrown if talitos is used to offload xor at the same time. Cc: Dan Williams Cc: Vinod Koul Cc: Li Yang Signed-off-by: Qiang Liu Acked-by: Ira W. Snyder --- drivers/dma/fsldma.c | 31 ------------------------------- 1 files changed, 0 insertions(+), 31 deletions(-) diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 8f84761..4f2f212 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -543,35 +543,6 @@ static void fsl_dma_free_chan_resources(struct dma_chan *dchan) } static struct dma_async_tx_descriptor * -fsl_dma_prep_interrupt(struct dma_chan *dchan, unsigned long flags) -{ - struct fsldma_chan *chan; - struct fsl_desc_sw *new; - - if (!dchan) - return NULL; - - chan = to_fsl_chan(dchan); - - new = fsl_dma_alloc_descriptor(chan); - if (!new) { - chan_err(chan, "%s\n", msg_ld_oom); - return NULL; - } - - new->async_tx.cookie = -EBUSY; - new->async_tx.flags = flags; - - /* Insert the link descriptor to the LD ring */ - list_add_tail(&new->node, &new->tx_list); - - /* Set End-of-link to the last link descriptor of new list */ - set_ld_eol(chan, new); - - return &new->async_tx; -} - -static struct dma_async_tx_descriptor * fsl_dma_prep_memcpy(struct dma_chan *dchan, dma_addr_t dma_dst, dma_addr_t dma_src, size_t len, unsigned long flags) @@ -1352,12 +1323,10 @@ static int __devinit fsldma_of_probe(struct platform_device *op) fdev->irq = irq_of_parse_and_map(op->dev.of_node, 0); dma_cap_set(DMA_MEMCPY, fdev->common.cap_mask); - dma_cap_set(DMA_INTERRUPT, fdev->common.cap_mask); dma_cap_set(DMA_SG, fdev->common.cap_mask); dma_cap_set(DMA_SLAVE, fdev->common.cap_mask); fdev->common.device_alloc_chan_resources = fsl_dma_alloc_chan_resources; fdev->common.device_free_chan_resources = fsl_dma_free_chan_resources; - fdev->common.device_prep_dma_interrupt = fsl_dma_prep_interrupt; fdev->common.device_prep_dma_memcpy = fsl_dma_prep_memcpy; fdev->common.device_prep_dma_sg = fsl_dma_prep_sg; fdev->common.device_tx_status = fsl_tx_status; -- 1.7.5.1