From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:60016 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754584AbdK1Kkl (ORCPT ); Tue, 28 Nov 2017 05:40:41 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Shawn Guo , Jun Nie , Vinod Koul , Sasha Levin Subject: [PATCH 4.9 100/138] dmaengine: zx: set DMA_CYCLIC cap_mask bit Date: Tue, 28 Nov 2017 11:23:21 +0100 Message-Id: <20171128100552.634784244@linuxfoundation.org> In-Reply-To: <20171128100544.706504901@linuxfoundation.org> References: <20171128100544.706504901@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Shawn Guo [ Upstream commit fc318d64f3d91e15babac00e08354b1beb650b57 ] The zx_dma driver supports cyclic transfer mode. Let's set DMA_CYCLIC cap_mask bit to make that clear, and avoid unnecessary failure when clients request channel via dma_request_chan_by_mask() with DMA_CYCLIC bit set in mask. Signed-off-by: Shawn Guo Reviewed-by: Jun Nie Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/dma/zx296702_dma.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/dma/zx296702_dma.c +++ b/drivers/dma/zx296702_dma.c @@ -813,6 +813,7 @@ static int zx_dma_probe(struct platform_ INIT_LIST_HEAD(&d->slave.channels); dma_cap_set(DMA_SLAVE, d->slave.cap_mask); dma_cap_set(DMA_MEMCPY, d->slave.cap_mask); + dma_cap_set(DMA_CYCLIC, d->slave.cap_mask); dma_cap_set(DMA_PRIVATE, d->slave.cap_mask); d->slave.dev = &op->dev; d->slave.device_free_chan_resources = zx_dma_free_chan_resources;