From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v6 3/4] net: moxa: synchronize DMA memory Date: Mon, 25 Aug 2014 17:26:10 -0700 (PDT) Message-ID: <20140825.172610.496537032439062803.davem@davemloft.net> References: <1408976552-15659-1-git-send-email-jonas.jensen@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, f.fainelli@gmail.com, eric.dumazet@gmail.com, mirqus@gmail.com To: jonas.jensen@gmail.com Return-path: In-Reply-To: <1408976552-15659-1-git-send-email-jonas.jensen@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Jonas Jensen Date: Mon, 25 Aug 2014 16:22:32 +0200 > DMA memory should be synchronized before data is passed > to/from controller. > > Add dma_sync_single_for_cpu(.., DMA_FROM_DEVICE) to RX path > and dma_sync_single_for_device(.., DMA_TO_DEVICE) to TX path. > > Signed-off-by: Jonas Jensen Applied.