From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ludovic Barre Subject: [PATCH 0/2] spi: stm32-qspi: add dma support Date: Fri, 22 Mar 2019 15:35:52 +0100 Message-ID: <1553265354-16433-1-git-send-email-ludovic.Barre@st.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Mark Brown , Marek Vasut , Boris Brezillon , Rob Herring Cc: Maxime Coquelin , Alexandre Torgue , linux-mtd@lists.infradead.org, linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, devicetree@vger.kernel.org, Ludovic Barre List-Id: devicetree@vger.kernel.org From: Ludovic Barre This patch series adds dma support for the stm32-qspi. In read mode, the memory map is preferred vs dma (due to better throughput). If the dma transfer fails the buffer is sent by polling. Ludovic Barre (2): spi: stm32-qspi: add spi_master_put in release function spi: stm32-qspi: add dma support drivers/spi/spi-stm32-qspi.c | 182 ++++++++++++++++++++++++++++++++++++++----- 1 file changed, 163 insertions(+), 19 deletions(-) -- 2.7.4