From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergey Suloev Subject: [PATCH v2 0/6] spi: Add support for DMA transfers in sun4i SPI driver Date: Tue, 3 Apr 2018 18:28:59 +0300 Message-ID: <20180403152905.1524-1-ssuloev@orpaltech.com> Cc: linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Sergey Suloev To: Mark Brown , Maxime Ripard , Chen-Yu Tsai Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org The following patchset provides corrections for PIO-mode and support for DMA transfers in sun4i SPI driver. Changes in v2: 1) Restored processing of 3/4 FIFO full interrupt. 2) Debug log enhancements. Sergey Suloev (6): spi: core: handle timeout error from transfer_one() spi: sun4i: restrict transfer length in PIO-mode spi: sun4i: coding style/readability improvements spi: sun4i: use completion provided by SPI core driver spi: sun4i: introduce register set/unset helpers spi: sun4i: add DMA transfers support drivers/spi/spi-sun4i.c | 442 +++++++++++++++++++++++++++++++++++++----------- drivers/spi/spi.c | 5 +- 2 files changed, 347 insertions(+), 100 deletions(-) -- 2.16.2