From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Ujfalusi Subject: [PATCH v2 0/2] dmaengine: ti: omap-dma: Improved polling support Date: Tue, 16 Jul 2019 11:24:57 +0300 Message-ID: <20190716082459.1222-1-peter.ujfalusi@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: vkoul@kernel.org Cc: dmaengine@vger.kernel.org, dan.j.williams@intel.com, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: linux-omap@vger.kernel.org Hi, changes since v1: - New preparation cleanup patch - Simplified code for the main patch to be easier to read This series fine-tunes the omap-dma polled memcpy support to be inline with how the EDMA driver is handling it. The polled completion can be tested by applying: https://patchwork.kernel.org/patch/10966499/ and run the dmatest with polled = 1 on boards where sDMA is used. Or boot up any dra7 family device with display enabled. The workaround for DMM errata i878 uses polled DMA memcpy. Regards, Peter --- Peter Ujfalusi (2): dmaengine: ti: omap-dma: Readability cleanup in omap_dma_tx_status() dmaengine: ti: omap-dma: Improved memcpy polling support drivers/dma/ti/omap-dma.c | 52 +++++++++++++++++++++++++-------------- 1 file changed, 33 insertions(+), 19 deletions(-) -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki