Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753212AbaKGSkR (ORCPT ); Fri, 7 Nov 2014 13:40:17 -0500 Received: from queue01c.mail.zen.net.uk ([212.23.3.237]:60068 "EHLO queue01c.mail.zen.net.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752509AbaKGSkN (ORCPT ); Fri, 7 Nov 2014 13:40:13 -0500 From: Jon Medhurst To: Vinod Koul , Dan Williams , dmaengine@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 0/2] dma: pl330: Fixes for DMA memcpy Date: Fri, 7 Nov 2014 18:05:16 +0000 Message-Id: <1415383518-29327-1-git-send-email-tixy@linaro.org> X-Mailer: git-send-email 2.1.1 X-Originating-smarthost01c-IP: [82.69.122.217] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a couple of patches I produced when trying to get dmatest to run with the pl330 driver. The second one is actually a theoretical fix because the FIFO on the platform I was using is too large for the tests to hit the limit, but the datasheet says the device can lockup if all the FIFO entries are exhausted, so it seems like a sensible precaution. Jon Medhurst (2): dma: pl330: Align DMA memcpy operations to MFIFO width dma: pl330: Limit MFIFO usage for memcpy to avoid exhausting entries drivers/dma/pl330.c | 16 ++++++++++++++-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/