From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuan Yao Subject: [PATCH v4 0/2] i2c: add DMA support for freescale i2c driver Date: Fri, 4 Apr 2014 10:41:10 +0800 Message-ID: <1396579272-19542-1-git-send-email-yao.yuan@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org, marex-ynQEQJNshbs@public.gmane.org Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org, shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-i2c@vger.kernel.org Changed in v4: - cancelled "i2c_imx->use_dma". - changed "Dma" to "DMA". - add timeout handling for DMA transfer complete. Changed in v3: - fix a bug when request the DMA faild. - some minor fixes for coding style. - other minor fixes. Changed in v2: - remove has_dma_support property - unify i2c_imx_dma_rx and i2c_imx_dma_tx - unify i2c_imx_dma_read and i2c_imx_pio_read - unify i2c_imx_dma_write and i2c_imx_pio_write Added in v1: - Enable DMA if it's support DMA and transfer size bigger than the threshold. - Add device tree bindings for i2c eDMA support. - Add eDMA support for i2c driver.