From mboxrd@z Thu Jan 1 00:00:00 1970 From: mika.westerberg@iki.fi (Mika Westerberg) Date: Tue, 7 Jun 2011 20:14:04 +0300 Subject: [PATCH v2 5/5] spi/ep93xx: add DMA support In-Reply-To: <20110603204400.GH17972@ponder.secretlab.ca> References: <4b27fc93b7df900943e7c12084a8340cbc5fe1a8.1306662317.git.mika.westerberg@iki.fi> <20110603204400.GH17972@ponder.secretlab.ca> Message-ID: <20110607171403.GA3011@acer> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Jun 03, 2011 at 02:44:00PM -0600, Grant Likely wrote: > On Sun, May 29, 2011 at 01:10:06PM +0300, Mika Westerberg wrote: > > This patch adds DMA support for the EP93xx SPI driver. By default the DMA is > > not enabled but it can be enabled by setting ep93xx_spi_info.use_dma to true > > in board configuration file. > > > > Note that the SPI driver still uses PIO for small transfers (<= 8 bytes) for > > performance reasons. > > > > Signed-off-by: Mika Westerberg > > Acked-by: H Hartley Sweeten > > Cc: Grant Likely > > Acked-by: Grant Likely > > Since this depends on the DMA patches, it can go in via the same tree. I just realized that once the SPI driver renaming patch (spi: reorganize drivers) enters linux-next, this patch (which sits on Vinod's tree) will cause a merge conflict. Any ideas how to avoid it beforehand?