Messages in this thread | | | From | Leo Li <> | Subject | RE: [BUG] ls1046a: eDMA does not transfer data from I2C | Date | Mon, 19 Sep 2022 22:40:51 +0000 |
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> -----Original Message----- > From: Sean Anderson <sean.anderson@seco.com> > Sent: Monday, September 19, 2022 5:24 PM > To: Oleksij Rempel <linux@rempel-privat.de>; Pengutronix Kernel Team > <kernel@pengutronix.de>; linux-i2c@vger.kernel.org; linux-arm-kernel > <linux-arm-kernel@lists.infradead.org>; Vinod Koul <vkoul@kernel.org>; > dmaengine@vger.kernel.org > Cc: Sumit Semwal <sumit.semwal@linaro.org>; Christian König > <christian.koenig@amd.com>; Linux Kernel Mailing List <linux- > kernel@vger.kernel.org>; linux-media@vger.kernel.org; dri- > devel@lists.freedesktop.org; linaro-mm-sig@lists.linaro.org; Joy Zou > <joy.zou@nxp.com>; Peng Ma <peng.ma@nxp.com>; Robin Gong > <yibin.gong@nxp.com>; Shawn Guo <shawnguo@kernel.org>; Leo Li > <leoyang.li@nxp.com> > Subject: [BUG] ls1046a: eDMA does not transfer data from I2C > > Hi all, > > I discovered a bug in either imx_i2c or fsl-edma on the LS1046A where no > data is read in i2c_imx_dma_read except for the last two bytes (which are > not read using DMA). This is perhaps best illustrated with the following > example:
What is the kernel tree/tag that you are testing with?
Regards, Leo
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