On 9/19/22 6:40 PM, Leo Li wrote:
>
>
>> -----Original Message-----
>> From: Sean Anderson <sean.ander...@seco.com>
>> Sent: Monday, September 19, 2022 5:24 PM
>> To: Oleksij Rempel <li...@rempel-privat.de>; Pengutronix Kernel Team
>> <ker...@pengutronix.de>; linux-...@vger.kernel.org; linux-arm-kernel
>> <linux-arm-ker...@lists.infradead.org>; Vinod Koul <vk...@kernel.org>;
>> dmaeng...@vger.kernel.org
>> Cc: Sumit Semwal <sumit.sem...@linaro.org>; Christian König
>> <christian.koe...@amd.com>; Linux Kernel Mailing List <linux-
>> ker...@vger.kernel.org>; linux-me...@vger.kernel.org; dri-
>> de...@lists.freedesktop.org; linaro-mm-...@lists.linaro.org; Joy Zou
>> <joy....@nxp.com>; Peng Ma <peng...@nxp.com>; Robin Gong
>> <yibin.g...@nxp.com>; Shawn Guo <shawn...@kernel.org>; Leo Li
>> <leoyang...@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?
5.15.40
Sorry, I forgot to put that in the first email. I can test with
linux/master, but I reviewed the different commits and I did not think
there would be any difference. I also cherry-picked the eDMA memcpy
commit, but the dma test passed.
--Sean