From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Igor Plyatov <plyatov@gmail.com>
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org,
NXP Linux Team <linux-imx@nxp.com>,
Fabio Estevam <festevam@gmail.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Sascha Hauer <s.hauer@pengutronix.de>,
Shawn Guo <shawnguo@kernel.org>, Mark Brown <broonie@kernel.org>,
dmaengine@vger.kernel.org, Vinod Koul <vkoul@kernel.org>,
Dan Williams <dan.j.williams@intel.com>,
Andy Duan <fugang.duan@nxp.com>, Han Xu <han.xu@nxp.com>,
Robin Gong <yibin.gong@nxp.com>,
Clark Wang <xiaoning.wang@nxp.com>
Subject: Re: Issues with i.MX SPI DMA transfers
Date: Thu, 28 Mar 2019 07:52:47 +0100 [thread overview]
Message-ID: <20190328065247.uz73lap7ljf5q3tb@pengutronix.de> (raw)
In-Reply-To: <08fcbd65-510f-84f8-d6d6-ff56aa9ca9ad@gmail.com>
Hello Igor,
On Wed, Mar 27, 2019 at 08:40:00PM +0300, Igor Plyatov wrote:
> please, help to resolve two issues with SPI DMA transfers at i.MX6Q
> platform.
>
> First issue is
> [ 4465.008003] spi_master spi0: I/O Error in DMA RX
>
> Second issue is duplication for one of received bytes.
>
> Probably, these issues related to each one.
This is probably the same problem I hit some time ago. Check ERR009165
in the errata. You either need to disable DMA or need a fixed
sdma-Script.
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
next prev parent reply other threads:[~2019-03-28 6:52 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-27 17:40 Issues with i.MX SPI DMA transfers Igor Plyatov
2019-03-28 2:37 ` Aisheng Dong
2019-03-28 6:58 ` Igor Plyatov
2019-03-28 6:52 ` Uwe Kleine-König [this message]
2019-03-28 7:04 ` Igor Plyatov
2019-03-28 7:21 ` Robin Gong
2019-03-28 8:22 ` Uwe Kleine-König
2019-03-29 11:57 ` Igor Plyatov
2019-03-28 9:23 ` Robin Gong
2019-03-28 11:05 ` Igor Plyatov
2019-04-01 7:35 ` Robin Gong
2019-04-02 7:20 ` Igor Plyatov
2019-04-02 8:32 ` Robin Gong
2019-04-02 12:15 ` Igor Plyatov
2019-04-03 7:38 ` Robin Gong
2019-04-03 15:51 ` Igor Plyatov
2019-04-08 10:18 ` Robin Gong
2019-04-18 10:35 ` Marc Gonzalez
2019-04-03 17:13 ` Igor Plyatov
2019-04-09 3:26 ` Robin Gong
2019-04-18 1:19 ` Robin Gong
2019-04-18 6:30 ` Igor Plyatov
2019-04-18 8:05 ` Robin Gong
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