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authorKoen Vandeputte <koen.vandeputte@ncentric.com>2017-05-29 11:58:01 +0200
committerJohn Crispin <john@phrozen.org>2017-05-31 08:45:26 +0200
commit3b4241071dd42e966bc4f120c91b55b4d377865c (patch)
tree9fac0039cbde7120b3ef385469d324d071c711ad /package/base-files/files/lib/upgrade/nand.sh
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imx6: disable UART dma
Fixes these prints on boot: [ 13.785600] imx-uart 2020000.serial: DMA transaction error. [ 13.793134] imx-uart 2020000.serial: DMA transaction error. [ 13.798721] imx-uart 2020000.serial: DMA transaction error. Based on following upstream patch by Tim Harvey (Gateworks): https://github.com/Gateworks/openwrt/commit/80a01b6582f94c4547f39d3a25e0a1e9b6eb9877 TX complete DMA messages are getting missed. This is also currently an issue in mainline. For now we will disable DMA in serial/imx.c. This resolves an issue encountered with RS485 transmit. Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
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