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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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- Refresh all patches
- Removed upstreamed
- Adapted 1
Compile tested on: bcm53xx, cns3xxx, imx6, lantiq
Run tested on: cns3xxx & imx6
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
[update from 4.9.28 to 4.9.29]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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The IMX6 PCIe host controller does not fire legacy interrupts if MSI is
enabled. A patch is being worked on to enable MSI at runtime only when
it is needed but meanwhile this patch will disable MSI for the imx6 kernel.
This fixes the no interrupt issue on cards/drivers that use legacy interrupts
such as ath9k.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc.git/commit/?h=fixes&id=9f327845358d3dd0d8a5a7a5436b0aa5c432e757
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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