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openwrtv4/target/linux
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Koen Vandeputte efb362cd93 imx6: disable dma on uart 
When this target got updated to 4.14, this patch got removed to
re-evaluate if it was still needed.

Extensive testing now shows this issue is still present.
Let's re-add the patch to fix it for now.

As the uart bus is very low bandwidth .. performance impact is negligible.

Boot log:

[   22.513051] imx-uart 2020000.serial: DMA transaction error.
[   22.522721] imx-uart 2020000.serial: DMA transaction error.

As a sidenote:
The patch mentiones an issue with RS485, but the bootlog
errors above were recorded with the uart ports in standard RS232 mode.

Compile/Run-tested on imx6/GW5200

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2018-02-22 12:46:49 +01:00
..
adm5120 treewide: remove obsolete sysupgrade watchdog kill 2018-02-16 14:44:02 +01:00
adm8668
apm821xx treewide: move nand_do_upgrade call to platform_do_upgrade 2018-02-16 14:44:02 +01:00
ar7 kernel: bump 4.9 to 4.9.82 2018-02-18 02:59:57 +01:00
ar71xx kernel: bump 4.9 to 4.9.82 2018-02-18 02:59:57 +01:00
arc770 arc770: mark as source-only 2017-10-28 13:59:03 +02:00
archs38 kernel: bump 4.14 to 4.14.20 2018-02-18 02:59:48 +01:00
armvirt armvirt: Resync kernel configuration 2018-01-12 15:14:27 -08:00
at91 at91: fix image building with CONFIG_TARGET_MULTI_PROFILE 2018-02-14 15:47:16 +01:00
ath25 build: replace uses of OpenWrt with $(VERSION_DIST) 2018-02-05 10:15:53 +01:00
au1000 treewide: remove obsolete sysupgrade watchdog kill 2018-02-16 14:44:02 +01:00
bcm53xx bcm53xx: rename SPI driver fix to use 0xx prefix as it was accepted 2018-01-12 23:29:48 +01:00
brcm47xx brcm47xx: image: build firmware for Asus WL-500g Deluxe 2017-12-29 23:18:19 +01:00
brcm63xx brcm63xx: drop root parameter from cmdline 2018-02-13 13:17:26 +01:00
brcm2708 Revert "brcm2708: fix sdcard image" 2018-02-19 23:52:45 +01:00
cns3xxx treewide: remove obsolete sysupgrade watchdog kill 2018-02-16 14:44:02 +01:00
gemini kernel: Update kernel 4.4 to 4.4.100 2017-11-25 19:48:39 +01:00
generic kernel: refresh patches 2018-02-22 12:46:25 +01:00
imx6 imx6: disable dma on uart 2018-02-22 12:46:49 +01:00
ipq806x ipq806x: add support for GL.iNet GL-B1300 2018-02-14 09:40:32 +01:00
ixp4xx kernel: bump 4.9 to 4.9.82 2018-02-18 02:59:57 +01:00
kirkwood kernel: bump 4.9 to 4.9.77 2018-01-20 20:22:01 +01:00
lantiq lantiq: kernel 4.14: update dts files 2018-02-20 19:25:17 +01:00
layerscape kernel: bump 4.9 to 4.9.82 2018-02-18 02:59:57 +01:00
malta malta: bump tp v4.14 2018-01-09 10:26:16 +01:00
mcs814x build: replace uses of OpenWrt with $(VERSION_DIST) 2018-02-05 10:15:53 +01:00
mediatek kernel: bump 4.14 to 4.14.20 2018-02-18 02:59:48 +01:00
mpc85xx kernel: bump 4.9 to 4.9.82 2018-02-18 02:59:57 +01:00
mvebu kernel: refresh patches 2018-02-22 12:46:25 +01:00
mxs mxs: drop support for 4.9 2018-02-20 13:25:00 +01:00
octeon octeon: switch to kernel 4.14 2018-02-08 19:04:38 +01:00
octeontx kernel: bump 4.14 to 4.14.20 2018-02-18 02:59:48 +01:00
omap omap: clean up configuration 2017-10-18 21:46:05 +02:00
omap24xx omap24xx: remove referece to not existing kmod-usb-musb-tusb6010 2018-01-15 13:13:34 +01:00
orion orion: Switch to 4.9 kernel 2017-10-24 18:39:17 -07:00
oxnas treewide: move nand_do_upgrade call to platform_do_upgrade 2018-02-16 14:44:02 +01:00
pistachio kernel: bump 4.9 to 4.9.82 2018-02-18 02:59:57 +01:00
ppc40x treewide: drop target board_name functions 2017-07-15 23:13:34 +02:00
ppc44x
ramips ramips: fix MT7621 switch driver IRQ storm on init with linux 4.14 2018-02-21 14:46:45 +01:00
rb532 treewide: move nand_do_upgrade call to platform_do_upgrade 2018-02-16 14:44:02 +01:00
sunxi sunxi: Add Xunlong Orange Pi Zero Plus 2018-02-17 01:15:25 +01:00
uml merge: targets: update image generation and targets 2017-12-08 19:41:18 +01:00
x86 x86: Use kernel 4.14 by default 2018-02-18 19:51:58 +01:00
xburst target: disable CONFIG_PROC_PAGE_MONITOR on most targets 2018-01-13 15:04:15 +01:00
zynq target: disable CONFIG_PROC_PAGE_MONITOR on most targets 2018-01-13 15:04:15 +01:00
Makefile