This is a note to let you know that I've just added the patch titled
ARM: dts: Fix compatible for ti81xx uarts for 8250
to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: arm-dts-fix-compatible-for-ti81xx-uarts-for-8250.patch and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Sun Nov 19 12:02:55 CET 2017
From: Tony Lindgren tony@atomide.com Date: Thu, 5 Jan 2017 11:17:30 -0800 Subject: ARM: dts: Fix compatible for ti81xx uarts for 8250
From: Tony Lindgren tony@atomide.com
[ Upstream commit f62280efe8934a1275fd148ef302d1afec8cd3df ]
When using 8250_omap driver, we need to specify the right compatible value for the UART to work on dm814x and dm816x.
Signed-off-by: Tony Lindgren tony@atomide.com Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/arm/boot/dts/dm814x.dtsi | 6 +++--- arch/arm/boot/dts/dm816x.dtsi | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-)
--- a/arch/arm/boot/dts/dm814x.dtsi +++ b/arch/arm/boot/dts/dm814x.dtsi @@ -138,7 +138,7 @@ };
uart1: uart@20000 { - compatible = "ti,omap3-uart"; + compatible = "ti,am3352-uart", "ti,omap3-uart"; ti,hwmods = "uart1"; reg = <0x20000 0x2000>; clock-frequency = <48000000>; @@ -148,7 +148,7 @@ };
uart2: uart@22000 { - compatible = "ti,omap3-uart"; + compatible = "ti,am3352-uart", "ti,omap3-uart"; ti,hwmods = "uart2"; reg = <0x22000 0x2000>; clock-frequency = <48000000>; @@ -158,7 +158,7 @@ };
uart3: uart@24000 { - compatible = "ti,omap3-uart"; + compatible = "ti,am3352-uart", "ti,omap3-uart"; ti,hwmods = "uart3"; reg = <0x24000 0x2000>; clock-frequency = <48000000>; --- a/arch/arm/boot/dts/dm816x.dtsi +++ b/arch/arm/boot/dts/dm816x.dtsi @@ -347,7 +347,7 @@ };
uart1: uart@48020000 { - compatible = "ti,omap3-uart"; + compatible = "ti,am3352-uart", "ti,omap3-uart"; ti,hwmods = "uart1"; reg = <0x48020000 0x2000>; clock-frequency = <48000000>; @@ -357,7 +357,7 @@ };
uart2: uart@48022000 { - compatible = "ti,omap3-uart"; + compatible = "ti,am3352-uart", "ti,omap3-uart"; ti,hwmods = "uart2"; reg = <0x48022000 0x2000>; clock-frequency = <48000000>; @@ -367,7 +367,7 @@ };
uart3: uart@48024000 { - compatible = "ti,omap3-uart"; + compatible = "ti,am3352-uart", "ti,omap3-uart"; ti,hwmods = "uart3"; reg = <0x48024000 0x2000>; clock-frequency = <48000000>;
Patches currently in stable-queue which might be from tony@atomide.com are
queue-4.4/arm-dts-fix-omap3-off-mode-pull-defines.patch queue-4.4/arm-dts-fix-compatible-for-ti81xx-uarts-for-8250.patch queue-4.4/arm-omap2-fix-init-for-multiple-quirks-for-the-same-soc.patch queue-4.4/arm-dts-fix-am335x-and-dm814x-scm-syscon-to-probe-children.patch