Re: Patch "ARM: dts: LogicPD Torpedo: Fix I2C1 pinmux" has been added to the 4.4-stable tree

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On Mon, Mar 19, 2018 at 4:27 PM,  <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> This is a note to let you know that I've just added the patch titled
>
>     ARM: dts: LogicPD Torpedo: Fix I2C1 pinmux
>
> to the 4.4-stable tree which can be found at:
>     http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
>
> The filename of the patch is:
>      arm-dts-logicpd-torpedo-fix-i2c1-pinmux.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@xxxxxxxxxxxxxxx> know about it.


This commit was reverted in 4.4.122:
8d02a5519885 Revert "ARM: dts: LogicPD Torpedo: Fix I2C1 pinmux"

Is this a mistake that it came back again?

...Juerg



> From 74402055a2d3ec998a1ded599e86185a27d9bbf4 Mon Sep 17 00:00:00 2001
> From: Adam Ford <aford173@xxxxxxxxx>
> Date: Thu, 25 Jan 2018 14:10:37 -0600
> Subject: ARM: dts: LogicPD Torpedo: Fix I2C1 pinmux
>
> From: Adam Ford <aford173@xxxxxxxxx>
>
> commit 74402055a2d3ec998a1ded599e86185a27d9bbf4 upstream.
>
> The pinmuxing was missing for I2C1 which was causing intermittent issues
> with the PMIC which is connected to I2C1.  The bootloader did not quite
> configure the I2C1 either, so when running at 2.6MHz, it was generating
> errors at time.
>
> This correctly sets the I2C1 pinmuxing so it can operate at 2.6MHz
>
> Fixes: 687c27676151 ("ARM: dts: Add minimal support for LogicPD Torpedo
> DM3730 devkit")
>
> Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>
> ---
>  arch/arm/boot/dts/logicpd-torpedo-som.dtsi |    8 ++++++++
>  1 file changed, 8 insertions(+)
>
> --- a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
> +++ b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
> @@ -90,6 +90,8 @@
>  };
>
>  &i2c1 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&i2c1_pins>;
>         clock-frequency = <2600000>;
>
>         twl: twl@48 {
> @@ -137,6 +139,12 @@
>                         OMAP3_CORE1_IOPAD(0x218e, PIN_OUTPUT | MUX_MODE4)       /* mcbsp1_fsr.gpio_157 */
>                 >;
>         };
> +       i2c1_pins: pinmux_i2c1_pins {
> +               pinctrl-single,pins = <
> +                       OMAP3_CORE1_IOPAD(0x21ba, PIN_INPUT | MUX_MODE0)        /* i2c1_scl.i2c1_scl */
> +                       OMAP3_CORE1_IOPAD(0x21bc, PIN_INPUT | MUX_MODE0)        /* i2c1_sda.i2c1_sda */
> +               >;
> +       };
>  };
>
>  &omap3_pmx_core2 {
>
>
> Patches currently in stable-queue which might be from aford173@xxxxxxxxx are
>
> queue-4.4/arm-dts-logicpd-torpedo-fix-i2c1-pinmux.patch



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