On Thu, Jun 21, 2018 at 07:10:00PM +0100, Nick Dyer wrote:
> The pinctrl settings were incorrect for the touchscreen interrupt line, causing
> an interrupt storm. This change has been tested with both the atmel_mxt_ts and
> RMI4 drivers on the RDU1 units.
>
> The value 0x4 comes from the value of register IOMUXC_SW_PAD_CTL_PAD_CSI1_D8
> from the old vendor kernel.
>
> Signed-off-by: Nick Dyer <nick@xxxxxxxxxxxxx>
> Fixes: ceef0396f367 ("ARM: dts: imx: add ZII RDU1 board")
> Cc: <stable@xxxxxxxxxxxxxxx> # 4.15+
> Reviewed-by: Fabio Estevam <fabio.estevam@xxxxxxx>
> Tested-by: Chris Healy <cphealy@xxxxxxxxx>
Applied, thanks.
> ---
> Changes in v5:
> - Add tested by Chris Healy
> Changes in v4:
> - Add reviewed by Fabio
You do not have to send new version just for collecting review and test
tags. I will do that when applying.
Shawn
> Changes in v3:
> - Update commit message to add source of 0x4 value, fixes tag and CC stable
> Changes in v2:
> - Use hex, only alter IRQ line config
>
> arch/arm/boot/dts/imx51-zii-rdu1.dts | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/imx51-zii-rdu1.dts b/arch/arm/boot/dts/imx51-zii-rdu1.dts
> index df9eca94d812..8a878687197b 100644
> --- a/arch/arm/boot/dts/imx51-zii-rdu1.dts
> +++ b/arch/arm/boot/dts/imx51-zii-rdu1.dts
> @@ -770,7 +770,7 @@
>
> pinctrl_ts: tsgrp {
> fsl,pins = <
> - MX51_PAD_CSI1_D8__GPIO3_12 0x85
> + MX51_PAD_CSI1_D8__GPIO3_12 0x04
> MX51_PAD_CSI1_D9__GPIO3_13 0x85
> >;
> };
> --
> 2.17.1
>
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