Hi Wolfram, I have ported my i.MX6 patches on your patch stack and tested the reboot handler on my i.MX6 Solo Board. Works without lockdep and non-atomic warnings so far. Kind Regards, Stefan Stefan Christ (1): ARM: dts: phyboard-mira-dl: rely on PMIC for reboot and watchdog Stefan Lengfeld (2): i2c: imx: implement master_xfer_irqless callback watchdog: da9062: avoid regmap in restart handler arch/arm/boot/dts/imx6dl-phytec-mira-rdk-nand.dts | 8 ++ drivers/i2c/busses/i2c-imx.c | 128 ++++++++++++++++------ drivers/mfd/da9062-core.c | 1 + drivers/watchdog/da9062_wdt.c | 17 ++- include/linux/mfd/da9062/core.h | 1 + 5 files changed, 116 insertions(+), 39 deletions(-) -- 2.16.4