[Linux-stm32] [PATCH 5/6] i2c: i2c-stm32f7: allow controller to be wakeup-source

[Wolfram Sang]

On Mon, Jan 06, 2020 at 02:28:33PM +0100, Alain Volmat wrote:
> Allow the i2c-stm32f7 controller to become a wakeup-source
> of the system. In such case, when a slave is registered to the
> I2C controller, receiving a I2C message targeting that registered
> slave address wakes up the suspended system.
> 
> In order to be able to wake-up, the I2C controller DT node
> must have the property wakeup-source defined and a slave
> must be registered.
> 
> Signed-off-by: Alain Volmat <alain.volmat at st.com>

Applied to for-next, thanks!

> +static void stm32f7_i2c_enable_wakeup(struct stm32f7_i2c_dev *i2c_dev,
> +				      bool enable)
> +{
> +	void __iomem *base = i2c_dev->base;
> +	u32 mask = STM32F7_I2C_CR1_WUPEN;

...

I wondered why we can't move this more up to avoid the forward
declaration?

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