linux-kernel - Re: [PATCH 5/6] i2c: i2c-stm32f7: allow controller to be wakeup-source

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Date:   Fri, 31 Jan 2020 07:56:55 +0100
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Alain Volmat <alain.volmat@...com>
Cc:     robh+dt@...nel.org, mark.rutland@....com,
        pierre-yves.mordret@...com, mcoquelin.stm32@...il.com,
        alexandre.torgue@...com, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        fabrice.gasnier@...com
Subject: Re: [PATCH 5/6] i2c: i2c-stm32f7: allow controller to be
 wakeup-source

On Thu, Jan 30, 2020 at 09:39:27AM +0100, Wolfram Sang wrote:
> 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@...com>
> 
> Applied to for-next, thanks!

And I will drop it again because buildbot rightfully complains:


> Reported-by: kbuild test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 
>    drivers/i2c/busses/i2c-stm32f7.c: In function 'stm32f7_i2c_suspend':
> >> drivers/i2c/busses/i2c-stm32f7.c:2199:44: error: 'struct dev_pm_info' has no member named 'wakeup_path'
>      if (!device_may_wakeup(dev) && !dev->power.wakeup_path) {
>                                                ^
>    drivers/i2c/busses/i2c-stm32f7.c: In function 'stm32f7_i2c_resume':
>    drivers/i2c/busses/i2c-stm32f7.c:2218:44: error: 'struct dev_pm_info' has no member named 'wakeup_path'
>      if (!device_may_wakeup(dev) && !dev->power.wakeup_path) {
>                                                ^

wakeup_path is only there if CONFIG_PM. Please fix and send a new
version.


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