Hi Nicolin,
I love your patch! Perhaps something to improve:
url:
https://github.com/0day-ci/linux/commits/Nicolin-Chen/hwmon-ina3221-Implement-PM-runtime-to-save-power/20181018-010754
base:
https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
hwmon-next
smatch
On Wed, Oct 17, 2018 at 12:44:30PM -0700, Guenter Roeck wrote:
> > + hdev->driver = dev->driver;
> > + hdev->power = dev->power;
> > + hdev->pm_domain = dev->pm_domain;
>
> dev can, unfortunately, be NULL
>
> > hdev->of_node = dev ? dev->of_node : NULL;
>
> ... as you can see here.
On Tue, Oct 16, 2018 at 06:24:22PM -0700, Nicolin Chen wrote:
> The new hdev is a child device related to the original parent
> hwmon driver and its device. However, it doesn't support the
> power features, typically being defined in the parent driver.
>
> So this patch inherits three necessary
The new hdev is a child device related to the original parent
hwmon driver and its device. However, it doesn't support the
power features, typically being defined in the parent driver.
So this patch inherits three necessary power properties from
the parent dev to hdev: power, pm_domain and driver
