Hi Nick, Daniel, On 25/10/19 0:28, Nick Crews wrote: > Add a device to control the charging algorithm used on Wilco devices, > which will be picked up by the drivers/power/supply/wilco-charger.c > driver. See Documentation/ABI/testing/sysfs-class-power-wilco for the > userspace interface and other info. > > Signed-off-by: Nick Crews <ncrews@xxxxxxxxxxxx> Applied for 5.5. Thanks, Enric > --- > drivers/platform/chrome/wilco_ec/core.c | 15 ++++++++++++++- > include/linux/platform_data/wilco-ec.h | 2 ++ > 2 files changed, 16 insertions(+), 1 deletion(-) > > diff --git a/drivers/platform/chrome/wilco_ec/core.c b/drivers/platform/chrome/wilco_ec/core.c > index 36c78e52ff3c..5210c357feef 100644 > --- a/drivers/platform/chrome/wilco_ec/core.c > +++ b/drivers/platform/chrome/wilco_ec/core.c > @@ -98,6 +98,16 @@ static int wilco_ec_probe(struct platform_device *pdev) > goto unregister_rtc; > } > > + /* Register child device to be found by charger config driver. */ > + ec->charger_pdev = platform_device_register_data(dev, "wilco-charger", > + PLATFORM_DEVID_AUTO, > + NULL, 0); > + if (IS_ERR(ec->charger_pdev)) { > + dev_err(dev, "Failed to create charger platform device\n"); > + ret = PTR_ERR(ec->charger_pdev); > + goto remove_sysfs; > + } > + > /* Register child device that will be found by the telemetry driver. */ > ec->telem_pdev = platform_device_register_data(dev, "wilco_telem", > PLATFORM_DEVID_AUTO, > @@ -105,11 +115,13 @@ static int wilco_ec_probe(struct platform_device *pdev) > if (IS_ERR(ec->telem_pdev)) { > dev_err(dev, "Failed to create telemetry platform device\n"); > ret = PTR_ERR(ec->telem_pdev); > - goto remove_sysfs; > + goto unregister_charge_config; > } > > return 0; > > +unregister_charge_config: > + platform_device_unregister(ec->charger_pdev); > remove_sysfs: > wilco_ec_remove_sysfs(ec); > unregister_rtc: > @@ -125,6 +137,7 @@ static int wilco_ec_remove(struct platform_device *pdev) > { > struct wilco_ec_device *ec = platform_get_drvdata(pdev); > > + platform_device_unregister(ec->charger_pdev); > wilco_ec_remove_sysfs(ec); > platform_device_unregister(ec->telem_pdev); > platform_device_unregister(ec->rtc_pdev); > diff --git a/include/linux/platform_data/wilco-ec.h b/include/linux/platform_data/wilco-ec.h > index 0f7df3498a24..afede15a95bf 100644 > --- a/include/linux/platform_data/wilco-ec.h > +++ b/include/linux/platform_data/wilco-ec.h > @@ -29,6 +29,7 @@ > * @data_size: Size of the data buffer used for EC communication. > * @debugfs_pdev: The child platform_device used by the debugfs sub-driver. > * @rtc_pdev: The child platform_device used by the RTC sub-driver. > + * @charger_pdev: Child platform_device used by the charger config sub-driver. > * @telem_pdev: The child platform_device used by the telemetry sub-driver. > */ > struct wilco_ec_device { > @@ -41,6 +42,7 @@ struct wilco_ec_device { > size_t data_size; > struct platform_device *debugfs_pdev; > struct platform_device *rtc_pdev; > + struct platform_device *charger_pdev; > struct platform_device *telem_pdev; > }; > >