On 23. 7. 4. 18:32, Sascha Hauer wrote: > No need for an extra allocation, just embed the struct > devfreq_event_desc into the private data struct. > > Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx> > Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx> > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > --- > drivers/devfreq/event/rockchip-dfi.c | 8 ++------ > 1 file changed, 2 insertions(+), 6 deletions(-) > > diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c > index 74893c06aa087..467f9f42d38f7 100644 > --- a/drivers/devfreq/event/rockchip-dfi.c > +++ b/drivers/devfreq/event/rockchip-dfi.c > @@ -49,7 +49,7 @@ struct dmc_usage { > */ > struct rockchip_dfi { > struct devfreq_event_dev *edev; > - struct devfreq_event_desc *desc; > + struct devfreq_event_desc desc; > struct dmc_usage ch_usage[RK3399_DMC_NUM_CH]; > struct device *dev; > void __iomem *regs; > @@ -204,14 +204,10 @@ static int rockchip_dfi_probe(struct platform_device *pdev) > > data->dev = dev; > > - desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL); > - if (!desc) > - return -ENOMEM; > - > + desc = &data->desc; > desc->ops = &rockchip_dfi_ops; > desc->driver_data = data; > desc->name = np->name; > - data->desc = desc; > > data->edev = devm_devfreq_event_add_edev(&pdev->dev, desc); > if (IS_ERR(data->edev)) { Applied it. Thanks. -- Best Regards, Samsung Electronics Chanwoo Choi