2023-07-04 09:42:11

by Sascha Hauer

Subject: [PATCH v7 02/26] PM / devfreq: rockchip-dfi: Embed desc into private data struct

No need for an extra allocation, just embed the struct
devfreq_event_desc into the private data struct.

Reviewed-by: Heiko Stuebner <[email protected]>
Reviewed-by: Jonathan Cameron <[email protected]>
Reviewed-by: Sebastian Reichel <[email protected]>
Signed-off-by: Sascha Hauer <[email protected]>
---
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)) {
--
2.39.2

2023-10-06 16:04:39

by Chanwoo Choi

Subject: Re: [PATCH v7 02/26] PM / devfreq: rockchip-dfi: Embed desc into private data struct

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 <[email protected]>
> Reviewed-by: Jonathan Cameron <[email protected]>
> Reviewed-by: Sebastian Reichel <[email protected]>
> Signed-off-by: Sascha Hauer <[email protected]>
> ---
> 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