> -----Original Message-----
> From: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Sent: Wednesday, October 18, 2023 3:17 PM
> To: linux-rockchip@xxxxxxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> linux-pm@xxxxxxxxxxxxxxx; Heiko Stuebner <heiko@xxxxxxxxx>; Chanwoo Choi
> <chanwoo@xxxxxxxxxx>; Kyungmin Park <kyungmin.park@xxxxxxxxxxx>; MyungJoo
> Ham <myungjoo.ham@xxxxxxxxxxx>; Will Deacon <will@xxxxxxxxxx>; Mark
> Rutland <mark.rutland@xxxxxxx>; kernel@xxxxxxxxxxxxxx; Michael Riesch
> <michael.riesch@xxxxxxxxxxxxxx>; Robin Murphy <robin.murphy@xxxxxxx>;
> Vincent Legoll <vincent.legoll@xxxxxxxxx>; Rob Herring
> <robh+dt@xxxxxxxxxx>; Krzysztof Kozlowski
> <krzysztof.kozlowski+dt@xxxxxxxxxx>; Conor Dooley <conor+dt@xxxxxxxxxx>;
> devicetree@xxxxxxxxxxxxxxx; Sebastian Reichel
> <sebastian.reichel@xxxxxxxxxxxxx>; Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>;
> Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>; Chanwoo Choi
> <cw00.choi@xxxxxxxxxxx>
> Subject: [PATCH v8 13/26] PM / devfreq: rockchip-dfi: Pass private data
> struct to internal functions
>
> The internal functions do not need the struct devfreq_event_dev *, so pass
> them the struct rockchip_dfi *. This is a preparation for adding perf
> support later which doesn't have a struct devfreq_event_dev *.
>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
> Acked-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> ---
> drivers/devfreq/event/rockchip-dfi.c | 15 ++++++---------
> 1 file changed, 6 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/devfreq/event/rockchip-dfi.c
> b/drivers/devfreq/event/rockchip-dfi.c
> index bdf421b248df9..d56a33d03db4c 100644
> --- a/drivers/devfreq/event/rockchip-dfi.c
> +++ b/drivers/devfreq/event/rockchip-dfi.c
> @@ -73,9 +73,8 @@ struct rockchip_dfi {
> unsigned int max_channels;
> };
>
> -static void rockchip_dfi_start_hardware_counter(struct devfreq_event_dev
> *edev)
> +static void rockchip_dfi_start_hardware_counter(struct rockchip_dfi
> +*dfi)
> {
> - struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
> void __iomem *dfi_regs = dfi->regs;
>
> /* clear DDRMON_CTRL setting */
> @@ -103,18 +102,16 @@ static void
> rockchip_dfi_start_hardware_counter(struct devfreq_event_dev *edev)
> dfi_regs + DDRMON_CTRL);
> }
>
> -static void rockchip_dfi_stop_hardware_counter(struct devfreq_event_dev
> *edev)
> +static void rockchip_dfi_stop_hardware_counter(struct rockchip_dfi
> +*dfi)
> {
> - struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
> void __iomem *dfi_regs = dfi->regs;
>
> writel_relaxed(HIWORD_UPDATE(0, DDRMON_CTRL_SOFTWARE_EN),
> dfi_regs + DDRMON_CTRL);
> }
>
> -static void rockchip_dfi_read_counters(struct devfreq_event_dev *edev,
> struct dmc_count *count)
> +static void rockchip_dfi_read_counters(struct rockchip_dfi *dfi, struct
> +dmc_count *count)
> {
> - struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
> u32 i;
> void __iomem *dfi_regs = dfi->regs;
>
> @@ -132,7 +129,7 @@ static int rockchip_dfi_disable(struct
> devfreq_event_dev *edev) {
> struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
>
> - rockchip_dfi_stop_hardware_counter(edev);
> + rockchip_dfi_stop_hardware_counter(dfi);
> clk_disable_unprepare(dfi->clk);
>
> return 0;
> @@ -149,7 +146,7 @@ static int rockchip_dfi_enable(struct
> devfreq_event_dev *edev)
> return ret;
> }
>
> - rockchip_dfi_start_hardware_counter(edev);
> + rockchip_dfi_start_hardware_counter(dfi);
> return 0;
> }
>
> @@ -167,7 +164,7 @@ static int rockchip_dfi_get_event(struct
> devfreq_event_dev *edev,
> u32 access = 0, total = 0;
> int i;
>
> - rockchip_dfi_read_counters(edev, &count);
> + rockchip_dfi_read_counters(dfi, &count);
>
> /* We can only report one channel, so find the busiest one */
> for (i = 0; i < dfi->max_channels; i++) {
> --
> 2.39.2
Applied it. Thanks
Best Regards,
Chanwoo Choi
