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Message-ID: <001601da0282$c9da9380$5d8fba80$@samsung.com>
Date:   Thu, 19 Oct 2023 20:52:51 +0900
From:   "Chanwoo Choi" <cw00.choi@...sung.com>
To:     "'Sascha Hauer'" <s.hauer@...gutronix.de>,
        <linux-rockchip@...ts.infradead.org>
Cc:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        "'Heiko Stuebner'" <heiko@...ech.de>,
        "'Chanwoo Choi'" <chanwoo@...nel.org>,
        "'Kyungmin Park'" <kyungmin.park@...sung.com>,
        "'MyungJoo Ham'" <myungjoo.ham@...sung.com>,
        "'Will Deacon'" <will@...nel.org>,
        "'Mark Rutland'" <mark.rutland@....com>, <kernel@...gutronix.de>,
        "'Michael Riesch'" <michael.riesch@...fvision.net>,
        "'Robin Murphy'" <robin.murphy@....com>,
        "'Vincent Legoll'" <vincent.legoll@...il.com>,
        "'Rob Herring'" <robh+dt@...nel.org>,
        "'Krzysztof Kozlowski'" <krzysztof.kozlowski+dt@...aro.org>,
        "'Conor Dooley'" <conor+dt@...nel.org>,
        <devicetree@...r.kernel.org>,
        "'Sebastian Reichel'" <sebastian.reichel@...labora.com>
Subject: RE: [PATCH v8 12/26] PM / devfreq: rockchip-dfi: Handle LPDDR4X



> -----Original Message-----
> From: Sascha Hauer <s.hauer@...gutronix.de>
> Sent: Wednesday, October 18, 2023 3:17 PM
> To: linux-rockchip@...ts.infradead.org
> Cc: linux-arm-kernel@...ts.infradead.org; linux-kernel@...r.kernel.org;
> linux-pm@...r.kernel.org; Heiko Stuebner <heiko@...ech.de>; Chanwoo Choi
> <chanwoo@...nel.org>; Kyungmin Park <kyungmin.park@...sung.com>; MyungJoo
> Ham <myungjoo.ham@...sung.com>; Will Deacon <will@...nel.org>; Mark
> Rutland <mark.rutland@....com>; kernel@...gutronix.de; Michael Riesch
> <michael.riesch@...fvision.net>; Robin Murphy <robin.murphy@....com>;
> Vincent Legoll <vincent.legoll@...il.com>; Rob Herring
> <robh+dt@...nel.org>; Krzysztof Kozlowski
> <krzysztof.kozlowski+dt@...aro.org>; Conor Dooley <conor+dt@...nel.org>;
> devicetree@...r.kernel.org; Sebastian Reichel
> <sebastian.reichel@...labora.com>; Sascha Hauer <s.hauer@...gutronix.de>;
> Jonathan Cameron <Jonathan.Cameron@...wei.com>; Chanwoo Choi
> <cw00.choi@...sung.com>
> Subject: [PATCH v8 12/26] PM / devfreq: rockchip-dfi: Handle LPDDR4X
> 
> In the DFI driver LPDDR4X can be handled in the same way as LPDDR4. Add
> the missing case.
> 
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
> Reviewed-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> Acked-by: Chanwoo Choi <cw00.choi@...sung.com>
> Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
> ---
>  drivers/devfreq/event/rockchip-dfi.c | 1 +
> include/soc/rockchip/rockchip_grf.h  | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/devfreq/event/rockchip-dfi.c
> b/drivers/devfreq/event/rockchip-dfi.c
> index 8ce0191552ef1..bdf421b248df9 100644
> --- a/drivers/devfreq/event/rockchip-dfi.c
> +++ b/drivers/devfreq/event/rockchip-dfi.c
> @@ -90,6 +90,7 @@ static void rockchip_dfi_start_hardware_counter(struct
> devfreq_event_dev *edev)
>  			       dfi_regs + DDRMON_CTRL);
>  		break;
>  	case ROCKCHIP_DDRTYPE_LPDDR4:
> +	case ROCKCHIP_DDRTYPE_LPDDR4X:
>  		writel_relaxed(HIWORD_UPDATE(DDRMON_CTRL_LPDDR4,
> DDRMON_CTRL_DDR_TYPE_MASK),
>  			       dfi_regs + DDRMON_CTRL);
>  		break;
> diff --git a/include/soc/rockchip/rockchip_grf.h
> b/include/soc/rockchip/rockchip_grf.h
> index dde1a9796ccb5..e46fd72aea8d1 100644
> --- a/include/soc/rockchip/rockchip_grf.h
> +++ b/include/soc/rockchip/rockchip_grf.h
> @@ -12,6 +12,7 @@ enum {
>  	ROCKCHIP_DDRTYPE_LPDDR2	= 5,
>  	ROCKCHIP_DDRTYPE_LPDDR3	= 6,
>  	ROCKCHIP_DDRTYPE_LPDDR4	= 7,
> +	ROCKCHIP_DDRTYPE_LPDDR4X = 8,
>  };
> 
>  #endif /* __SOC_ROCKCHIP_GRF_H */
> --
> 2.39.2

Applied it. Thanks

Best Regards,
Chanwoo Choi

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