linux-kernel - Re: [PATCH v2 2/9] phy: mediatek: phy-mtk-hdmi-mt2701: convert from round_rate() to determine

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Message-ID: <aKX35U4jX55W3W61@vaman>
Date: Wed, 20 Aug 2025 21:59:25 +0530
From: Vinod Koul <vkoul@...nel.org>
To: Brian Masney <bmasney@...hat.com>
Cc: Kishon Vijay Abraham I <kishon@...nel.org>,
	Chun-Kuang Hu <chunkuang.hu@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Chunfeng Yun <chunfeng.yun@...iatek.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Heiko Stuebner <heiko@...ech.de>, linux-phy@...ts.infradead.org,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	linux-mediatek@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH v2 2/9] phy: mediatek: phy-mtk-hdmi-mt2701: convert from
 round_rate() to determine_rate()

On 10-08-25, 18:45, Brian Masney wrote:
> The round_rate() clk ops is deprecated, so migrate this driver from
> round_rate() to determine_rate() using the Coccinelle semantic patch
> on the cover letter of this series.
> 
> Signed-off-by: Brian Masney <bmasney@...hat.com>
> ---
>  drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> index e51b2d13eab473dddace48c75c2a8d73c8c65635..b0b6497e7eedcb6867541b573d22156ded29a4d5 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> @@ -90,10 +90,10 @@ static void mtk_hdmi_pll_unprepare(struct clk_hw *hw)
>  	usleep_range(80, 100);
>  }
>  
> -static long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
> -				    unsigned long *parent_rate)
> +static int mtk_hdmi_pll_determine_rate(struct clk_hw *hw,
> +				       struct clk_rate_request *req)
>  {
> -	return rate;
> +	return 0;

This does not sound correct to me? should this not check the requested
rate?

>  }
>  
>  static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
> @@ -170,7 +170,7 @@ static const struct clk_ops mtk_hdmi_phy_pll_ops = {
>  	.prepare = mtk_hdmi_pll_prepare,
>  	.unprepare = mtk_hdmi_pll_unprepare,
>  	.set_rate = mtk_hdmi_pll_set_rate,
> -	.round_rate = mtk_hdmi_pll_round_rate,
> +	.determine_rate = mtk_hdmi_pll_determine_rate,
>  	.recalc_rate = mtk_hdmi_pll_recalc_rate,
>  };
>  
> 
> -- 
> 2.50.1

-- 
~Vinod