linux-kernel - Re: [PATCH v2 8/9] phy: rockchip: phy-rockchip-samsung-hdptx: convert from round_rate() to determine

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Message-ID: <708d3814-f414-4174-95b3-d3450e9780ec@collabora.com>
Date: Thu, 14 Aug 2025 19:36:44 +0300
From: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To: Brian Masney <bmasney@...hat.com>, Vinod Koul <vkoul@...nel.org>,
 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>
Cc: 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 8/9] phy: rockchip: phy-rockchip-samsung-hdptx: convert
 from round_rate() to determine_rate()

On 8/11/25 1:45 AM, 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/rockchip/phy-rockchip-samsung-hdptx.c | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
> index 79db57ee90d1487b51f4ddadde870a275dd7b17b..0d4e578c8c6a08aad355aa8aa5a1cf75c7d354ed 100644
> --- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
> +++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
> @@ -1869,8 +1869,8 @@ static unsigned long rk_hdptx_phy_clk_recalc_rate(struct clk_hw *hw,
>  	return hdptx->hw_rate;
>  }
>  
> -static long rk_hdptx_phy_clk_round_rate(struct clk_hw *hw, unsigned long rate,
> -					unsigned long *parent_rate)
> +static int rk_hdptx_phy_clk_determine_rate(struct clk_hw *hw,
> +					   struct clk_rate_request *req)
>  {
>  	struct rk_hdptx_phy *hdptx = to_rk_hdptx_phy(hw);
>  
> @@ -1879,9 +1879,9 @@ static long rk_hdptx_phy_clk_round_rate(struct clk_hw *hw, unsigned long rate,
>  	 * To be dropped as soon as the RK DW HDMI QP bridge driver
>  	 * switches to make use of phy_configure().
>  	 */
> -	if (!hdptx->restrict_rate_change && rate != hdptx->hdmi_cfg.tmds_char_rate) {
> +	if (!hdptx->restrict_rate_change && req->rate != hdptx->hdmi_cfg.tmds_char_rate) {
>  		struct phy_configure_opts_hdmi hdmi = {
> -			.tmds_char_rate = rate,
> +			.tmds_char_rate = req->rate,
>  		};
>  		int ret = rk_hdptx_phy_verify_hdmi_config(hdptx, &hdmi);
>  
> @@ -1896,7 +1896,9 @@ static long rk_hdptx_phy_clk_round_rate(struct clk_hw *hw, unsigned long rate,
>  	 * hence ensure rk_hdptx_phy_clk_set_rate() won't be invoked with
>  	 * a different rate argument.
>  	 */
> -	return hdptx->hdmi_cfg.tmds_char_rate;
> +	req->rate = hdptx->hdmi_cfg.tmds_char_rate;
> +
> +	return 0;
>  }

This LGTM now, hence

Reviewed-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>