linux-kernel - Re: [PATCH 3/5] reset: imx8mp-audiomix: Introduce active

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Message-ID: <be4e8fe598f8a56210154c40d8a6d973a3fbeee1.camel@pengutronix.de>
Date: Tue, 18 Feb 2025 10:30:21 +0100
From: Philipp Zabel <p.zabel@...gutronix.de>
To: Daniel Baluta <daniel.baluta@....com>, shawnguo@...nel.org, 
	mathieu.poirier@...aro.org
Cc: s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com, 
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, andersson@...nel.org, 
	linux-remoteproc@...r.kernel.org, iuliana.prodan@....com, 
	laurentiu.mihalcea@....com, shengjiu.wang@....com, Frank.Li@....com, 
	krzk@...nel.org
Subject: Re: [PATCH 3/5] reset: imx8mp-audiomix: Introduce active_low
 configuration option

On Di, 2025-02-18 at 10:57 +0200, Daniel Baluta wrote:
> For EARC and EARC PHY the reset happens when clearing the reset bits.
> Refactor assert/deassert function in order to take into account
> the active_low configuratin option.
                            ^
                            missing 'o'.

> 
> Signed-off-by: Daniel Baluta <daniel.baluta@....com>
> ---
>  drivers/reset/reset-imx8mp-audiomix.c | 45 ++++++++++++++-------------
>  1 file changed, 23 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/reset/reset-imx8mp-audiomix.c b/drivers/reset/reset-imx8mp-audiomix.c
> index 6b1666c4e069..8cc0a6b58cbc 100644
> --- a/drivers/reset/reset-imx8mp-audiomix.c
> +++ b/drivers/reset/reset-imx8mp-audiomix.c
> @@ -23,16 +23,19 @@
>  struct imx8mp_reset_map {
>  	unsigned int offset;
>  	unsigned int mask;
> +	bool active_low;
>  };
>  
>  static const struct imx8mp_reset_map reset_map[IMX8MP_AUDIOMIX_RESET_NUM] = {
>  	[IMX8MP_AUDIOMIX_EARC] = {
>  		.offset	= IMX8MP_AUDIOMIX_EARC_OFFSET,
>  		.mask	= IMX8MP_AUDIOMIX_EARC_RESET_MASK,
> +		.active_low = true,
>  	},
>  	[IMX8MP_AUDIOMIX_EARC_PHY] = {
>  		.offset	= IMX8MP_AUDIOMIX_EARC_OFFSET,
>  		.mask	= IMX8MP_AUDIOMIX_EARC_PHY_RESET_MASK,
> +		.active_low = true,
>  	},
>  
>  };
> @@ -48,48 +51,46 @@ static struct imx8mp_audiomix_reset *to_imx8mp_audiomix_reset(struct reset_contr
>  	return container_of(rcdev, struct imx8mp_audiomix_reset, rcdev);
>  }
>  
> -static int imx8mp_audiomix_reset_assert(struct reset_controller_dev *rcdev,
> -					unsigned long id)
> +static int imx8mp_audiomix_update(struct reset_controller_dev *rcdev,
> +				  unsigned long id, bool assert)
>  {
>  	struct imx8mp_audiomix_reset *priv = to_imx8mp_audiomix_reset(rcdev);
>  	void __iomem *reg_addr = priv->base;
> -	unsigned int mask, offset, reg;
> -	unsigned long flags;
> +	unsigned int mask, offset, active_low;
> +	unsigned long reg, flags;

Nitpick, I would make active_low bool, like assert. Otherwise,

Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>

regards
Philipp