Re: [PATCH 09/17] i3c: renesas: Use reset_control_bulk_{assert, deassert}()

On Fri, May 22, 2026 at 01:18:07PM +0300, Claudiu Beznea wrote:
> From: Claudiu Beznea <[email protected]>
>
> Use reset_control_bulk_assert() and reset_control_bulk_deassert() in the
> suspend and resume paths to simplify the code.
>
> Signed-off-by: Claudiu Beznea <[email protected]>
> ---
>  drivers/i3c/master/renesas-i3c.c | 30 +++++++++++++-----------------
>  1 file changed, 13 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/i3c/master/renesas-i3c.c b/drivers/i3c/master/renesas-i3c.c
> index d32646deb69f..e5963270d6e5 100644
> --- a/drivers/i3c/master/renesas-i3c.c
> +++ b/drivers/i3c/master/renesas-i3c.c
> @@ -1414,24 +1414,22 @@ static void renesas_i3c_remove(struct platform_device *pdev)
>  static int renesas_i3c_suspend(struct device *dev)
>  {
>  	struct renesas_i3c *i3c = dev_get_drvdata(dev);
> +	struct reset_control_bulk_data resets[] = {
> +		{ .rstc = i3c->presetn },
> +		{ .rstc = i3c->tresetn },
> +	};

Suppose it is also used in probe funciton. can move these into renesas_i3c

Frank

>  	int ret;
>
>  	i2c_mark_adapter_suspended(&i3c->base.i2c);
>
> -	ret = reset_control_assert(i3c->presetn);
> +	ret = reset_control_bulk_assert(ARRAY_SIZE(resets), resets);
>  	if (ret)
>  		goto err_mark_resumed;
>
> -	ret = reset_control_assert(i3c->tresetn);
> -	if (ret)
> -		goto err_presetn;
> -
>  	clk_bulk_disable(i3c->num_clks, i3c->clks);
>
>  	return 0;
>
> -err_presetn:
> -	reset_control_deassert(i3c->presetn);
>  err_mark_resumed:
>  	i2c_mark_adapter_resumed(&i3c->base.i2c);
>
> @@ -1441,19 +1439,19 @@ static int renesas_i3c_suspend(struct device *dev)
>  static int renesas_i3c_resume(struct device *dev)
>  {
>  	struct renesas_i3c *i3c = dev_get_drvdata(dev);
> +	struct reset_control_bulk_data resets[] = {
> +		{ .rstc = i3c->presetn },
> +		{ .rstc = i3c->tresetn },
> +	};
>  	int ret;
>
> -	ret = reset_control_deassert(i3c->tresetn);
> +	ret = reset_control_bulk_deassert(ARRAY_SIZE(resets), resets);
>  	if (ret)
>  		return ret;
>
> -	ret = reset_control_deassert(i3c->presetn);
> -	if (ret)
> -		goto err_tresetn;
> -
>  	ret = clk_bulk_enable(i3c->num_clks, i3c->clks);
>  	if (ret)
> -		goto err_presetn;
> +		goto err_resets_asserted;
>
>  	ret = renesas_i3c_reset(i3c);
>  	if (ret)
> @@ -1484,10 +1482,8 @@ static int renesas_i3c_resume(struct device *dev)
>
>  err_clks_disable:
>  	clk_bulk_disable(i3c->num_clks, i3c->clks);
> -err_presetn:
> -	reset_control_assert(i3c->presetn);
> -err_tresetn:
> -	reset_control_assert(i3c->tresetn);
> +err_resets_asserted:
> +	reset_control_bulk_assert(ARRAY_SIZE(resets), resets);
>  	return ret;
>  }
>
> --
> 2.43.0
>

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