linux-kernel - Re: [PATCH v5 3/3] clk: aspeed: add AST2700 clock driver.

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Message-ID: <cc7faea42df6281a24360090d99cef8f99aa7736.camel@pengutronix.de>
Date: Wed, 09 Oct 2024 11:48:08 +0200
From: Philipp Zabel <p.zabel@...gutronix.de>
To: Ryan Chen <ryan_chen@...eedtech.com>, dmitry.baryshkov@...aro.org, 
 mturquette@...libre.com, sboyd@...nel.org, robh@...nel.org,
 krzk+dt@...nel.org,  conor+dt@...nel.org, joel@....id.au,
 andrew@...econstruct.com.au,  linux-kernel@...r.kernel.org,
 linux-clk@...r.kernel.org,  devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org,  linux-aspeed@...ts.ozlabs.org
Subject: Re: [PATCH v5 3/3] clk: aspeed: add AST2700 clock driver.

On Mi, 2024-10-09 at 14:05 +0800, Ryan Chen wrote:
> Add AST2700 clock controller driver and also use axiliary
> device framework register the reset controller driver.
> Due to clock and reset using the same register region.
> 
> Signed-off-by: Ryan Chen <ryan_chen@...eedtech.com>
> ---
>  drivers/clk/Kconfig       |    8 +
>  drivers/clk/Makefile      |    1 +
>  drivers/clk/clk-ast2700.c | 1554 +++++++++++++++++++++++++++++++++++++
>  3 files changed, 1563 insertions(+)
>  create mode 100644 drivers/clk/clk-ast2700.c
> 
[...]
> diff --git a/drivers/clk/clk-ast2700.c b/drivers/clk/clk-ast2700.c
> new file mode 100644
> index 000000000000..ef1f939b1c9f
> --- /dev/null
> +++ b/drivers/clk/clk-ast2700.c
> @@ -0,0 +1,1554 @@
[...]
> +static void aspeed_reset_unregister_adev(void *_adev)
> +{
> +	struct auxiliary_device *adev = _adev;
> +
> +	auxiliary_device_delete(adev);
> +	auxiliary_device_uninit(adev);
> +}
> +
> +static void aspeed_reset_adev_release(struct device *dev)
> +{
> +	struct auxiliary_device *adev = to_auxiliary_dev(dev);
> +
> +	kfree(adev);
> +}
> +
> +static int aspeed_reset_controller_register(struct device *clk_dev,
> +					    void __iomem *base, const char *adev_name)
> +{
> +	struct auxiliary_device *adev;
> +	int ret;
> +
> +	adev = kzalloc(sizeof(*adev), GFP_KERNEL);
> +	if (!adev)
> +		return -ENOMEM;
> +
> +	adev->name = adev_name;
> +	adev->dev.parent = clk_dev;
> +	adev->dev.release = aspeed_reset_adev_release;
> +	adev->id = 666u;
> +
> +	ret = auxiliary_device_init(adev);
> +	if (ret) {
> +		kfree(adev);
> +		return ret;
> +	}
> +
> +	ret = auxiliary_device_add(adev);
> +	if (ret) {
> +		auxiliary_device_uninit(adev);
> +		return ret;
> +	}
> +
> +	adev->dev.platform_data = (__force void *)base;
> +
> +	return devm_add_action_or_reset(clk_dev, aspeed_reset_unregister_adev, adev);
> +}

Should this be moved into reset-aspeed.c?

regards
Philipp