linux-kernel - Re: [PATCH v7 08/39] soc: Add SoC driver for Cirrus ep93xx

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Message-ID: <Zb_A5H5kkxw1oiQv@surfacebook.localdomain>
Date: Sun, 4 Feb 2024 18:52:52 +0200
From: andy.shevchenko@...il.com
To: Nikita Shubin <nikita.shubin@...uefel.me>
Cc: Conor Dooley <conor.dooley@...rochip.com>,
	Ulf Hansson <ulf.hansson@...aro.org>, Joel Stanley <joel@....id.au>,
	Linus Walleij <linus.walleij@...aro.org>,
	Wei Xu <xuwei5@...ilicon.com>, Huisong Li <lihuisong@...wei.com>,
	Walker Chen <walker.chen@...rfivetech.com>,
	Jonathan Neuschäfer <j.neuschaefer@....net>,
	Arnd Bergmann <arnd@...db.de>,
	Alexander Sverdlin <alexander.sverdlin@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 08/39] soc: Add SoC driver for Cirrus ep93xx

Thu, Jan 18, 2024 at 11:20:51AM +0300, Nikita Shubin kirjoitti:
> Add an SoC driver for the ep93xx. Currently there is only one thing
> not fitting into any other framework, and that is the swlock setting.
> 
> Used for clock settings, pinctrl and restart.

..

> +static struct auxiliary_device *ep93xx_adev_alloc(struct device *parent, const char *name,
> +						  struct ep93xx_map_info *info)
> +{
> +	struct ep93xx_regmap_adev *rdev;
> +	struct auxiliary_device *adev;
> +	int ret;
> +
> +	rdev = kzalloc(sizeof(*rdev), GFP_KERNEL);
> +	if (!rdev)
> +		return ERR_PTR(-ENOMEM);

Use __free() ?
(You already included cleanup.h for other cases, why not using it here?)

> +	rdev->map = info->map;
> +	rdev->base = info->base;
> +	rdev->lock = &info->lock;
> +	rdev->write = ep93xx_regmap_write;
> +	rdev->update_bits = ep93xx_regmap_update_bits;
> +
> +	adev = &rdev->adev;
> +	adev->name = name;
> +	adev->dev.parent = parent;
> +	adev->dev.release = ep93xx_adev_release;
> +
> +	ret = auxiliary_device_init(adev);
> +	if (ret) {
> +		kfree(adev);
> +		return ERR_PTR(ret);
> +	}
> +
> +	return adev;
> +}

..

> +	model = (enum ep93xx_soc_model)(uintptr_t)of_device_get_match_data(dev);

I believe Rob wants to get rid of of_device.h or at least of this call (see his
patches to convert this API to use device_get_match_data() instead).

-- 
With Best Regards,
Andy Shevchenko