linux-kernel - Re: [PATCH v7 3/9] nvmem: Add nvmem

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Date:	Fri, 10 Jul 2015 03:49:25 -0700
From:	Joe Perches <joe@...ches.com>
To:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rob Herring <robh+dt@...nel.org>,
	Kumar Gala <galak@...eaurora.org>,
	Mark Brown <broonie@...nel.org>, s.hauer@...gutronix.de,
	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	arnd@...db.de, sboyd@...eaurora.org,
	pantelis.antoniou@...sulko.com, mporter@...sulko.com,
	stefan.wahren@...e.com, wxt@...k-chips.com
Subject: Re: [PATCH v7 3/9] nvmem: Add nvmem_device based consumer apis.

On Fri, 2015-07-10 at 10:45 +0100, Srinivas Kandagatla wrote:
> This patch adds read/write apis which are based on nvmem_device.

More trivia:

> diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c

> +static struct nvmem_device *nvmem_find(const char *name)
> +{
> +	struct device *d;
> +
> +	d = bus_find_device(&nvmem_bus_type, NULL, (void *)name, nvmem_match);
> +
> +	return d ? to_nvmem_device(d) : NULL;

Maybe:
	d = bus_find_device(...);
	if (!d)
		return NULL;

	return to_nvmem_device(d);

> +struct nvmem_device *of_nvmem_device_get(struct device_node *np, const char *id)
> +{
[]
> +	return __nvmem_device_get(nvmem_np, NULL, NULL);
> +

odd blank line
> +}
> +EXPORT_SYMBOL_GPL(of_nvmem_device_get);

> +struct nvmem_device *nvmem_device_get(struct device *dev, const char *dev_name)
> +{
[]
> +	return nvmem_find(dev_name);
> +

here too

> +}
> +EXPORT_SYMBOL_GPL(nvmem_device_get);

[]

> +void devm_nvmem_device_put(struct device *dev, struct nvmem_device *nvmem)
> +{
> +	int ret;
> +
> +	ret = devres_release(dev, devm_nvmem_device_release,
> +			     devm_nvmem_device_match, nvmem);
> +
> +	WARN_ON(ret);
> +

Last unnecessary blank line I'll mention
(it seems to be the last one anyway)

> +}
> +EXPORT_SYMBOL_GPL(devm_nvmem_device_put);


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