linux-kernel - Re: [PATCH v2 2/6] mfd: Add ChromeOS EC implementation

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Date:	Tue, 12 Feb 2013 19:35:46 -0800
From:	Joe Perches <joe@...ches.com>
To:	Simon Glass <sjg@...omium.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Che-Liang Chiou <clchiou@...omium.org>,
	Jonathan Kliegman <kliegs@...omium.org>,
	Luigi Semenzato <semenzato@...omium.org>,
	Olof Johansson <olofj@...omium.org>,
	Vincent Palatin <vpalatin@...omium.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH v2 2/6] mfd: Add ChromeOS EC implementation

On Tue, 2013-02-12 at 18:42 -0800, Simon Glass wrote:
> This is the base EC implementation, which provides a high level
> interface to the EC for use by the rest of the kernel. The actual
> communcations is dealt with by a separate protocol driver which
> registers itself with this interface.

trivial logging message comments...

> diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c
[]
> +struct cros_ec_device *cros_ec_alloc(const char *name)
> +{
> +	struct cros_ec_device *ec_dev;
> +
> +	ec_dev = kzalloc(sizeof(*ec_dev), GFP_KERNEL);
> +	if (ec_dev == NULL) {
> +		dev_err(ec_dev->dev, "cannot allocate\n");

allocation OOM messages aren't useful as there's
a standard one on all allocs without __GFP_WARN

> +int cros_ec_register(struct cros_ec_device *ec_dev)
> +{
[]
> +		ec_dev->din = kmalloc(ec_dev->din_size, GFP_KERNEL);
> +		if (!ec_dev->din) {
> +			err = -ENOMEM;
> +			dev_err(dev, "cannot allocate din\n");

etc...

> +	if (err) {
> +		dev_err(dev, "failed to add mfd devices");

missing terminating newline


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