linux-kernel - Re: [Patch v6 02/10] firmware: qcom: scm: Convert SCM to platform driver

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Date:	Fri, 3 Jun 2016 17:03:43 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Andy Gross <andy.gross@...aro.org>
Cc:	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Bjorn Andersson <bjorn.andersson@...aro.org>,
	devicetree@...r.kernel.org, jilai wang <jilaiw@...eaurora.org>
Subject: Re: [Patch v6 02/10] firmware: qcom: scm: Convert SCM to platform
 driver

On 06/03, Andy Gross wrote:
> This patch converts the Qualcomm SCM firmware driver into a platform
> driver.  It also adds clock management for firmware calls which require
> clocks to be enabled during the duration of their execution.  Rate
> setting of the core clock is also in place for higher performance.
> 
> Signed-off-by: Andy Gross <andy.gross@...aro.org>
> Acked-by: Bjorn Andersson <bjorn.andersson@...aro.org>

Reviewed-by: Stephen Boyd <sboyd@...eaurora.org>

> +
> +static int __init qcom_scm_init(void)
> +{
> +	struct device_node *np, *fw_np;
> +	int ret;
> +
> +	fw_np = of_find_node_by_name(NULL, "firmware");
> +
> +	if (!fw_np)
> +		return -ENODEV;
> +
> +	np = of_find_matching_node(fw_np, qcom_scm_dt_match);
> +
> +	if (!np) {
> +		of_node_put(fw_np);
> +		return -ENODEV;
> +	}
> +
> +	of_node_put(np);
> +
> +	ret = of_platform_populate(fw_np, qcom_scm_dt_match, NULL, NULL);
> +
> +	of_node_put(fw_np);
> +
> +	if (ret)
> +		return ret;
> +
> +	return platform_driver_register(&qcom_scm_driver);
> +}

There are lots of newlines in this function, but that's a style nitpick.

-- 
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a Linux Foundation Collaborative Project