Re: [PATCH V3 1/4] cpufreq: exynos: Adding cpufreq driver for exynos5440

From: Viresh Kumar
Date: Sat Mar 09 2013 - 05:47:45 EST


On 7 March 2013 12:13, Amit Daniel Kachhap <amit.daniel@xxxxxxxxxxx> wrote:
> diff --git a/drivers/cpufreq/exynos5440-cpufreq.c b/drivers/cpufreq/exynos5440-cpufreq.c
> +struct exynos_dvfs_data {
> + void __iomem *base;
> + struct resource *mem;
> + int irq;
> + struct clk *cpu_clk;
> + unsigned int cur_frequency;
> + unsigned int latency;
> + struct cpufreq_frequency_table *freq_table;
> + unsigned int freq_count;
> + struct device *dev;
> + bool dvfs_enable;

s/enable/enabled?

> +static int exynos_cpufreq_probe(struct platform_device *pdev)

> + dvfs_info->cpu_clk = devm_clk_get(dvfs_info->dev, "armclk");
> + if (IS_ERR_OR_NULL(dvfs_info->cpu_clk)) {

s/IS_ERR_OR_NULL/IS_ERR

> + if (devm_request_irq(dvfs_info->dev, dvfs_info->irq, exynos_cpufreq_irq,
> + IRQF_TRIGGER_NONE, CPUFREQ_NAME, dvfs_info)) {
> + pr_err("Failed to register IRQ\n");
> + ret = -ENODEV;

use the value returned from this function rather than creating your
own.. true for all
other calls too, unless they return NULL on error.

> +}
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