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

Viresh Kumar viresh.kumar at linaro.org
Sat Mar 9 05:47:26 EST 2013


On 7 March 2013 12:13, Amit Daniel Kachhap <amit.daniel at samsung.com> 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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