[PATCH v2 14/16] cpufreq: Add cpufreq driver for Tegra124
From: viresh.kumar@linaro.org (Viresh Kumar)
Date: 2014-07-23 06:58:24
Also in:
linux-devicetree, linux-pm, linux-tegra, lkml
From: viresh.kumar@linaro.org (Viresh Kumar)
Date: 2014-07-23 06:58:24
Also in:
linux-devicetree, linux-pm, linux-tegra, lkml
On 23 July 2014 12:24, Thierry Reding [off-list ref] wrote:
On Wed, Jul 23, 2014 at 10:14:44AM +0530, Viresh Kumar wrote:quoted
On 21 July 2014 21:09, Tuomas Tynkkynen [off-list ref] wrote:quoted
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index 7364a53..df3c73e 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm@@ -244,6 +244,7 @@ config ARM_SPEAR_CPUFREQ config ARM_TEGRA_CPUFREQ bool "TEGRA CPUFreq support" depends on ARCH_TEGRA + depends on GENERIC_CPUFREQ_CPU0Wouldn't this also disturb the existing cpufreq driver for earlier tegra platforms? i.e. we don't need cpufreq-cpu0 for them atleast as of now.Perhaps this should be "select" rather than "depends on"?
Don't know, its not optionaly for tegra124 and so a "depends on" might fit better ?
quoted
quoted
+static int tegra124_cpufreq_probe(struct platform_device *pdev) +{ + int ret; + + cpu_dev = get_cpu_device(0); + if (!cpu_dev) + return -ENODEV; +Shouldn't we do a of_node_get() here?I think this would need to be get_device() since it's the struct device that's being used subsequently.
Probably I didn't write it well.. What I meant was after doing a get_cpu_device() we might also need to do of_node_get(cpu_dev->of_node) as we would be using of_node in further code.