On 20/01/2023 15:10, Yann Sionneau wrote:
+static int __init setup_cpuinfo(void)
+{
+ int cpu;
+ struct clk *clk;
+ unsigned long cpu_freq = 1000000000;
+ struct device_node *node = of_get_cpu_node(0, NULL);
+
+ clk = of_clk_get(node, 0);
+ if (IS_ERR(clk)) {
+ printk(KERN_WARNING
+ "Device tree missing CPU 'clock' parameter. Assuming frequency is
1GHZ");
+ goto setup_cpu_freq;
+ }
+
+ cpu_freq = clk_get_rate(clk);
What about cpufreq? I don't think this is useful.
Best regards,
Krzysztof