[PATCH v3 4/8] clk: Add clock driver for mb86s7x

Jassi Brar
2015-01-09T13:03:54Z

On 9 January 2015 at 18:09, Russell King - ARM Linux
<linux@arm.linux.org.uk> wrote:
> On Fri, Jan 09, 2015 at 07:29:37PM +0800, Vincent Yang wrote:
>> +static int mb86s7x_clclk_of_init(void)
>> +{
>> + int cpu;
>> + struct clk *clk;
>> +
>> + for_each_possible_cpu(cpu) {
>> + struct device *cpu_dev = get_cpu_device(cpu);
>> +
>> + if (!cpu_dev) {
>> + pr_err("failed to get cpu%d device\n", cpu);
>> + continue;
>> + }
>> +
>> + clk = mb86s7x_clclk_register(cpu_dev);
>> + if (IS_ERR(clk)) {
>> + pr_err("failed to register cpu%d clock\n", cpu);
>> + continue;
>> + }
>> + if (clk_register_clkdev(clk, NULL, dev_name(cpu_dev))) {
>> + pr_err("failed to register cpu%d clock lookup\n", cpu);
>> + continue;
>> + }
>> + pr_debug("registered clk for %s\n", dev_name(cpu_dev));
>> + }
>> +
>> + platform_device_register_simple("arm-bL-cpufreq-dt", -1, NULL, 0);
>> +
>> + return 0;
>> +}
>> +module_init(mb86s7x_clclk_of_init);
>
> What is the effect of this initialising on platforms which are not
> a "mb86s7x" ?
>
Yeah, there should have been some check for node
"fujitsu,mb86s70-scb-1.0" that guarantees we have a remote+protocol
that this driver assumes.

Thanks
Jassi