On Monday 14 November 2016 05:26 PM, Arnd Bergmann wrote:
> On Monday, November 14, 2016 10:31:59 AM CET Pankaj Dubey wrote:
>> static const struct of_device_id realview_scu_match[] = {
>> { .compatible = "arm,arm11mp-scu", },
>> - { .compatible = "arm,cortex-a9-scu", },
>> - { .compatible = "arm,cortex-a5-scu", },
>> { }
>> };
>>
>> @@ -41,27 +39,18 @@ static void __init realview_smp_prepare_cpus(unsigned
>> int max_cpus)
>> struct device_node *np;
>> void __iomem *scu_base;
>> struct regmap *map;
>> - unsigned int ncores;
>> int i;
>>
>> - np = of_find_matching_node(NULL, realview_scu_match);
>> - if (!np) {
>> - pr_err("PLATSMP: No SCU base address\n");
>> - return;
>> + if (of_scu_enable()) {
>> + np = of_find_matching_node(NULL, realview_scu_match);
>> + scu_base = of_iomap(np, 0);
>> + of_node_put(np);
>> + if (!scu_base) {
>> + pr_err("PLATSMP: No SCU remap\n");
>> + return;
>> + }
>> + scu_enable(scu_base);
>> }
>>
>
> The only difference here seems to be that realview also needs to handle
> "arm,arm11mp-scu". Why not move that into the generic implementation?
>
Do you mean "arm,arm11mp-scu" this is generic SCU specific to ARM?
If it's generic then it can be moved on the same line I moved a5-scu and
a9-scu.
I left it here in same file, as I understood it might be related with
very specific to realview platform.
Thanks,
Pankaj Dubey
> Arnd
>
>
>
