[PATCH 0/5] ARM: DT: remove redundant DT related code
Sudeep.KarkadaNagesha at arm.com
Tue Jul 23 08:36:32 EDT 2013
On 23/07/13 13:31, Michal Simek wrote:
> On 07/23/2013 01:32 PM, Sudeep KarkadaNagesha wrote:
>> From: Sudeep KarkadaNagesha <sudeep.karkadanagesha at arm.com>
>> As part of my changes to remove duplicate code for parsing cpu nodes
>> in the device tree, I found few unnecessary code mostly around smp_init_cpus.
>> Most of the ARM Cortex A9 based platforms use SCU to get the number of cpus
>> while many others depend on the device tree.
>> Even on DT based platforms using SCU, they can be made to depend on DT
>> to cpu count simplifying smp_init_cpus. In fact arm_dt_init_cpu_maps called
>> before smp_init_cpus, already does the device tree parsing, validating
>> nr_cpu_ids and setting the cpu_possible_mask appropriately.
>> However this series targets only the platforms using DT for cpu count
>> (i.e. not using SCU)
> Just a note. Zynq is using SCU to get cpu count not DT.
Correct, when I saw that vexpress and zynq were only 2 platforms
setting cpu_present_mask which is unnecessary, I added Zynq last minute
to this series.
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