[PATCH v2 3/4] powerpc/memhotplug: Make lmb size 64bit
Michael Ellerman
mpe at ellerman.id.au
Wed Oct 7 16:56:36 AEDT 2020
Nathan Lynch <nathanl at linux.ibm.com> writes:
> "Aneesh Kumar K.V" <aneesh.kumar at linux.ibm.com> writes:
>> @@ -322,12 +322,16 @@ static int pseries_remove_mem_node(struct device_node *np)
>> /*
>> * Find the base address and size of the memblock
>> */
>> - regs = of_get_property(np, "reg", NULL);
>> - if (!regs)
>> + prop = of_get_property(np, "reg", NULL);
>> + if (!prop)
>> return ret;
>>
>> - base = be64_to_cpu(*(unsigned long *)regs);
>> - lmb_size = be32_to_cpu(regs[3]);
>> + /*
>> + * "reg" property represents (addr,size) tuple.
>> + */
>> + base = of_read_number(prop, mem_addr_cells);
>> + prop += mem_addr_cells;
>> + lmb_size = of_read_number(prop, mem_size_cells);
>
> Would of_n_size_cells() and of_n_addr_cells() work here?
Yes that should work and be cleaner.
cheers
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