Re: [PATCH 3/5] phy: miphy28lp: Provide support for the MiPHY28lp Generic PHY

From: Gabriel Fernandez
Date: Thu Aug 14 2014 - 08:37:22 EST


Hi Srini,


On 14 August 2014 14:15, Srinivas Kandagatla
<srinivas.kandagatla@xxxxxxxxxx> wrote:
> Hi Gabi,
>
> I did not review the full patchset but this function caught my attention..
>
>
>> +};
>> +
>> +static int miphy28lp_get_ressource_byname(struct device_node *child,
>> + char *name, struct resource
>> *res)
>> +{
>
>
> s/miphy28lp_get_ressource_byname/miphy28lp_get_resource_byname
ok

>
>
>> + int index, ret = 0, count = 0;
>> + int reg_tuple_size;
>> + const __be32 *p;
>> +
>> + reg_tuple_size = (of_n_addr_cells(child) +
>> + of_n_size_cells(child)) * sizeof(u32);
>> +
>> + p = of_get_property(child, "reg", &count);
>> + if (count % reg_tuple_size != 0)
>> + ret = -EINVAL;
>> +
>> + count /= reg_tuple_size;
>> +
>> + for (index = 0; index < count; index++) {
>> + const char *rname = NULL;
>> +
>> + ret = of_property_read_string_index(child, "reg-names",
>> + index, &rname);
>> + if (!strcmp(name, rname))
>> + return of_address_to_resource(child, index, res);
>> + }
>> +
>> + return 1;
>
> This function looks bit complicated, can't we just use:
>
> index = of_property_match_string(np, "reg-names", rname);
> if (index < 0)
> return -ENODEV;
>
> return of_address_to_resource(child, index, res);

Indeed it's a little bit simpler... :)

>
>
>
> --srini

Thanks a lot Srini

Best Regards

Gabriel
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