Re: [PATCH] pfuze100-regulator: Revert "regulator: pfuze100: Use of_get_child_by_name"

From: Sachin Kamat
Date: Tue Feb 18 2014 - 22:28:13 EST


On 19 February 2014 07:42, Shawn Guo <shawn.guo@xxxxxxxxxx> wrote:
> On Tue, Feb 18, 2014 at 09:58:52PM +0530, Sachin Kamat wrote:
>> On 18 February 2014 21:20, Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx> wrote:
>> > Since commit d7857c42 (regulator: pfuze100: Use of_get_child_by_name) we get
>> > the following probe failure:
>> >
>> > pfuze100-regulator 1-0008: Full layer: 1, Metal layer: 0
>> > pfuze100-regulator 1-0008: FAB: 0, FIN: 0
>> > pfuze100-regulator 1-0008: regulators node not found
>> > pfuze100-regulator: probe of 1-0008 failed with error -22
>> >
>> > Revert the offending commit so that we can probe the regulator successfully.
>>
>> I wonder what is different in this case from the ones that I already
>> have working
>> that is causing this to fail. Can you please tell me which dts file
>> you have used
>> so that I can see if the way the node is defined is anything different.
>
> When you change to use of_get_child_by_name(), you should change 'np' to
> point to dev->of_node too.

Thanks for the tip Shawn. Coincidentally all the ones that I tested
had this (np pointing
to dev->of_node) already. So I happened to miss out on this check.

--
With warm regards,
Sachin
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