[U-Boot] [PATCHv1 14/14] reset: remove request and free functions

Dinh Nguyen dinguyen at kernel.org
Mon Apr 16 20:41:03 UTC 2018



On 04/16/2018 01:51 PM, Stephen Warren wrote:
> On 04/16/2018 12:43 PM, Simon Glass wrote:
>> +Stephen for comment
>>
>> Hi Dinh,
>>
>> On 14 April 2018 at 12:51, Dinh Nguyen <dinguyen at kernel.org> wrote:
>>> The request and free reset functions are not really used for any useful
>>> purpose but for debugging. We can safely remove them.
>>
>> The API is set to line up with clocks. I think in general we do want
>> to be able to request and free these devices, just as we do for GPIOs.
>> What is the goal of removing these methods?
> 
> Many of the request methods do in fact do something; they check the
> validity of the reset ID so that check doesn't need to be duplicated
> everywhere. Even ignoring that, any resource management API should have
> explicit request/free APIs so that lifetime can be tracked if needed.

Agreed, that the checks were in some of the request functions, but the
majority did not do any checks, just a debug() statement. All of the
platforms that did the checks, I just moved them to reset_assert and
reset_deassert.

Dinh


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