[PATCH v6 08/12] gpio: add ti-ssp gpio driver

Ryan Mallon ryan at bluewatersys.com
Mon Nov 22 14:35:58 EST 2010


On 11/23/2010 12:20 AM, Mark Brown wrote:
> On Sun, Nov 21, 2010 at 02:31:38PM -0700, Grant Likely wrote:
>> On Sun, Nov 21, 2010 at 1:02 PM, Ryan Mallon <ryan at bluewatersys.com> wrote:
> 
>>> Currently the code will allow you to install
>>> several peripherals at once, which will lead to odd behaviour at
>>> runtime. Maybe a better approach would be to have something like this in
>>> drivers/mfd/ti-ssp.c:
> 
>> Only the ssp core itself is allowed to register the peripheral
>> devices, and so using the parent pointer is perfectly valid.  I think
>> Cyril's approach is fine.
> 
> This is very much a standard idiom for MFD children in Linux - if the
> children are entirely reliant on working through a parent-specific API
> anyway there's no issue with making the parent device be part of that
> API.

Yeah, I misunderstood how the registration worked. It is fine as is,
ignore my comments :-).

~Ryan

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