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SubjectRe: [PATCH V1 2/3] Documentation: gpio: Add details of open-drain configuration
On Friday 17 February 2012 01:30 AM, Linus Walleij wrote:
> On Thu, Feb 16, 2012 at 9:28 AM, Laxman Dewangan<ldewangan@nvidia.com> wrote:
>
>> Yes, I can add the open source also but like to be in incremental change.
>> Not together with open drain.
>> We can go with:
>> - open drain core driver support.
>> - open drain sysfs interface support
>> - open source core driver support
>> - open source sysfs interface.
>>
>> I have already changes for the first 2 which we can review/apply,
>> Meanwhile I will work on open source support.
>>
>> Does it look good?
> Well as a patch concept it is OK but I have real bad feelings about
> patch [2/4] and [4/4] adding sysfs.
>
> What the GPIO subsystem really needs is to get rid of sysfs
> interfaces, have them deprecated and replaced with a
> per-gpiochip /dev/gpioN with ioctl()s or similar instead. The sysfs
> interface is just ... it won't scale.
>
Wow, then I will not add 2/4 and 4/4.

> Yours,
> Linus Walleij



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