On Mon, Dec 14, 2015 at 1:46 PM, Johan Hovold <johan@xxxxxxxxxx> wrote:
> Ok, but let's take a step back. So you have all this in place and a
> consumer calls gpiod_get_value() that returns an errno because the device
> is gone. Note that this wasn't even possible before e20538b82f1f ("gpio:
> Propagate errors from chip->get()") that went into *v4.3*, and I assume
> most drivers would need to be updated to even handle that that gpio
> call, and all future calls, are now suddenly failing.
I actually have a revert of that in my fixes queue. So another step back
and two forward for v4.5 (hopefully): audit all drivers to respect this.
Yours,
Linus Walleij
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