linux-kernel - Re: [PATCH 1/2] Revert "HID: i2c-hid: Add support for ACPI GPIO interrupts"

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Date:   Thu, 13 Oct 2016 13:24:45 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:     Jiri Kosina <jikos@...nel.org>, David Arcari <darcari@...hat.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] Revert "HID: i2c-hid: Add support for ACPI GPIO
 interrupts"

On Thu, Oct 13, 2016 at 11:30:44AM +0200, Benjamin Tissoires wrote:
> From: David Arcari <darcari@...hat.com>
> 
> This reverts commit a485923efbb8 ("HID: i2c-hid: Add support for ACPI
> GPIO interrupts") and commit a7d2bf25a483 ("HID: i2c-hid: Do not fail
> probing if gpiolib is not enabled") at the same time.
> 
> Since commit c884fbd45214 ("gpio / ACPI: Add support for retrieving
> GpioInt resources from a device") i2c_core already set the IRQ by
> looking into the ACPI tree and retrieving the gpioInt. So we just
> have some boiler-plate here that is not needed anymore.
> 
> The only downside effect here is that now we are not exiting early
> enough if the irq is set to -EPROBE_DEFER or any other error, but
> this is going to be fixed in the following patch.
> 
> Signed-off-by: David Arcari <darcari@...hat.com>
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>

I went through my collection of ACPI dumps from different machines and I
did not find anything using plain GpioIo() resource. So I think this
should be safe thing to do.

Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>