Re: [PATCH 02/10] Input: atmel_mxt_ts - register input device beforerequest_irq

From: Dmitry Torokhov
Date: Wed Feb 13 2013 - 16:42:24 EST

Hi Daniel,

On Fri, Feb 01, 2013 at 04:11:44PM +0800, Daniel Kurtz wrote:
> As soon as the irq is request, input event interrupts could occur that
> the isr should handle. Similarly, if there are input events queued up
> in the device output buffer, it will send them immediately when we
> drain the message buffer with mxt_handle_messages.
> Therefore, register the input device before enabling the irq (or handling
> messages).

I do not see the point. The allocated device can withstand
input_events() calls even without being registered and I am not sure why
anyone would be particularly interested in events that happened before
or during device registration, espceially for a touchscreen device.


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