linux-kernel - Re: [PATCH 3/3] ipc: Added support for IPC interrupt mode

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Date:	Thu, 14 Nov 2013 09:36:18 -0800
From:	David Cohen <david.a.cohen@...ux.intel.com>
To:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
CC:	matthew.garrett@...ula.com, platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org, eric.ernst@...ux.intel.com,
	Kuppuswamy Sathyanarayanan 
	<sathyanarayanan.kuppuswamy@...ux.intel.com>
Subject: Re: [PATCH 3/3] ipc: Added support for IPC interrupt mode

Hi Alan,

[snip]

> So I think
>
> 1. Pass the informatio upon whether IRQ mode should be used in the
> platform information and remove all the ifdeffery

I will double check with Sathya. But in case polling mode is left for
development purpose, make we can create a static variable to set irq
mode or not.

> 2. Log timeouts

Agreed.

> 3. Explain what happens on a timeout that allows you to issue further
> commands without a race - eg do you need to do any kind of reset or will
> the next command issue stall sufficiently etc ?

I'll check with Sathya.

Thanks,

David Cohen
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