linux-kernel - Re: [PATCH 09/17] i2c: omap: ack IRQ in parts

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Message-ID: <20120614114712.GR13602@arwen.pp.htv.fi>
Date:	Thu, 14 Jun 2012 14:47:14 +0300
From:	Felipe Balbi <balbi@...com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Felipe Balbi <balbi@...com>, ben-linux@...ff.org,
	Tony Lindgren <tony@...mide.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	w.sang@...gutronix.de, linux-i2c@...r.kernel.org,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux ARM Kernel Mailing List 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 09/17] i2c: omap: ack IRQ in parts

On Thu, Jun 14, 2012 at 12:20:17PM +0100, Russell King - ARM Linux wrote:
> On Thu, Jun 14, 2012 at 01:20:42PM +0300, Felipe Balbi wrote:
> > According to flow diagrams on OMAP TRMs,
> > we should ACK the IRQ as they happen.
> 
> You don't explain that you're adding a new dev_err() statement into the
> driver for a missing acknowledge.
> 
> What if you're probing for a device - can this cause spam to the kernel
> console?  What if you have protocol mangling enabled with the "ignore
> lack of ack bit set" ?

indeed... maybe dev_vdbg() would fit better, or just don't add anything.

-- 
balbi

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