linux-kernel - Re: [PATCH v2 1/4] i2c: imx: only poll for bus busy in multi master mode

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Message-ID: <CAOMZO5DW+Wz7AWPJCBXkdaMf3NRcZTAmj2Wo9rvwnH9pDGbSGg@mail.gmail.com>
Date: Wed, 21 Aug 2024 13:43:49 -0300
From: Fabio Estevam <festevam@...il.com>
To: Stefan Eichenberger <eichest@...il.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de, andi.shyti@...nel.org, 
	shawnguo@...nel.org, s.hauer@...gutronix.de, Frank.Li@....com, 
	francesco.dolcini@...adex.com, linux-i2c@...r.kernel.org, imx@...ts.linux.dev, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	Stefan Eichenberger <stefan.eichenberger@...adex.com>
Subject: Re: [PATCH v2 1/4] i2c: imx: only poll for bus busy in multi master mode

Hi Stefan and Oleksij,

On Wed, Aug 21, 2024 at 12:23 PM Stefan Eichenberger <eichest@...il.com> wrote:

> Thanks a lot for testing. Are the other patches required as well or did
> only introducing the master mode flag solve the issue?

Only applying this one fixed the problem.

> > It looks like with this patch, the I2SR_IAL interrupt is not cleared.
> > I would expect some kind of interrupt storm. Can you confirm it?

I have just inspected 'cat /proc/interrupts' and no interrupt storm is seen.

Thanks