linux-kernel - Re: i2c: undefined option I2C_ALGO

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Date:   Wed, 16 Nov 2016 16:43:28 +0100
From:   Thierry Reding <treding@...dia.com>
To:     Valentin Rothberg <valentinrothberg@...il.com>
CC:     <smohammed@...dia.com>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: i2c: undefined option I2C_ALGO_BUSCLEAR

On Wed, Nov 16, 2016 at 04:39:57PM +0100, Thierry Reding wrote:
> On Wed, Nov 16, 2016 at 08:31:35AM +0100, Valentin Rothberg wrote:
> > Hi Shardar,
> > 
> > your commit c3ca951fe41a ("i2c: Add Tegra BPMP I2C proxy driver")
> > popped up in today's linux-next tree, adding Kconfig option
> > I2C_TEGRA_BPMP, which further selects I2C_ALGO_BUSCLEAR, which is
> > nowhere defined in Kconfig.
> > 
> > Is there a patch queued somewhere to add I2C_ALGO_BUSCLEAR to Kconfig?
> >  I could not find anything on the lkml; only some older repositories
> > on github, where the options is defined in drivers/i2c/busses/Kconfig.
> 
> This looks to be something that was part of some downstream kernel a
> long time ago. Given that it doesn't exist upstream and the driver does
> not use anything related to it, I'll just drop the select. Thanks for
> pointing this out.

Actually the I2C_ALGO_BIT seems to be completely unused as well. I'm
going to drop that, too.

Thierry

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