From: Wolfram Sang <wsa@kernel.org>
To: Vincent Whitchurch <vincent.whitchurch@axis.com>
Cc: kernel@axis.com, linux-i2c@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/1] i2c: core: support no-detect property
Date: Wed, 19 Oct 2022 22:24:00 +0200 [thread overview]
Message-ID: <Y1Bc4AjlZPs512Ao@shikoro> (raw)
In-Reply-To: <20220429130749.3032462-2-vincent.whitchurch@axis.com>
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On Fri, Apr 29, 2022 at 03:07:49PM +0200, Vincent Whitchurch wrote:
> If the devicetree specifies the no-detect property (documented in
> dt-schema [0]) for the I2C bus, we know that there are no other devices
> on the bus other than the ones listed in the devicetree, so avoid
> calling drivers' detect callbacks and wasting time looking for devices
> which do not exist.
Setting 'classes' in the adapter struct to 0 (actually to
'I2C_CLASS_DEPRECATED' for a while) is not good enough? Or do you need
class based instantiation on some busses?
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prev parent reply other threads:[~2022-10-19 20:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-29 13:07 [PATCH v3 0/1] i2c: Allow disabling auto detection via devicetree Vincent Whitchurch
2022-04-29 13:07 ` [PATCH v3 1/1] i2c: core: support no-detect property Vincent Whitchurch
2022-10-19 20:24 ` Wolfram Sang [this message]
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