linux-kernel - Re: [PATCH] i2c: Make I2C ID tables non-mandatory for DT'ed and/or ACPI'ed devices

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Message-ID: <20140530174800.GA4917@katana>
Date:	Fri, 30 May 2014 19:48:00 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	grant.likely@...aro.org, linus.walleij@...aro.org,
	linux-i2c@...r.kernel.org
Subject: Re: [PATCH] i2c: Make I2C ID tables non-mandatory for DT'ed and/or
 ACPI'ed devices

Hi Lee,

sorry for the delay.

> Would you mind telling me what I have changed that affects drivers
> registering via Sysfs?

Check Documentation/i2c/instantiating-devices, method 4. If a driver
does not have i2c_device_id, then this method won't work because the
newly created device has no of_node or ACPI_node and nothing will match.
Looking at the bigger picture, I'd really like to keep this feature.
People use it.

Regards,

   Wolfram

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