Thread (19 messages) 19 messages, 2 authors, 2017-03-09

[rtc-linux] Re: [PATCH 00/13] rtc: Add OF device table to I2C drivers that are missing it

From: Alexandre Belloni <hidden>
Date: 2017-03-03 15:08:43
Also in: lkml

Hi,

On 03/03/2017 at 11:29:11 -0300, Javier Martinez Canillas wrote:
This series add OF device ID tables to RTC I2C drivers whose devices are
either used in Device Tree source files or are listed in binding docs as
a compatible string.

That's done because the plan is to change the I2C core to report proper OF
modaliases instead of always reporting a MODALIAS=i2c:<foo> regardless if
a device was registered via DT or using the legacy platform data.
Doesn't that break the DT ABI for all i2c devices? A lot of people are
getting the vendor wrong in the compatible string and because the i2c
core doesn't care, the driver is still probed. Dropping that will break
all those DTBs.
Or will that only affect module autoload?


-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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