From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
To: Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] i2c: Make I2C ID tables non-mandatory for DT'ed and/or ACPI'ed devices
Date: Sat, 31 May 2014 15:48:06 +0200 [thread overview]
Message-ID: <20140531134805.GA3287@katana> (raw)
In-Reply-To: <20140530192516.GA4319@lee--X1>
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> Right, I read the function which provides the functionality, but my
> point is; I don't think my patch changes the semantics in a way which
> would adversely affect this option. If you think that it does, can you
> specify how please?
Currently, if a driver would be DT only and does not provide a seperate
i2c_device_id table, then the driver is unusable with method 4. I don't
like to have some drivers being capable of it and some not.
> Does the sysfs method create a i2c_device_id table? If not, how does
> it probe successfully pre-patch?
The sysfs method creates a device. Its name is matched against
i2c_device_ids only since it does not have a node pointer for DT to be
matched against.
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WARNING: multiple messages have this Message-ID (diff)
From: wsa@the-dreams.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] i2c: Make I2C ID tables non-mandatory for DT'ed and/or ACPI'ed devices
Date: Sat, 31 May 2014 15:48:06 +0200 [thread overview]
Message-ID: <20140531134805.GA3287@katana> (raw)
In-Reply-To: <20140530192516.GA4319@lee--X1>
> Right, I read the function which provides the functionality, but my
> point is; I don't think my patch changes the semantics in a way which
> would adversely affect this option. If you think that it does, can you
> specify how please?
Currently, if a driver would be DT only and does not provide a seperate
i2c_device_id table, then the driver is unusable with method 4. I don't
like to have some drivers being capable of it and some not.
> Does the sysfs method create a i2c_device_id table? If not, how does
> it probe successfully pre-patch?
The sysfs method creates a device. Its name is matched against
i2c_device_ids only since it does not have a node pointer for DT to be
matched against.
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From: Wolfram Sang <wsa@the-dreams.de>
To: Lee Jones <lee.jones@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, grant.likely@linaro.org,
linus.walleij@linaro.org, linux-i2c@vger.kernel.org
Subject: Re: [PATCH] i2c: Make I2C ID tables non-mandatory for DT'ed and/or ACPI'ed devices
Date: Sat, 31 May 2014 15:48:06 +0200 [thread overview]
Message-ID: <20140531134805.GA3287@katana> (raw)
In-Reply-To: <20140530192516.GA4319@lee--X1>
[-- Attachment #1: Type: text/plain, Size: 705 bytes --]
> Right, I read the function which provides the functionality, but my
> point is; I don't think my patch changes the semantics in a way which
> would adversely affect this option. If you think that it does, can you
> specify how please?
Currently, if a driver would be DT only and does not provide a seperate
i2c_device_id table, then the driver is unusable with method 4. I don't
like to have some drivers being capable of it and some not.
> Does the sysfs method create a i2c_device_id table? If not, how does
> it probe successfully pre-patch?
The sysfs method creates a device. Its name is matched against
i2c_device_ids only since it does not have a node pointer for DT to be
matched against.
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next prev parent reply other threads:[~2014-05-31 13:48 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-30 12:26 [PATCH 0/{1,1}] i2c: Make I2C ID tables non-mandatory for DT/ACPI Lee Jones
2014-05-30 12:26 ` Lee Jones
2014-05-30 12:26 ` Lee Jones
2014-05-30 12:26 ` [PATCH] i2c: Make I2C ID tables non-mandatory for DT'ed and/or ACPI'ed devices Lee Jones
2014-05-30 12:26 ` Lee Jones
2014-05-30 12:36 ` Wolfram Sang
2014-05-30 12:36 ` Wolfram Sang
2014-05-30 12:55 ` Lee Jones
2014-05-30 12:55 ` Lee Jones
2014-05-30 12:55 ` Lee Jones
2014-05-30 13:34 ` Lee Jones
2014-05-30 13:34 ` Lee Jones
2014-05-30 13:34 ` Lee Jones
2014-05-30 17:48 ` Wolfram Sang
2014-05-30 17:48 ` Wolfram Sang
2014-05-30 17:48 ` Wolfram Sang
2014-05-30 19:25 ` Lee Jones
2014-05-30 19:25 ` Lee Jones
2014-05-31 13:48 ` Wolfram Sang [this message]
2014-05-31 13:48 ` Wolfram Sang
2014-05-31 13:48 ` Wolfram Sang
2014-06-02 12:16 ` Linus Walleij
2014-06-02 12:16 ` Linus Walleij
[not found] ` <CACRpkdZvyfA0aaJe3YuevXfA2pTZLRPZ3mQpitL6qD7=qE0Xyg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-06-02 12:38 ` Wolfram Sang
2014-06-02 12:38 ` Wolfram Sang
2014-06-02 12:38 ` Wolfram Sang
2014-06-02 13:26 ` Linus Walleij
2014-06-02 13:26 ` Linus Walleij
2014-06-02 13:26 ` Lee Jones
2014-06-02 13:26 ` Lee Jones
2014-06-02 14:29 ` Michael Lawnick
2014-06-02 14:29 ` Michael Lawnick
2014-06-02 14:29 ` Michael Lawnick
2014-06-03 11:18 ` Linus Walleij
2014-06-03 11:18 ` Linus Walleij
2014-06-04 6:09 ` Michael Lawnick
2014-06-04 6:09 ` Michael Lawnick
[not found] ` <538EB81B.3090807-Mmb7MZpHnFY@public.gmane.org>
2014-06-12 7:55 ` Linus Walleij
2014-06-12 7:55 ` Linus Walleij
2014-06-12 7:55 ` Linus Walleij
[not found] ` <CACRpkda3bL=y3Dmkf59LT97Liep=XEzgE3P-YngLeD_w1qcAzQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-06-12 9:28 ` Michael Lawnick
2014-06-12 9:28 ` Michael Lawnick
2014-06-12 9:28 ` Michael Lawnick
2014-05-30 12:26 ` Lee Jones
2014-05-30 12:26 ` Lee Jones
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