linux-kernel - Re: [PATCH v3] i2c: stub: Add support for SMBus block commands

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Message-ID: <20140717171249.GB2901@katana>
Date:	Thu, 17 Jul 2014 19:12:49 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	Jean Delvare <jdelvare@...e.de>,
	Randy Dunlap <rdunlap@...radead.org>,
	linux-i2c@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] i2c: stub: Add support for SMBus block commands

On Thu, Jul 17, 2014 at 09:56:03AM -0700, Guenter Roeck wrote:
> SMBus block commands are different to I2C block commands since
> the returned data is not normally accessible with byte or word
> commands on other command offsets. Add linked list of 'block'
> commands to support those commands.
> 
> Access mechanism is quite simple: Block commands must be written
> before they can be read. Subsequent writes can be partial. Block
> read commands always return the number of bytes associated with
> the longest previous write.
> 
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>

Applied to for-next, thanks! I took the liberty to add Jean's Rev-by tag
from V2.


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