[PATCH] drivers: remove all i2c_set_clientdata(client, NULL)
khali at linux-fr.org
Tue Jun 1 13:53:10 UTC 2010
On Mon, 31 May 2010 14:55:48 +0200, Wolfram Sang wrote:
> I2C-drivers can use the clientdata-pointer to point to private data. As I2C
> devices are not really unregistered, but merely detached from their driver, it
> used to be the drivers obligation to clear this pointer during remove() or a
> failed probe(). As a couple of drivers forgot to do this, it was agreed that it
> was cleaner if the i2c-core does this clearance when appropriate, as there is
> no guarantee for the lifetime of the clientdata-pointer after remove() anyhow.
> This feature was added to the core with commit
> e4a7b9b04de15f6b63da5ccdd373ffa3057a3681 to fix the faulty drivers.
> As there is no need anymore to clear the clientdata-pointer, remove all current
> occurrences in the drivers to simplify the code and prevent confusion.
> Signed-off-by: Wolfram Sang <w.sang at pengutronix.de>
> Cc: Jean Delvare <khali at linux-fr.org>
Applied, thanks. Will go to Linus in the next few days.
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