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* i2c: Remove all i2c_set_clientdata(client, NULL) in driversWolfram Sang2010-06-031-1/+0
| | | | | | | | | | | | | | | | | | | | | 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@pengutronix.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: Richard Purdie <rpurdie@linux.intel.com> Acked-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Jean Delvare <khali@linux-fr.org>
* mfd: Fix dangling pointersWolfram Sang2010-05-281-1/+1
| | | | | | | | | | Fix I2C-drivers which missed setting clientdata to NULL before freeing the structure it points to. Also fix drivers which do this _after_ the structure was freed already. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Allow configuration of VDCDC2 for tps65010Ben Dooks2009-12-131-0/+28
| | | | | | | | | | | | | | | Add function to allow the configuation fo the VDCDC2 register by external users, to allow changing of the standard and low-power running modes. This is needed, for example, for the Simtec IM2440D20 where we need to use the low-power mode to shutdown the LDO/DCDC that are not needed during suspend (saving substantial power) and the runtime use of the low-power mode to change VCore. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Simtec Linux Team <linux@simtec.co.uk> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Allow the board to choose any GPIO base for tps65010Ben Dooks2009-12-131-1/+1
| | | | | | | | | | | | | If the board does not care where the TPS turns up, then specifiying the value -1 to get gpiolib to dynamically allocate the base for the chip is valid. Change the test to look for != 0, so that any boards specifying zero will not end up with gpio that they didn't want. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Simtec Liunx Team <linux@simtec.co.uk> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: move drivers/i2c/chips/tps65010.c to drivers/mfdDavid Brownell2009-01-041-0/+1072
Move the tps65010 driver from drivers/i2c/chips to drivers/mfd since it's more of a multi-function device than anything else, and since Jean is trying to vanish drivers/i2c/chips ASAP. One way to think of these chips are as the PMIC family most used with OMAP1 generation chips. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>