mfd: Avoid copying data in WM8994 I2C write
authorMark Brown <broonie@opensource.wolfsonmicro.com>
Thu, 17 Mar 2011 21:42:28 +0000 (21:42 +0000)
committerSamuel Ortiz <sameo@linux.intel.com>
Wed, 23 Mar 2011 09:42:10 +0000 (10:42 +0100)
commit334e9ab8f9bb90ddf1eff0b07609961a628064b6
tree662945d7aed6adb546ed3915186e86b2f56b3cad
parent4c4d887822070410e3be519e1a4ff933fb899ba8
mfd: Avoid copying data in WM8994 I2C write

As well as providing a trivial performance optimisation this also avoids
allocating a copy of the message on the stack which is beneficial when
doing large transfers.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
drivers/mfd/wm8994-core.c