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Mark Brown bf5892a816 regulator: Support voltage offsets to compensate for drops in system 
Some systems, particularly physically large systems used for early
prototyping, may experience substantial voltage drops between the regulator
and the consumers as a result of long traces in the system. With these
systems voltages may need to be set higher than requested in order to
ensure reliable system operation.

Allow systems to work around such hardware issues by allowing constraints
to supply an offset to be applied to any requested and reported voltages.
This is not ideal, especially since the voltage drop may be load dependant,
but is sufficient for most affected systems, it is not expected to be used
in production hardware. The offset is applied after all constraint
processing so constraints should be specified in terms of consumer values
not physically configured values.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
 		2011-05-27 10:34:37 +01:00
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accessibility
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acpi Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging 2011-05-25 16:52:50 -07:00
amba
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ata Merge branch 'for-2.6.40/core' of git://git.kernel.dk/linux-2.6-block 2011-05-25 09:14:07 -07:00
atm
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auxdisplay
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base mm: per-node vmstat: show proper vmstats 2011-05-25 08:39:07 -07:00
bcma drivers/bcma/host_pci.c needs slab.h 2011-05-26 17:12:32 -07:00
block Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2011-05-25 11:46:31 -07:00
bluetooth
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cdrom
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char drivers/char/ppdev.c: put gotten port value 2011-05-26 17:12:37 -07:00
clk
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clocksource
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connector
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cpufreq
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cpuidle
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crypto
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dca
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dio
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dma mfd: Use mfd cell platform_data for timberdale cells platform bits 2011-05-26 19:45:05 +02:00
edac edac,rcu: use synchronize_rcu() instead of call_rcu()+rcu_barrier() 2011-05-26 17:12:37 -07:00
eisa
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firewire
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firmware
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gpio Merge branch 'gpio/next' of git://git.secretlab.ca/git/linux-2.6 2011-05-26 12:14:41 -07:00
gpu vmscan: change shrinker API by passing shrink_control struct 2011-05-25 08:39:26 -07:00
hid
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hwmon hwmon: New driver for the SMSC EMC6W201 2011-05-25 20:43:33 +02:00
hwspinlock
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i2c mfd: Use mfd cell platform_data for timberdale cells platform bits 2011-05-26 19:45:05 +02:00
ide Merge branch 'for-2.6.40/core' of git://git.kernel.dk/linux-2.6-block 2011-05-25 09:14:07 -07:00
idle
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ieee802154
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infiniband Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2011-05-26 12:13:57 -07:00
input input: Add support for Qualcomm PMIC8XXX power key 2011-05-26 19:45:54 +02:00
isdn Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-05-26 13:19:00 -07:00
leds leds: Add ASIC3 LED support 2011-05-26 19:45:46 +02:00
lguest
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macintosh
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mca
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md
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media Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-05-26 13:19:00 -07:00
memstick
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message
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mfd mfd: Add omap-usbhs runtime PM support 2011-05-26 19:45:52 +02:00
misc kgdbts: unify/generalize gdb breakpoint adjustment 2011-05-26 17:12:36 -07:00
mmc mmc: Use device platform_data to retrieve tmio_mmc platform bits 2011-05-26 19:44:59 +02:00
mtd mtd: Use platform_data to retrieve tmio_nand platform bits 2011-05-26 19:45:04 +02:00
net Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-05-26 13:19:00 -07:00
nfc
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nubus
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of
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oprofile
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parisc
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parport Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-05-26 13:19:00 -07:00
pci
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pcmcia
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platform x86: remove 32-bit versions of readq()/writeq() 2011-05-25 08:39:44 -07:00
pnp
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power w1: add Maxim/Dallas DS2780 Stand-Alone Fuel Gauge IC support 2011-05-26 17:12:38 -07:00
pps
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ps3
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ptp
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rapidio
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regulator regulator: Support voltage offsets to compensate for drops in system 2011-05-27 10:34:37 +01:00
rtc drivers/rtc/rtc-mxc.c: remove defines already included in rtc.h 2011-05-26 17:12:33 -07:00
s390
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sbus
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scsi Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-05-26 13:19:00 -07:00
sfi
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sh
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sn
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spi Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 2011-05-26 12:14:20 -07:00
ssb
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staging Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-05-26 13:19:00 -07:00
target
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tc
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telephony
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thermal
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tty m32r: fix spin_lock_irqsave() misuse 2011-05-26 17:12:33 -07:00
uio
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usb
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uwb
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vhost
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video drivers/video/mb862xx/mb862xxfbdrv.c needs uaccess.h 2011-05-26 17:12:32 -07:00
virtio
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vlynq
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w1 w1: add Maxim/Dallas DS2780 Stand-Alone Fuel Gauge IC support 2011-05-26 17:12:38 -07:00
watchdog mfd: Use mfd cell platform_data for rdc321x cells platform bits 2011-05-26 19:45:06 +02:00
xen Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/djm/tmem 2011-05-26 10:50:56 -07:00
zorro
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Kconfig
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Makefile Merge branch 'timers-ptp-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2011-05-25 08:59:42 -07:00