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Philipp Zabel c8f1e5025c regulator/max1586: fix V3 gain calculation integer overflow 
On Thu, May 28, 2009 at 10:59 AM, Mark Brown <broonie@opensource.wolfsonmicro.com> wrote:
> On Thu, May 28, 2009 at 07:15:16AM +0200, Philipp Zabel wrote:
>> The V3 regulator can be configured with an external resistor
>> connected to the feedback pin (R24 in the data sheet) to
>> increase the voltage range.
>>
>> For example, hx4700 has R24 = 3.32 kOhm to achieve a maximum
>> V3 voltage of 1.55 V which is needed for 624 MHz CPU frequency.
>>
>> Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
>
> Looks good.
>
> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

Thanks, but it turns out I hit a 32 bit integer overflow in
the gain calculation. I'd like to mend that with the following
patch. Now max_uV could be increased up to 4.294 V, enough to
charge LiPo cells.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-06-15 11:18:27 +01:00
..
accessibility
acpi Merge branch 'irq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 15:25:41 -07:00
amba
ata Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
atm
auxdisplay
base Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
block Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
bluetooth tty: fix bluetooth scribbling on low latency flags 2009-06-11 08:51:05 -07:00
cdrom block: Use accessor functions for queue limits 2009-05-22 23:22:54 +02:00
char Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
clocksource clocksource: sh_mtu2/cmt_register() should be static. 2009-05-03 18:05:42 +09:00
connector trivial: Kconfig: .ko is normally not included in module names 2009-06-12 18:01:50 +02:00
cpufreq cpumask: alloc zeroed cpumask for static cpumask_var_ts 2009-06-09 22:30:27 +09:30
cpuidle
crypto Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
dca
dio
dma Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2009-05-30 07:57:44 -07:00
edac trivial: fix typos s/paramter/parameter/ and s/excute/execute/ in documentation and source comments. 2009-06-12 18:01:46 +02:00
eisa
firewire
firmware [libata] ahci: Restore SB600 SATA controller 64 bit DMA 2009-06-10 11:05:00 -04:00
gpio microblaze: Kconfig: Enable drivers for Microblaze 2009-05-21 15:56:04 +02:00
gpu Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 2009-06-12 18:09:18 -07:00
hid Merge branches 'upstream' and 'ntrig-multitouch' into for-linus 2009-06-12 17:42:13 +02:00
hwmon hwmon: (lm78) Add missing __devexit_p() 2009-06-01 13:46:49 +02:00
i2c Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2009-06-14 13:42:43 -07:00
ide Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
idle i7300_idle: allow testing on i5000-series hardware w/o re-compile 2009-05-28 20:52:40 -04:00
ieee1394 fs: Remove i_cindex from struct inode 2009-06-11 21:36:09 -04:00
infiniband Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2009-06-14 13:53:22 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
isdn trivial: fix typo milisecond/millisecond for documentation and source comments. 2009-06-12 18:01:46 +02:00
leds [ARM] S3C24XX: GPIO: Move gpio functions out of <mach/hardware.h> 2009-05-18 16:25:40 +01:00
lguest Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-lguest 2009-06-12 09:32:26 -07:00
macintosh Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 2009-04-24 08:16:05 -07:00
mca
md Merge branch 'for-2.6.31' of git://git.kernel.dk/linux-2.6-block 2009-06-11 11:10:35 -07:00
media Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
memstick block: Do away with the notion of hardsect_size 2009-05-22 23:22:54 +02:00
message fusion: fix recent kernel-doc problems 2009-06-14 13:52:01 -07:00
mfd MFD,mmc: tmio_mmc: make HCLK configurable 2009-06-13 22:42:59 +02:00
misc cb710: more cleanup for the DEBUG case. 2009-06-13 22:42:59 +02:00
mmc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc 2009-06-14 13:46:57 -07:00
mtd Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
net Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2009-06-14 13:53:22 -07:00
nubus
of microblaze: Kconfig: Enable drivers for Microblaze 2009-05-21 15:56:04 +02:00
oprofile oprofile: fix cpu buffer size 2009-05-07 17:28:59 +02:00
parisc irq: change ->set_affinity() to return status 2009-04-28 12:21:16 +02:00
parport parport_pc: clean up the modified while loops using for 2009-06-11 08:51:03 -07:00
pci trivial: pci hotplug: adding __init/__exit macros to sgi_hotplug 2009-06-12 18:01:51 +02:00
pcmcia [ARM] pxa/stargate2: add support for Compact Flash/PCMCIA 2009-06-05 10:46:32 +08:00
platform eeepc-laptop: unregister_rfkill_notifier on failure 2009-05-14 11:28:27 -04:00
pnp Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 2009-06-12 18:09:18 -07:00
power
ps3
rapidio
regulator regulator/max1586: fix V3 gain calculation integer overflow 2009-06-15 11:18:27 +01:00
rtc Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2009-06-14 13:42:43 -07:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
sbus block: implement and enforce request peek/start/fetch 2009-05-11 09:52:18 +02:00
scsi Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
serial Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
sh sh: Tie sparseirq in to Kconfig. 2009-06-11 10:33:09 +03:00
sn
spi Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2009-06-14 13:42:43 -07:00
ssb SSB: BCM47xx: Export ssb_watchdog_timer_set 2009-06-08 16:57:50 +01:00
staging trivial: fix ETIMEOUT -> ETIMEDOUT typos 2009-06-12 18:01:50 +02:00
tc
telephony
thermal thermal: fix off-by-1 error in trip point trigger condition 2009-05-14 13:40:53 -04:00
uio
usb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
uwb
video Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2009-06-14 13:42:43 -07:00
virtio virtio: enhance id_matching for virtio drivers 2009-06-12 22:16:40 +09:30
w1 trivial: Kconfig: .ko is normally not included in module names 2009-06-12 18:01:50 +02:00
watchdog Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-06-14 13:46:25 -07:00
xen PM core: rename suspend and resume functions 2009-06-12 21:32:31 +02:00
zorro
Kconfig
Makefile V4L/DVB (11561a): move media after i2c 2009-04-29 15:41:13 -03:00