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* Merge branch 'x86-platform-for-linus' of ↵Linus Torvalds2012-01-112-4/+4
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/intel config: Fix the APB_TIMER selection x86/mrst: Add additional debug prints for pb_keys x86/intel config: Revamp configuration to allow for Moorestown and Medfield x86/intel/scu/ipc: Match the changes in the x86 configuration x86/apb: Fix configuration constraints x86: Fix INTEL_MID silly x86/Kconfig: Cyclone-timer depends on x86-summit x86: Reduce clock calibration time during slave cpu startup x86/config: Revamp configuration for MID devices x86/sfi: Kill the IRQ as id hack
| * Merge commit 'v3.2-rc6' into x86/platformIngo Molnar2011-12-18123-1397/+1651
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| * | x86/intel config: Revamp configuration to allow for Moorestown and MedfieldAlan Cox2011-12-181-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | This sets all up the other bits that need to be INTEL_MID specific rather than Moorestown specific. Signed-off-by: Alan Cox <alan@linux.intel.com> Link: http://lkml.kernel.org/r/20111217174318.7207.91543.stgit@bob.linux.org.uk Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86/intel/scu/ipc: Match the changes in the x86 configurationAlan Cox2011-12-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We need to depend on INTEL_MID because the SCU is Moorestown and Medfield. Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: mjg@redhat.com Link: http://lkml.kernel.org/r/20111217174215.7096.7786.stgit@bob.linux.org.uk Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | Merge branch 'next' of ↵Linus Torvalds2012-01-1110-555/+765
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: (23 commits) [CPUFREQ] EXYNOS: Removed useless headers and codes [CPUFREQ] EXYNOS: Make EXYNOS common cpufreq driver [CPUFREQ] powernow-k8: Update copyright, maintainer and documentation information [CPUFREQ] powernow-k8: Fix indexing issue [CPUFREQ] powernow-k8: Avoid Pstate MSR accesses on systems supporting CPB [CPUFREQ] update lpj only if frequency has changed [CPUFREQ] cpufreq:userspace: fix cpu_cur_freq updation [CPUFREQ] Remove wall variable from cpufreq_gov_dbs_init() [CPUFREQ] EXYNOS4210: cpufreq code is changed for stable working [CPUFREQ] EXYNOS4210: Update frequency table for cpu divider [CPUFREQ] EXYNOS4210: Remove code about bus on cpufreq [CPUFREQ] s3c64xx: Use pr_fmt() for consistent log messages cpufreq: OMAP: fixup for omap_device changes, include <linux/module.h> cpufreq: OMAP: fix freq_table leak cpufreq: OMAP: put clk if cpu_init failed cpufreq: OMAP: only supports OPP library cpufreq: OMAP: dont support !freq_table cpufreq: OMAP: deny initialization if no mpudev cpufreq: OMAP: move clk name decision to init cpufreq: OMAP: notify even with bad boot frequency ...
| * | | [CPUFREQ] EXYNOS: Removed useless headers and codesJaecheol Lee2012-01-082-20/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes no referencing header files and cleaned up useless code. Signed-off-by: Jaecheol Lee <jc.lee@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [CPUFREQ] EXYNOS: Make EXYNOS common cpufreq driverJaecheol Lee2012-01-084-317/+380
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To support various EXYNOS series SoCs commonly, added exynos common structure. exynos-cpufreq.c => EXYNOS series common cpufreq driver exynos4210-cpufreq.c => EXYNOS4210 support cpufreq driver Signed-off-by: Jaecheol Lee <jc.lee@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [CPUFREQ] powernow-k8: Update copyright, maintainer and documentation ↵Andreas Herrmann2012-01-061-7/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | information Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [CPUFREQ] powernow-k8: Fix indexing issueAndreas Herrmann2012-01-061-4/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The driver uses the pstate number from the status register as index in its table of ACPI pstates (powernow_table). This is wrong as this is not a 1-to-1 mapping. For example we can have _PSS information to just utilize Pstate 0 and Pstate 4, ie. powernow-k8: Core Performance Boosting: on. powernow-k8: 0 : pstate 0 (2200 MHz) powernow-k8: 1 : pstate 4 (1400 MHz) In this example the driver's powernow_table has just 2 entries. Using the pstate number (4) as index into this table is just plain wrong. Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [CPUFREQ] powernow-k8: Avoid Pstate MSR accesses on systems supporting CPBAndreas Herrmann2012-01-061-9/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due to CPB we can't directly map SW Pstates to Pstate MSRs. Get rid of the paranoia check. (assuming that the ACPI Pstate information is correct.) Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [CPUFREQ] update lpj only if frequency has changedAfzal Mohammed2012-01-061-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During scaling up of cpu frequency, loops_per_jiffy is updated upon invoking PRECHANGE notifier. If setting to new frequency fails in cpufreq driver, lpj is left at incorrect value. Hence update lpj only if cpu frequency is changed, i.e. upon invoking POSTCHANGE notifier. Penalty would be that during time period between changing cpu frequency & invocation of POSTCHANGE notifier, udelay(x) may not gurantee minimal delay of 'x' us for frequency scaling up operation. Perhaps a better solution would be to define CPUFREQ_ABORTCHANGE & handle accordingly, but then it would be more intrusive (using ABORTCHANGE may help drivers also; if any has registered notifier and expect POST for a PRECHANGE, their needs can be taken care using ABORT) Signed-off-by: Afzal Mohammed <afzal@ti.com> Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [CPUFREQ] cpufreq:userspace: fix cpu_cur_freq updationAfzal Mohammed2012-01-061-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CPU frequency is guranteed to be changed on notifier callback with CPUFREQ_POSTCHANGE. Notifier callback with CPUFREQ_PRECHANGE does not gurantee a change in frequency; after it, if cpufreq driver is unable to change CPU to new frequency. This results in wrong information being fed to user (if setting CPU frequency fails) upon doing like, cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed Hence in userspace governer update cpu_cur_freq only if notifier has been called with POSTCHANGE. Signed-off-by: Afzal Mohammed <afzal@ti.com> Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [CPUFREQ] Remove wall variable from cpufreq_gov_dbs_init()Kamalesh Babulal2011-12-091-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CPUFREQ Remove wall variable from cpufreq_gov_dbs_init() Remove wall variable from cpufreq_gov_dbs_init() as get_cpu_idle_time_us() no longer updates the last_update_time unconditionally. Passing non-NULL last_update_time address will result in accounting additional idle time with update_ts_time_stats() before returning idle_sleeptime. Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Dave Jones <davej@redhat.com> -- drivers/cpufreq/cpufreq_ondemand.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-)
| * | | [CPUFREQ] EXYNOS4210: cpufreq code is changed for stable workingJaecheol Lee2011-12-091-36/+65
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is modify code for stable working 1. Remove unused register access code 2. Change sequence for frequency changing Signed-off-by: Jaecheol Lee <jc.lee@samsung.com> Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com> Signed-off-by: Jongpill Lee <boyko.lee@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [CPUFREQ] EXYNOS4210: Update frequency table for cpu dividerJaecheol Lee2011-12-091-28/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is changes frequency table for cpu divider for stable frequency. Signed-off-by: Jaecheol Lee <jc.lee@samsung.com> Signed-off-by: Jongpill Lee <boyko.lee@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [CPUFREQ] EXYNOS4210: Remove code about bus on cpufreqJaecheol Lee2011-12-091-173/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes code for bus on cpufreq because the code for bus frequency changing moves to busfreq driver. So code about bus on cpufreq is not necessary. Signed-off-by: Jaecheol Lee <jc.lee@samsung.com> Signed-off-by: Jongpill Lee <boyko.lee@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Dave Jones <davej@redhat.com>
| * | | [CPUFREQ] s3c64xx: Use pr_fmt() for consistent log messagesMark Brown2011-12-091-13/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | They're already consistent but it saves remembering to do so. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Dave Jones <davej@redhat.com>
| * | | Merge branch 'for_3.3/omap-cpufreq' of ↵Dave Jones2011-12-022-0/+275
| |\ \ \ | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into next
| | * | | cpufreq: OMAP: fixup for omap_device changes, include <linux/module.h>Kevin Hilman2011-11-101-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Minor fixups to work starting with v3.2: - use the new omap_device API for getting a device by name. - need to include <linux/module.h> Signed-off-by: Kevin Hilman <khilman@ti.com>
| | * | | cpufreq: OMAP: fix freq_table leakNishanth Menon2011-11-081-5/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We use a single frequency table for multiple CPUs. But, with OMAP4, since we have multiple CPUs, the cpu_init call for CPU1 causes freq_table previously allocated for CPU0 to be overwritten. In addition, we dont free the table on exit path. We solve this by maintaining an atomic type counter to ensure just a single table exists at a given time. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
| | * | | cpufreq: OMAP: put clk if cpu_init failedNishanth Menon2011-11-081-3/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Release the mpu_clk in fail paths. Reported-by: Todd Poynor <toddpoynor@google.com> Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
| | * | | cpufreq: OMAP: only supports OPP libraryNishanth Menon2011-11-081-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | OMAP2 is the only family using clk_[init|exit]_cpufreq_table, however, the cpufreq code does not currently use clk_init_cpufreq_table. As a result, it is unusuable for OMAP2 and only usable only on platforms using OPP library. Remove the unbalanced clk_exit_cpufreq_table(). Any platforms where OPPs are not availble will fail on init because a freq table will not be properly initialized. Signed-off-by: Nishanth Menon <nm@ti.com> [khilman@ti.com: changelog edits, and graceful failure mode changes] Signed-off-by: Kevin Hilman <khilman@ti.com>
| | * | | cpufreq: OMAP: dont support !freq_tableNishanth Menon2011-11-081-34/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | OMAP2+ all have frequency tables, hence the hacks we had for older silicon do not need to be carried forward. As part of this change, use cpufreq_frequency_table_target to find the best match for frequency requested. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
| | * | | cpufreq: OMAP: deny initialization if no mpudevNishanth Menon2011-11-081-7/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | if we do not have mpu_dev we normally fail in cpu_init. It is better to fail driver registration if the devices are not available. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
| | * | | cpufreq: OMAP: move clk name decision to initNishanth Menon2011-11-081-7/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clk name does'nt need to dynamically detected during clk init. move them off to driver initialization, if we dont have a clk name, there is no point in registering the driver anyways. The actual clk get and put is left at cpu_init and exit functions. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
| | * | | cpufreq: OMAP: notify even with bad boot frequencyColin Cross2011-11-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sometimes, bootloaders starts up with a frequency which is not in the OPP table. At cpu_init, policy->cur contains the frequency we pick at boot. It is possible that system might have fixed it's boot frequency later on as part of power initialization. After this condition, the first call to omap_target results in the following: omap_getspeed(actual device frequency) != policy->cur(frequency that cpufreq thinks that the system is at), and it is possible that freqs.old == freqs.new (because the governor requested a scale down). We exit without triggering the notifiers in the current code, which does'nt let code which depends on cpufreq_notify_transition to have accurate information as to what the system frequency is. Instead, we do a normal transition if policy->cur is wrong, then, freqs.old will be the actual cpu frequency, freqs.new will be the actual new cpu frequency and all required notifiers have the accurate information. Acked-by: Nishanth Menon <nm@ti.com> Signed-off-by: Colin Cross <ccross@google.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
| | * | | cpufreq: OMAP: Enable all CPUs in shared policy maskTodd Poynor2011-11-081-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enable all CPUs in the shared policy in the CPU init callback. Otherwise, the governor CPUFREQ_GOV_START event is invoked with a policy that only includes the first CPU, leaving other CPUs uninitialized by the governor. Signed-off-by: Todd Poynor <toddpoynor@google.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
| | * | | cpufreq: OMAP: Add SMP support for OMAP4+Russell King2011-11-081-10/+71
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On OMAP SMP configuartion, both processors share the voltage and clock. So both CPUs needs to be scaled together and hence needs software co-ordination. Also, update lpj with reference value to avoid progressive error. Adjust _both_ the per-cpu loops_per_jiffy and global lpj. Calibrate them with with reference to the initial values to avoid a progressively bigger and bigger error in the value over time. While at this, re-use the notifiers for UP/SMP since on UP machine or UP_ON_SMP policy->cpus mask would contain only the boot CPU. Based on initial SMP support by Santosh Shilimkar. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> [khilman@ti.com: due to overlap/rework, combined original Santosh patch and Russell's rework] Signed-off-by: Kevin Hilman <khilman@ti.com>
| | * | | cpufreq: OMAP: cleanup for multi-SoC support, move into drivers/cpufreqSantosh Shilimkar2011-11-082-0/+189
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move OMAP cpufreq driver from arch/arm/mach-omap2 into drivers/cpufreq, along with a few cleanups: - generalize support for better handling of different SoCs in the OMAP - use OPP layer instead of OMAP clock internals for frequency table init Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> [khilman@ti.com: move to drivers] Signed-off-by: Kevin Hilman <khilman@ti.com>
* | | | | Merge git://git.infradead.org/battery-2.6Linus Torvalds2012-01-1135-728/+3057
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/battery-2.6: (68 commits) power_supply: Mark da9052 driver as broken power_supply: Drop usage of nowarn variant of sysfs_create_link() s3c_adc_battery: Average over more than one adc sample power_supply: Add DA9052 battery driver isp1704_charger: Fix missing check jz4740-battery: Fix signedness bug power_supply: Assume mains power by default sbs-battery: Fix devicetree match table ARM: rx51: Add bq27200 i2c board info sbs-battery: Change power supply name devicetree-bindings: Propagate bq20z75->sbs rename to dt bindings devicetree-bindings: Add vendor entry for Smart Battery Systems sbs-battery: Rename internals to new name bq20z75: Rename to sbs-battery wm97xx_battery: Use DEFINE_MUTEX() for work_lock max8997_charger: Remove duplicate module.h lp8727_charger: Some minor fixes for the header lp8727_charger: Add header file power_supply: Convert drivers/power/* to use module_platform_driver() power_supply: Add "unknown" in power supply type ...
| * \ \ \ \ Merge git://git.infradead.org/users/cbou/battery-urgentAnton Vorontsov2012-01-10190-1577/+1848
| |\ \ \ \ \
| | * | | | | collie_battery: Get rid of irq_to_gpio usageJochen Friedrich2011-11-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since 9d08d5d77a355510c2f5657c86b0a4b25acfe72c, irq_to_gpio() is no longer available but still in use by collie_battery.c. As it's just for a debug message, just get rid of this call. Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | power_supply: Mark da9052 driver as brokenAnton Vorontsov2012-01-101-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are some problems with MFD part of this driver, so the driver fails to build: drivers/power/da9052-battery.c: In function 'da9052_bat_read_volt': drivers/power/da9052-battery.c:293:2: error: implicit declaration of function 'da9052_adc_manual_read' [-Werror=implicit-function-declaration] drivers/power/da9052-battery.c: In function 'da9052_bat_check_presence': drivers/power/da9052-battery.c:306:2: error: implicit declaration of function 'da9052_adc_read_temp' [-Werror=implicit-function-declaration] drivers/power/da9052-battery.c: In function 'da9052_determine_vc_tbl_index': drivers/power/da9052-battery.c:348:1: warning: control reaches end of non-void function [-Wreturn-type] cc1: some warnings being treated as errors The fix for MFD part will probably go post -rc1 (or in the next merge window), so let's disable the driver for now. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | power_supply: Drop usage of nowarn variant of sysfs_create_link()Anton Vorontsov2012-01-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The function is not exported to modules, plus we do want to catch anyone who tries to create complex hierarchy (in that case we'd need to change 'powers' symlink to a directory, probably under a different name to not break ABI). This patch fixes the following build error: ERROR: "sysfs_create_link_nowarn" [drivers/power/power_supply.ko] undefined! Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | s3c_adc_battery: Average over more than one adc sampleHeiko Stübner2012-01-061-3/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some sources for adc battery information provide only inaccurate results where the read value differs from the real value with positive and negative offsets. For such sources it can be more accurate to collect two or more value sample and use the average of all collected values. This patch adds pdata options volt_samples, current_samples and backup_volt_samples to specifiy the number of samples to collect, reads the specified number of samples and calculates the average of those. For unset sample-number-values a default of 1 is assumed. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | power_supply: Add DA9052 battery driverAshish Jangam2012-01-063-0/+672
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Driver for DA9052 battery charger. This driver depends on DA9052 MFD core dirver for definitions and methods. This patch is functionally tested on Samsung SMDKV6410. Signed-off-by: David Dajun Chen <dchen@diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | isp1704_charger: Fix missing checkFelipe Contreras2012-01-061-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A segfault happens if there's no board information. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Acked-by: Heikki Krogerus <krohei@gmail.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | jz4740-battery: Fix signedness bugAxel Lin2012-01-061-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | wait_for_completion_interruptible_timeout() may return negative value. In this case, checking if (t > 0) will return true if t is unsigned. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | power_supply: Assume mains power by defaultJean Delvare2012-01-061-1/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If no power class device is found in power_supply_is_system_supplied(), the function currently returns 0, which basically means that the system is supposed to be running on battery. In practice, mobile devices tend to always implement at least one power class device and more often two (battery and AC adapter). Systems with no registered power class devices are more likely to be desktop systems, where the system is always powered by mains. So, change the default return value of power_supply_is_system_supplied() from 0 (running on battery) to 1 (running on mains.) Signed-off-by: Jean Delvare <jdelvare@suse.de> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Cc: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | sbs-battery: Fix devicetree match tableOlof Johansson2012-01-061-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It should be an of module table, not i2c. Signed-off-by: Olof Johansson <olof@lixom.net> Acked-by: Rhyland Klein <rklein@nvidia.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | sbs-battery: Change power supply nameRhyland Klein2012-01-061-3/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The power supply name used to be fixed as "battery". This change allows for multiple batteries by generating the name rather than using a fixed value. Signed-off-by: Rhyland Klein <rklein@nvidia.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | sbs-battery: Rename internals to new nameRhyland Klein2012-01-061-219/+204
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that this driver is named more generally, this change updates the internal variables, defines and functions to use this new name. Signed-off-by: Rhyland Klein <rklein@nvidia.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | bq20z75: Rename to sbs-batteryRhyland Klein2012-01-063-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This driver for the bq20z75 implemented the register spec defined by the SBS standard. As this is not unique to this the TI part this was originally written for, we can generalize this driver to show its support for any SBS compliant battery. Signed-off-by: Rhyland Klein <rklein@nvidia.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | wm97xx_battery: Use DEFINE_MUTEX() for work_lockAxel Lin2012-01-061-4/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | work_lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init(). This patch also removes an unused bat_lock mutex. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | max8997_charger: Remove duplicate module.hJonghwan Choi2012-01-061-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | module.h was included twice. Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com> Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | power_supply: Convert drivers/power/* to use module_platform_driver()Axel Lin2012-01-0419-219/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch converts the drivers in drivers/power/* to use the module_platform_driver() macro which makes the code smaller and a bit simpler. Cc: Mike Rapoport <mike@compulab.co.il> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Nithish Mahalingam <nithish.mahalingam@intel.com> Cc: MyungJoo Ham <myungjoo.ham@samsung.com> Cc: Haojian Zhuang <haojian.zhuang@marvell.com> Cc: Balaji Rao <balajirrao@openmoko.org> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Clifton Barnes <cabarnes@indesign-llc.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
| * | | | | | Merge branch 'power-supply-scope' of ↵Anton Vorontsov2012-01-045826-1031747/+1161629
| |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen
| | * | | | | | power_supply: add "powers" links to self-powered HID devicesJeremy Fitzhardinge2011-12-092-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the relationship between the Wiimote and Wacom self-powered HID devices and their power supply explicit by adding a "powers" link. Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Jiri Kosina <jkosina@suse.cz>
| | * | | | | | power_supply: add scope properties to some self-powered HID devicesJeremy Fitzhardinge2011-12-092-3/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Wacom and Wiimote HID drivers register power supplies for themselves to indicate their battery levels. Make those power supplies device scope. Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Jiri Kosina <jkosina@suse.cz>
| | * | | | | | power_supply: allow a power supply to explicitly point to powered deviceJeremy Fitzhardinge2011-12-091-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a power supply has a scope of "Device", then allow the power supply to indicate what device it actually powers. This is represented in the power supply's sysfs directory as a symlink named "powers", which points to the sysfs directory of the powered device. If the device has children, then the sub-devices are also powered by the same power supply. Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Richard Hughes <richard@hughsie.com>
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-10 22:57:48 +0000