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* Merge tag 'for-v3.4-rc1' of git://git.infradead.org/battery-2.6Linus Torvalds2012-03-3123-206/+11388
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull battery updates from Anton Vorontsov: "Various small bugfixes and enhancements, plus two new drivers: - A quite complex ab8500 charger driver, submitted by Arun Murthy @ ST-Ericsson; - Summit Microelectronics SMB347 Battery Charger, submitted by Bruce E Robertson and Alan Cox @ Intel. And that's all." * tag 'for-v3.4-rc1' of git://git.infradead.org/battery-2.6: (36 commits) max17042_battery: Clean up interrupt handling Revert "max8998_charger: Include linux/module.h just once" ab8500_fg: Fix some build warnings on x86_64 max17042_battery: Fix CHARGE_FULL representation. max8998_charger: Include linux/module.h just once power_supply: Convert i2c drivers to module_i2c_driver lp8727_charger: Add MODULE_DEVICE_TABLE charger-manager: Simplify charger_get_property(), get rid of a warning charger-manager: Clean up for better readability da9052-battery: Convert to use module_platform_driver da9052-battery: Fix a memory leak when unload the module da9052-battery: Add missing platform_set_drvdata ab8500: Turn unneeded global symbols into local ones ab8500_fg: Fix copy-paste error ab8500_fg: Get rid of 'struct battery_type' ab8500_fg: Get rid of 'struct v_to_cap' ab8500_btemp: Get rid of 'enum adc_therm' ab8500_charger: Convert to the new USB OTG calls ab8500-btemp: AB8500 battery temperature driver ab8500-fg: A8500 fuel gauge driver ...
| * max17042_battery: Clean up interrupt handlingRamakrishna Pallala2012-03-261-11/+7Star
| | | | | | | | | | | | | | | | | | | | | | | | | | Max17042 driver has dummy hardIRQ function which does nothing but waking the threaded handler. This patch removes the hardIRQ function and also modifies the interrupt type to falling edge. While we are there, change the macros to comply with the Data sheet. Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * Revert "max8998_charger: Include linux/module.h just once"Anton Vorontsov2012-03-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 0c7b5558ecc0a508bb7199776afbf18279595539. linux-next has the following patch: - - - - commit 13ae246db4a02971ef4f557af1f6d3e21d64b710 Author: Paul Gortmaker <paul.gortmaker@windriver.com> Date: Sun Jan 29 15:44:45 2012 -0500 includecheck: delete any duplicate instances of module.h - - - - It removes the other instance of include/module.h in this driver, and so both gets removed. This makes max8998 driver non-buildable. Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * ab8500_fg: Fix some build warnings on x86_64Anton Vorontsov2012-03-261-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Noticed the following warnings: CC drivers/power/ab8500_fg.o drivers/power/ab8500_fg.c: In function 'charge_full_store': drivers/power/ab8500_fg.c:2258:2: warning: format '%d' expects argument of type 'int', but argument 4 has type 'ssize_t' [-Wformat] drivers/power/ab8500_fg.c: In function ‘charge_now_store’: drivers/power/ab8500_fg.c:2280:2: warning: format '%d' expects argument of type 'int', but argument 4 has type 'ssize_t' [-Wformat] This patch fixes the issues. Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * max17042_battery: Fix CHARGE_FULL representation.MyungJoo Ham2012-03-261-5/+2Star
| | | | | | | | | | | | | | | | | | CHARGE_FULL should represent the full capacity of the battery in uAh. The 0x10 (FullCAP) register shows the compensated full capacity in mAh * 2; e.g., reg(0x10) = 0xBB8 means that it is 1500mAh. Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * max8998_charger: Include linux/module.h just onceJesper Juhl2012-03-261-1/+0Star
| | | | | | | | | | | | | | | | Remove the duplicate. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * power_supply: Convert i2c drivers to module_i2c_driverAxel Lin2012-03-266-74/+6Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Factor out some boilerplate code for i2c driver registration into module_i2c_driver. Signed-off-by: Axel Lin <axel.lin@gmail.com> Cc: Woogyom Kim <milo.kim@ti.com> Cc: Daniel Jeong <daniel.jeong@ti.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Cc: Peter Edwards <sweetlilmre@gmail.com> Acked-by: Milo(Woogyom) Kim <milo.kim@ti.com> Acked-by: Rhyland Klein <rklein@nvidia.com> Acked-by: Ryan Mallon <rmallon@gmail.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * lp8727_charger: Add MODULE_DEVICE_TABLEAxel Lin2012-03-261-0/+1
| | | | | | | | | | | | | | | | Add MODULE_DEVICE_TABLE to setup modalias for lp8727. Allows auto modprobing. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * charger-manager: Simplify charger_get_property(), get rid of a warningAnton Vorontsov2012-03-261-3/+3
| | | | | | | | | | | | | | | | | | | | | | This patch fixes the following warning and makes the code a little bit more simpler: CC drivers/power/charger-manager.o charger-manager.c: In function 'charger_get_property': charger-manager.c:429:15: warning: 'i' may be used uninitialized in this function [-Wuninitialized] Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * charger-manager: Clean up for better readabilityAxel Lin2012-03-261-35/+26Star
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch includes below changes: * Some code change for better readability. * Current code in probe already ensures desc->charger_regulators is not NULL. No need to check if it is NULL or not before calling regulator_bulk_free(). * Use dev_get_drvdata() in cm_suspend_prepare() and cm_suspend_complete() Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * da9052-battery: Convert to use module_platform_driverAxel Lin2012-03-261-12/+1Star
| | | | | | | | | | | | | | | | Use the module_platform_driver() macro which makes the code smaller and a bit simpler. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * da9052-battery: Fix a memory leak when unload the moduleAxel Lin2012-03-261-0/+1
| | | | | | | | | | Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * da9052-battery: Add missing platform_set_drvdataAxel Lin2012-03-261-0/+1
| | | | | | | | | | | | | | | | Add missing platform_set_drvdata in da9052_bat_probe. Otherwise, calling platform_get_drvdata in da9052_bat_remove returns NULL. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * ab8500: Turn unneeded global symbols into local onesAnton Vorontsov2012-03-263-3/+3
| | | | | | | | | | | | | | | | | | | | The patch fixes the following sparse warning: drivers/power/ab8500_charger.c:1619:6: warning: symbol 'ab8500_charger_detect_usb_type_work' was not declared. Should it be static? drivers/power/abx500_chargalg.c:1709:24: warning: symbol 'abx500_chargalg_sysfs_ops' was not declared. Should it be static? drivers/power/ab8500_fg.c:2328:24: warning: symbol 'ab8500_fg_sysfs_ops' was not declared. Should it be static? Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * ab8500_fg: Fix copy-paste errorAnton Vorontsov2012-03-261-1/+1
| | | | | | | | | | | | | | | | ab8500_fg_discharge_state_to() function should accept 'enum ab8500_fg_discharge_state' argument, not 'enum ab8500_fg_charge_state'. Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * ab8500_fg: Get rid of 'struct battery_type'Anton Vorontsov2012-03-262-60/+2Star
| | | | | | | | | | | | | | | | | | | | The struct is duplicated, plus causes the following flood: CC drivers/power/ab8500_fg.o ab8500_fg.c: In function ‘ab8500_fg_get_ext_psy_data’: b8500_fg.c:2081:8: warning: assignment from incompatible pointer type [enabled by default] Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * ab8500_fg: Get rid of 'struct v_to_cap'Anton Vorontsov2012-03-262-11/+1Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The struct is duplicated, plus when used it causes the following warnings: CHECK drivers/power/ab8500_fg.c ab8500_fg.c:818:13: warning: incorrect type in assignment (different base types) ab8500_fg.c:818:13: expected struct v_to_cap *tbl ab8500_fg.c:818:13: got struct abx500_v_to_cap *const v_to_cap_tbl CC drivers/power/ab8500_fg.o ab8500_fg.c: In function 'ab8500_fg_volt_to_capacity': ab8500_fg.c:818:6: warning: assignment from incompatible pointer type [enabled by default] Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * ab8500_btemp: Get rid of 'enum adc_therm'Anton Vorontsov2012-03-262-19/+9Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is the same as abx500_adc_therm, but when the former is used, the following warning flood pops up: drivers/power/ab8500_btemp.c: In function 'ab8500_btemp_batctrl_volt_to_res': ab8500_btemp.c:150:25: warning: comparison between 'enum abx500_adc_therm' and 'enum adc_therm' [-Wenum-compare] ab8500_btemp.c: In function 'ab8500_btemp_curr_source_enable': ab8500_btemp.c:212:25: warning: comparison between 'enum abx500_adc_therm' and 'enum adc_therm' [-Wenum-compare] ab8500_btemp.c:244:32: warning: comparison between 'enum abx500_adc_therm' and 'enum adc_therm' [-Wenum-compare] ab8500_btemp.c: In function 'ab8500_btemp_measure_temp': ab8500_btemp.c:462:25: warning: comparison between 'enum abx500_adc_therm' and 'enum adc_therm' [-Wenum-compare] ab8500_btemp.c: In function 'ab8500_btemp_id': ab8500_btemp.c:528:121: warning: comparison between 'enum abx500_adc_therm' and 'enum adc_therm' [-Wenum-compare] ab8500_btemp.c:551:25: warning: comparison between 'enum abx500_adc_therm' and 'enum adc_therm' [-Wenum-compare] This patch fixes the issue by switching the driver to use more namespace-friendly enum. Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * ab8500_charger: Convert to the new USB OTG callsAnton Vorontsov2012-03-261-12/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the following build errors: ab8500_charger.c: In function 'ab8500_charger_remove': ab8500_charger.c:2519:2: error: implicit declaration of function 'otg_unregister_notifier' [-Werror=implicit-function-declaration] ab8500_charger.c:2520:2: error: implicit declaration of function 'otg_put_transceiver' [-Werror=implicit-function-declaration] ab8500_charger.c: In function 'ab8500_charger_probe': ab8500_charger.c:2688:2: error: implicit declaration of function 'otg_get_transceiver' [-Werror=implicit-function-declaration] ab8500_charger.c:2688:10: warning: assignment makes pointer from integer without a cast [enabled by default] ab8500_charger.c:2695:2: error: implicit declaration of function 'otg_register_notifier' [-Werror=implicit-function-declaration] Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * ab8500-btemp: AB8500 battery temperature driverArun Murthy2012-03-263-0/+1136
| | | | | | | | | | | | | | | | | | | | This driver is responsible for battery detection, obtaining battery temperature and monitor the battery temperature by taking precautionary measurements when battery temperature goes beyond or below the thresholds. Signed-off-by: Arun Murthy <arun.murthy@stericsson.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * ab8500-fg: A8500 fuel gauge driverArun Murthy2012-03-261-0/+2636
| | | | | | | | | | | | | | | | | | | | | | This driver is responsible for provide battery parameters to user space via sysfs by registers to power supply class. It uses fuel gauge and gpadc driver in obtaining the battery parameters. These battery properties are used by abx500 charging algorithm driver to monitor the battery. Signed-off-by: Arun Murthy <arun.murthy@stericsson.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * ab8500-charger: AB8500 charger driverArun Murthy2012-03-262-0/+3343
| | | | | | | | | | | | | | | | | | | | | | | | | | This driver is responsible for detecting the ac/usb plugin and also includes function to enable ac/usb charging and re-kick the watchdog. It registers with the power supply class and provides information to the user space. The information include status of ac/usb charger device. This information in turn will be used by the abx500 charging algorithm driver to enable/disable and monitor charging. Signed-off-by: Arun Murthy <arun.murthy@stericsson.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * abx500-chargalg: Add abx500 charging algorithmArun Murthy2012-03-263-0/+2232
| | | | | | | | | | | | | | | | | | | | | | This is a charging algorithm driver for abx500 variants. It is the central entity for battery driver and is responsible for charging and monitoring the battery driver. It is a hardware independant driver and also monitors other abx500 power supply devices. Signed-off-by: Arun Murthy <arun.murthy@stericsson.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * Add I2C driver for Summit Microelectronics SMB347 Battery Charger.Bruce E. Robertson2012-03-264-0/+1419
| | | | | | | | | | | | | | | | | | Driver support for the Summit I²C battery charger. This is used in some Intel devices. Signed-off-by: Bruce E. Robertson <bruce.e.robertson@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * isp1704_charger: Fix probe error pathFelipe Contreras2012-03-261-0/+1
| | | | | | | | | | | | | | We enable power, but don't disable it in case of an error. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * lp8727_charger: Correct typos on the commentKim, Milo2012-03-262-2/+2
| | | | | | | | | | | | | | | | intergrated charger -> integrated charger ^ Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * lp8727_charger: Add description of platform dataKim, Milo2012-03-261-2/+13
| | | | | | | | | | | | | | Add brief description of lp8727_platform_data and lp8727_chg_param. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * lp8727_charger: Fix wrong code styleKim, Milo2012-03-261-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Definition of STATUS2 : remove space before tabs. Return code of lp8727_is_dedicated_charger(), lp8727_is_usb_charger() : remove parentheses when return is not a function. MODULE_AUTHOR section : remove space at the start of a line. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * lp8727_charger: Change i2c functionsKim, Milo2012-03-261-28/+20Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | On writing single byte via i2c, use i2c_smbus_write_byte_data() rather than i2c_smbus_write_i2c_block_data(). Name changes : lp8727_i2c_read() -> lp8727_read_bytes() lp8727_i2c_write() -> removed lp8727_i2c_read_byte() -> lp8727_read_byte() lp8727_i2c_write_byte() -> lp8727_write_byte() Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * lp8727_charger: Add error check routine on probe()Kim, Milo2012-03-261-18/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add error checking on initializing registers and interrupt handler. Initializing registers - lp8727_init_device() : check i2c error during probing the driver. Initializing interrupt handler - lp8727_intr_config() : check an error on creating the irq thread. If an error occurs on probing lp8727 driver, allocated lp8727 driver memory is freed. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * lp8727_charger: Add company name and descriptionKim, Milo2012-03-263-2/+6
| | | | | | | | | | | | | | | | Add 'Texas Instruments' because TI acquired National semiconductor at 2011. And the driver information is added in the header file. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * max17042_battery: Make it possible to instantiate driver from DTKarol Lewandowski2012-03-262-1/+67
| | | | | | | | | | | | | | | | | | Allow both device tree (preferred) and platform data-based driver instantiation. Signed-off-by: Karol Lewandowski <k.lewandowsk@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * max17042_battery: Use devm_kzalloc() where applicableKarol Lewandowski2012-03-261-5/+2Star
| | | | | | | | | | | | | | | | This allows us to simplify probe and exit function. Signed-off-by: Karol Lewandowski <k.lewandowsk@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * max17042: Change capacity property to use reported SOC registerDirk Brandewie2012-03-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The SOC register (0dh) reports the state of charge before empty compensation adjustments are applied. The max value reported by this register will decrease as the battery ages. Use the RepSOC register (06h) to report the capacity of the battery. RepSOC contains a filtered version of the battery capacity after empty compensation adjustments have been applied. Reported-by: Gary Keyes <gary.e.keyes@intel.com> Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * max17042: Add support for signalling change in SOCRamakrishna Pallala2012-03-261-0/+53
| | | | | | | | | | | | | | | | | | If platform has the alert pin attached to an interrupt source have the driver signal a change in the SOC every 1 percent. Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com> Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * max17042: Add POR init procedure from Maxim appnoteRamakrishna Pallala2012-03-262-10/+432
| | | | | | | | | | | | | | | | | | | | | | | | | | Add power on reset (POR) init procedure defined by the maxim appnote. Using this procedure ensures that the part is configured/initialized correctly at POR and improves early accuracy of the fuel gauge and informs the fuel gauge with the battery characterization parameters. The battery characterization parameters come from the maxim characterization procedure. Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com> Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
| * max17042: Align register definitions with data sheet and init appnoteDirk Brandewie2012-03-131-9/+28
| | | | | | | | | | | | | | | | | | | | | | align the register names with max17042 data sheet removing registers that are marked reserved that are not used. Add register definitions defined in the maxim initialization appnote Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com> Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
* | Merge branch 'dunlap' (Randy's Documentation patches)Linus Torvalds2012-03-3156-177/+179
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge Documentation fixes from Randy Dunlap. Fixed up several small annoyances (bad changelogs and corrupted utf8 names), I need to try to convince people to do things right. * emailed from Randy Dunlap <rdunlap@xenotime.net>: Documentation: fix typo in ABI/stable/sysfs-driver-usb-usbtmc Documentation: replace install commands with softdeps Documentation: remove references to /etc/modprobe.conf Documentation: input.txt: clarify mousedev 'cat' command syntax Documentation: CodingStyle: add inline assembly guidelines Documentation: sysrq: Crutcher Dunnavant is unavailable Documentation: mention scripts/diffconfig tool Documentation: remove 'mach' from dontdiff file
| * | Documentation: fix typo in ABI/stable/sysfs-driver-usb-usbtmcRafal Kapela2012-03-311-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Fix "the the" in ABI/stable/sysfs-driver-usb-usbtmc Signed-off-by: Rafal Kapela <raf.kapela@gmail.com> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Cc: Greg KH <gregkh@linuxfoundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | Documentation: replace install commands with softdepsLucas De Marchi2012-03-313-5/+4Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Install commands should not be used to specify soft dependencies among modules. When loading modules it's much better to have a softdep that modprobe knows what's being done than having to fork/exec another instance of modprobe to load the other module. By using a softdep user has also an option to remove the dependencies when removing the module (and if its refcount dropped to 0) Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | Documentation: remove references to /etc/modprobe.confLucas De Marchi2012-03-3150-160/+138Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Usage of /etc/modprobe.conf file was deprecated by module-init-tools and is no longer parsed by new kmod tool. References to this file are replaced in Documentation, comments and Kconfig according to the context. There are also some references to the old /etc/modules.conf from 2.4 kernels that are being removed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi> Acked-by: Takashi Iwai <tiwai@suse.de> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | Documentation: input.txt: clarify mousedev 'cat' command syntaxRandy Dunlap2012-03-311-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clarify that the 'cat' command does not include the (c, 13, 32) after it. Reported-by: Dan Jidanni Jacobson <jidanni@jidanni.org> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | Documentation: CodingStyle: add inline assembly guidelinesJosh Triplett2012-03-311-0/+29
| | | | | | | | | | | | | | | | | | Signed-off-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | Documentation: sysrq: Crutcher Dunnavant is unavailableRandy Dunlap2012-03-311-3/+2Star
| | | | | | | | | | | | | | | | | | Reported-by: Křištof Želechovski <giecrilj@stegny.2a.pl> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | Documentation: mention scripts/diffconfig toolJavi Merino2012-03-311-5/+3Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The kconfig documentation suggests using plain 'diff' to compare config files and then adds "Yes, we need something better here". Commit a717417e7f96 ("kconfig: add diffconfig utility") added what that comment was looking for. Signed-off-by: Javi Merino <javi.merino@arm.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | Documentation: remove 'mach' from dontdiff fileH Hartley Sweeten2012-03-311-1/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | The mach entry in the dontdiff file causes all the arch/arm/mach-*/include/mach directories to be skipped. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2012-03-3042-2225/+4406
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs fixes and features from Chris Mason: "We've merged in the error handling patches from SuSE. These are already shipping in the sles kernel, and they give btrfs the ability to abort transactions and go readonly on errors. It involves a lot of churn as they clarify BUG_ONs, and remove the ones we now properly deal with. Josef reworked the way our metadata interacts with the page cache. page->private now points to the btrfs extent_buffer object, which makes everything faster. He changed it so we write an whole extent buffer at a time instead of allowing individual pages to go down,, which will be important for the raid5/6 code (for the 3.5 merge window ;) Josef also made us more aggressive about dropping pages for metadata blocks that were freed due to COW. Overall, our metadata caching is much faster now. We've integrated my patch for metadata bigger than the page size. This allows metadata blocks up to 64KB in size. In practice 16K and 32K seem to work best. For workloads with lots of metadata, this cuts down the size of the extent allocation tree dramatically and fragments much less. Scrub was updated to support the larger block sizes, which ended up being a fairly large change (thanks Stefan Behrens). We also have an assortment of fixes and updates, especially to the balancing code (Ilya Dryomov), the back ref walker (Jan Schmidt) and the defragging code (Liu Bo)." Fixed up trivial conflicts in fs/btrfs/scrub.c that were just due to removal of the second argument to k[un]map_atomic() in commit 7ac687d9e047. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (75 commits) Btrfs: update the checks for mixed block groups with big metadata blocks Btrfs: update to the right index of defragment Btrfs: do not bother to defrag an extent if it is a big real extent Btrfs: add a check to decide if we should defrag the range Btrfs: fix recursive defragment with autodefrag option Btrfs: fix the mismatch of page->mapping Btrfs: fix race between direct io and autodefrag Btrfs: fix deadlock during allocating chunks Btrfs: show useful info in space reservation tracepoint Btrfs: don't use crc items bigger than 4KB Btrfs: flush out and clean up any block device pages during mount btrfs: disallow unequal data/metadata blocksize for mixed block groups Btrfs: enhance superblock sanity checks Btrfs: change scrub to support big blocks Btrfs: minor cleanup in scrub Btrfs: introduce common define for max number of mirrors Btrfs: fix infinite loop in btrfs_shrink_device() Btrfs: fix memory leak in resolver code Btrfs: allow dup for data chunks in mixed mode Btrfs: validate target profiles only if we are going to use them ...
| * | | Btrfs: update the checks for mixed block groups with big metadata blocksChris Mason2012-03-291-12/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Dave Sterba had put in patches to look for mixed data/metadata groups with metadata bigger than 4KB. But these ended up in the wrong place and it wasn't testing the feature flag correctly. This updates the tests to make sure our sizes are matching Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * | | Btrfs: update to the right index of defragmentLiu Bo2012-03-291-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When we use autodefrag, we forget to update the index which indicates the last page we've dirty. And we'll set dirty flags on a same set of pages again and again. Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
| * | | Btrfs: do not bother to defrag an extent if it is a big real extentLiu Bo2012-03-291-6/+3Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ mkfs.btrfs /dev/sdb7 $ mount /dev/sdb7 /mnt/btrfs/ -oautodefrag $ dd if=/dev/zero of=/mnt/btrfs/foobar bs=4k count=10 oflag=direct 2>/dev/null $ filefrag -v /mnt/btrfs/foobar Filesystem type is: 9123683e File size of /mnt/btrfs/foobar is 40960 (10 blocks, blocksize 4096) ext logical physical expected length flags 0 0 3072 10 eof /mnt/btrfs/foobar: 1 extent found Now we have a big real extent [0, 40960), but autodefrag will still defrag it. $ sync $ filefrag -v /mnt/btrfs/foobar Filesystem type is: 9123683e File size of /mnt/btrfs/foobar is 40960 (10 blocks, blocksize 4096) ext logical physical expected length flags 0 0 3082 10 eof /mnt/btrfs/foobar: 1 extent found So if we already find a big real extent, we're ok about that, just skip it. Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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