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[PATCH] distclean: Remove generated .dtb files

by Dirk Behme

The patch 'arm/dt: Add dtb make rule' adds support to create a .dtb file. But this is never removed afterwards. Remove the generated .dtb file if 'distclean' is called. Signed-off-by: Dirk Behme <dirk.behme(a)de.bosch.com> CC: Rob Herring <rob.herring(a)calxeda.com> CC: Shawn Guo <shawn.guo(a)freescale.com> CC: Jason Liu <jason.hui(a)linaro.org> CC: Grant Likely <grant.likely(a)secretlab.ca> --- arch/arm/boot/Makefile | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index 1cd9b0a..08f0d35 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -71,6 +71,8 @@ $(obj)/%.dtb: $(src)/dts/%.dts $(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y)) +clean-files := *.dtb + quiet_cmd_uimage = UIMAGE $@ cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \ -C none -a $(LOADADDR) -e $(STARTADDR) \ -- 1.7.0.4

13 years, 6 months

[Patch 04/11]Power: DA9052 battery driver v4

by Ashish Jangam

Driver for DA9052 battery charger. This driver depends on DA9052 MFD core dirver for definitions and methods. Signed-off-by: David Dajun Chen <dchen(a)diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam(a)kpitcummins.com> --- Changes since v3 - Included power_supply.h file - Corrected the definition of DA9052_BAT_THRESHOLD macro - Changed definition of charger_type_enum - Added API da9052_battery_read_end_current - Added API da9052_battery_check_status - Changed the way of handling the interrupts in da9052_bat_irq Changes since v2 - Correct code styling for inline functions - Remove averaging algorithm - Set use_for_apm thru board specific parameter --- drivers/power/Kconfig | 7 + drivers/power/Makefile | 1 + drivers/power/da9052-battery.c | 611 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 619 insertions(+), 0 deletions(-) create mode 100755 drivers/power/da9052-battery.c diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 57de051..c041712 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -149,6 +149,13 @@ config BATTERY_DA9030 Say Y here to enable support for batteries charger integrated into DA9030 PMIC. +config BATTERY_DA9052 + tristate "Dialog DA9052 Battery" + depends on PMIC_DA9052 + help + Say Y here to enable support for batteries charger integrated into + DA9052 PMIC. + config BATTERY_MAX17040 tristate "Maxim MAX17040 Fuel Gauge" depends on I2C diff --git a/drivers/power/Makefile b/drivers/power/Makefile index b4af13d..c570e20 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_BATTERY_WM97XX) += wm97xx_battery.o obj-$(CONFIG_BATTERY_BQ20Z75) += bq20z75.o obj-$(CONFIG_BATTERY_BQ27x00) += bq27x00_battery.o obj-$(CONFIG_BATTERY_DA9030) += da9030_battery.o +obj-$(CONFIG_BATTERY_DA9052) += da9052-battery.o obj-$(CONFIG_BATTERY_MAX17040) += max17040_battery.o obj-$(CONFIG_BATTERY_MAX17042) += max17042_battery.o obj-$(CONFIG_BATTERY_Z2) += z2_battery.o diff --git a/drivers/power/da9052-battery.c b/drivers/power/da9052-battery.c new file mode 100755 index 0000000..d9096df --- /dev/null +++ b/drivers/power/da9052-battery.c @@ -0,0 +1,611 @@ +/* + * Batttery Driver for Dialog DA9052 PMICs + * + * Copyright(c) 2011 Dialog Semiconductor Ltd. + + * Author: David Dajun Chen <dchen(a)diasemi.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <linux/delay.h> +#include <linux/freezer.h> +#include <linux/fs.h> +#include <linux/jiffies.h> +#include <linux/module.h> +#include <linux/timer.h> +#include <linux/uaccess.h> +#include <linux/platform_device.h> +#include <linux/power_supply.h> + +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/pdata.h> +#include <linux/mfd/da9052/reg.h> + +/* STATIC CONFIGURATION */ +#define DA9052_BAT_CUTOFF_VOLT 2800 +#define DA9052_BAT_THRESHOLD 62000 +#define DA9052_BAT_CAPACITY_LIMIT_LOW 4 +#define DA9052_AVERAGE_SIZE 4 +#define DA9052_LOOK_UP_TABLE_SIZE 68 +#define DA9052_NO_OF_LOOKUP_TABLE 3 + +enum charger_type_enum { + DA9052_NOCHARGER = 1, + DA9052_CHARGER, +}; + +static const u16 temperature_lookup_ref[3] = {10, 25, 40}; +static u32 const vbat_vs_capacity_look_up[3][68][2] = { + /* For temperature 10 degree celisus*/ + { + {4082, 100}, {4036, 98}, + {4020, 96}, {4008, 95}, + {3997, 93}, {3983, 91}, + {3964, 90}, {3943, 88}, + {3926, 87}, {3912, 85}, + {3900, 84}, {3890, 82}, + {3881, 80}, {3873, 79}, + {3865, 77}, {3857, 76}, + {3848, 74}, {3839, 73}, + {3829, 71}, {3820, 70}, + {3811, 68}, {3802, 67}, + {3794, 65}, {3785, 64}, + {3778, 62}, {3770, 61}, + {3763, 59}, {3756, 58}, + {3750, 56}, {3744, 55}, + {3738, 53}, {3732, 52}, + {3727, 50}, {3722, 49}, + {3717, 47}, {3712, 46}, + {3708, 44}, {3703, 43}, + {3700, 41}, {3696, 40}, + {3693, 38}, {3691, 37}, + {3688, 35}, {3686, 34}, + {3683, 32}, {3681, 31}, + {3678, 29}, {3675, 28}, + {3672, 26}, {3669, 25}, + {3665, 23}, {3661, 22}, + {3656, 21}, {3651, 19}, + {3645, 18}, {3639, 16}, + {3631, 15}, {3622, 13}, + {3611, 12}, {3600, 10}, + {3587, 9}, {3572, 7}, + {3548, 6}, {3503, 5}, + {3420, 3}, {3268, 2}, + {2992, 1}, {2746, 0} + }, + /* For temperature 25 degree celisus */ + { + {4102, 100}, {4065, 98}, + {4048, 96}, {4034, 95}, + {4021, 93}, {4011, 92}, + {4001, 90}, {3986, 88}, + {3968, 87}, {3952, 85}, + {3938, 84}, {3926, 82}, + {3916, 81}, {3908, 79}, + {3900, 77}, {3892, 76}, + {3883, 74}, {3874, 73}, + {3864, 71}, {3855, 70}, + {3846, 68}, {3836, 67}, + {3827, 65}, {3819, 64}, + {3810, 62}, {3801, 61}, + {3793, 59}, {3786, 58}, + {3778, 56}, {3772, 55}, + {3765, 53}, {3759, 52}, + {3754, 50}, {3748, 49}, + {3743, 47}, {3738, 46}, + {3733, 44}, {3728, 43}, + {3724, 41}, {3720, 40}, + {3716, 38}, {3712, 37}, + {3709, 35}, {3706, 34}, + {3703, 33}, {3701, 31}, + {3698, 30}, {3696, 28}, + {3693, 27}, {3690, 25}, + {3687, 24}, {3683, 22}, + {3680, 21}, {3675, 19}, + {3671, 18}, {3666, 17}, + {3660, 15}, {3654, 14}, + {3647, 12}, {3639, 11}, + {3630, 9}, {3621, 8}, + {3613, 6}, {3606, 5}, + {3597, 4}, {3582, 2}, + {3546, 1}, {2747, 0} + }, + /* For temperature 40 degree celisus*/ + { + {4114, 100}, {4081, 98}, + {4065, 96}, {4050, 95}, + {4036, 93}, {4024, 92}, + {4013, 90}, {4002, 88}, + {3990, 87}, {3976, 85}, + {3962, 84}, {3950, 82}, + {3939, 81}, {3930, 79}, + {3921, 77}, {3912, 76}, + {3902, 74}, {3893, 73}, + {3883, 71}, {3874, 70}, + {3865, 68}, {3856, 67}, + {3847, 65}, {3838, 64}, + {3829, 62}, {3820, 61}, + {3812, 59}, {3803, 58}, + {3795, 56}, {3787, 55}, + {3780, 53}, {3773, 52}, + {3767, 50}, {3761, 49}, + {3756, 47}, {3751, 46}, + {3746, 44}, {3741, 43}, + {3736, 41}, {3732, 40}, + {3728, 38}, {3724, 37}, + {3720, 35}, {3716, 34}, + {3713, 33}, {3710, 31}, + {3707, 30}, {3704, 28}, + {3701, 27}, {3698, 25}, + {3695, 24}, {3691, 22}, + {3686, 21}, {3681, 19}, + {3676, 18}, {3671, 17}, + {3666, 15}, {3661, 14}, + {3655, 12}, {3648, 11}, + {3640, 9}, {3632, 8}, + {3622, 6}, {3616, 5}, + {3611, 4}, {3604, 2}, + {3594, 1}, {2747, 0} + } +}; + +struct da9052_battery { + struct da9052 *da9052; + struct power_supply psy; + int charger_type; + int status; + int health; +}; + +static inline int volt_reg_to_mV(int value) +{ + return ((value * 1000) / 512) + 2500; +} + +static inline int ichg_reg_to_mA(int value) +{ + return (value * 3900) / 1000; +} + +static int da9052_battery_read_end_current(struct da9052_battery *battery, + int *current_mA) +{ + int ret; + + if (battery->status == POWER_SUPPLY_STATUS_DISCHARGING) + return -EINVAL; + + ret = da9052_reg_read(battery->da9052, DA9052_ICHG_END_REG); + if (ret < 0) + return ret; + + *current_mA = ichg_reg_to_mA(ret & DA9052_ICHGEND_ICHGEND); + + return 0; +} + +static int da9052_battery_read_current(struct da9052_battery *battery, + int *current_mA) +{ + int ret; + + if (battery->status == POWER_SUPPLY_STATUS_DISCHARGING) + return -EINVAL; + + ret = da9052_reg_read(battery->da9052, DA9052_ICHG_AV_REG); + if (ret < 0) + return ret; + + *current_mA = ichg_reg_to_mA(ret & DA9052_ICHGAV_ICHGAV); + + return 0; +} + +static int da9052_battery_check_status(struct da9052_battery *battery, + int *status) +{ + uint8_t v[2] = {0, 0}; + uint8_t bat_status, chg_end; + int ret, chg_current, chg_end_current; + + ret = da9052_group_read(battery->da9052, DA9052_STATUS_A_REG, 2, v); + if (ret < 0) + return ret; + + bat_status = v[0]; + chg_end = v[1]; + + /* Preference to WALL(DCIN) charger unit */ + if (((bat_status & DA9052_STATUSA_DCINSEL) && + (bat_status & DA9052_STATUSA_DCINDET)) + || + ((bat_status & DA9052_STATUSA_VBUSSEL) && + (bat_status & DA9052_STATUSA_VBUSDET)) + ) { + battery->charger_type = DA9052_CHARGER; + + /* If charging end flag is set and Charging current is greater + * than charging end limit then battery is charging + */ + if ((chg_end & DA9052_STATUSB_CHGEND) != 0) { + ret = da9052_battery_read_current(battery, + &chg_current); + if (ret < 0) + return ret; + ret = da9052_battery_read_end_current(battery, + &chg_end_current); + if (ret < 0) + return ret; + + if (chg_current >= chg_end_current) + battery->status = POWER_SUPPLY_STATUS_CHARGING; + else + battery->status = + POWER_SUPPLY_STATUS_NOT_CHARGING; + } + /* If Charging end flag is cleared then battery is charging */ + else + battery->status = POWER_SUPPLY_STATUS_CHARGING; + } else if (bat_status & DA9052_STATUSA_DCINDET || + bat_status & DA9052_STATUSA_VBUSDET) { + battery->charger_type = DA9052_CHARGER; + battery->status = POWER_SUPPLY_STATUS_NOT_CHARGING; + } else { + battery->charger_type = DA9052_NOCHARGER; + battery->status = POWER_SUPPLY_STATUS_DISCHARGING; + } + + if (status != NULL) + *status = battery->status; + return 0; +} + +static int da9052_battery_read_volt(struct da9052_battery *battery, + int *volt_mV) +{ + int voltage; + + voltage = da9052_adc_manual_read(battery->da9052, + DA9052_ADC_MAN_MUXSEL_VBAT); + if (voltage < 0) + return voltage; + + *volt_mV = volt_reg_to_mV(voltage); + + return 0; +} + +static int da9052_battery_check_presence(struct da9052_battery *battery, + int *illegal) +{ + int bat_temp; + + bat_temp = da9052_adc_temperature_read(battery->da9052); + if (bat_temp < 0) + return bat_temp; + + if (bat_temp > DA9052_BAT_THRESHOLD) + *illegal = 1; + else + *illegal = 0; + + return 0; +} + +static int interpolated(int vbat_lower, int vbat_upper, int level_lower, + int level_upper, int bat_voltage) +{ + int temp; + + temp = ((level_upper - level_lower) * 1000) / (vbat_upper - vbat_lower); + temp = level_lower + (((bat_voltage - vbat_lower) * temp) / 1000); + + return temp; +} + +unsigned char select_temperature(unsigned char temp_index, int bat_temperature) +{ + int temp_temperature; + + temp_temperature = (temperature_lookup_ref[temp_index] + + temperature_lookup_ref[temp_index + 1]) / 2; + + if (bat_temperature >= temp_temperature) { + temp_index += 1; + return temp_index; + } else + return temp_index; +} + +static int da9052_battery_read_capacity(struct da9052_battery *battery, + int *capacity) +{ + int bat_temperature, bat_voltage; + int vbat_lower, vbat_upper, level_upper, level_lower; + int ret, flag, index, access_index = 0; + + ret = da9052_battery_read_volt(battery, &bat_voltage); + if (ret < 0) + return ret; + + bat_temperature = da9052_adc_temperature_read(battery->da9052); + if (bat_temperature < 0) + return bat_temperature; + + for (index = 0; index < (DA9052_NO_OF_LOOKUP_TABLE - 1); index++) { + if (bat_temperature <= temperature_lookup_ref[0]) { + access_index = 0; + break; + } else if (bat_temperature > + temperature_lookup_ref[DA9052_NO_OF_LOOKUP_TABLE]) { + access_index = DA9052_NO_OF_LOOKUP_TABLE - 1; + break; + } else if ((bat_temperature >= temperature_lookup_ref[index]) && + (bat_temperature >= temperature_lookup_ref[index + 1] + )) { + access_index = select_temperature(index, + bat_temperature); + break; + } + } + if (bat_voltage >= vbat_vs_capacity_look_up[access_index][0][0]) { + *capacity = 100; + return 0; + } + if (bat_voltage <= vbat_vs_capacity_look_up[access_index] + [DA9052_LOOK_UP_TABLE_SIZE - 1][0]) { + *capacity = 0; + return 0; + } + flag = 0; + + for (index = 0; index < (DA9052_LOOK_UP_TABLE_SIZE-1); index++) { + if ((bat_voltage <= + vbat_vs_capacity_look_up[access_index][index][0]) && + (bat_voltage >= + vbat_vs_capacity_look_up[access_index][index + 1][0])) { + vbat_upper = + vbat_vs_capacity_look_up[access_index][index][0]; + vbat_lower = + vbat_vs_capacity_look_up[access_index][index + 1][0]; + level_upper = + vbat_vs_capacity_look_up[access_index][index][1]; + level_lower = + vbat_vs_capacity_look_up[access_index][index + 1][1]; + flag = 1; + break; + } + } + if (!flag) + return -EIO; + + *capacity = interpolated(vbat_lower, vbat_upper, level_lower, + level_upper, bat_voltage); + + return 0; +} + +static int da9052_battery_check_health(struct da9052_battery *battery, + int *health) +{ + int ret, bat_illegal, capacity; + + ret = da9052_battery_check_presence(battery, &bat_illegal); + if (ret < 0) + return ret; + + if (bat_illegal) { + battery->health = POWER_SUPPLY_HEALTH_UNKNOWN; + return 0; + } + + if (battery->health != POWER_SUPPLY_HEALTH_OVERHEAT) { + ret = da9052_battery_read_capacity(battery, &capacity); + if (ret < 0) + return ret; + if (capacity < DA9052_BAT_CAPACITY_LIMIT_LOW) + battery->health = POWER_SUPPLY_HEALTH_DEAD; + else + battery->health = POWER_SUPPLY_HEALTH_GOOD; + } + + *health = battery->health; + + return 0; +} + +static irqreturn_t da9052_bat_irq(int irq, void *data) +{ + struct da9052_battery *battery = (struct da9052_battery *)data; + + irq -= battery->da9052->irq_base; + + if (irq == DA9052_IRQ_CHGEND) + battery->status = POWER_SUPPLY_STATUS_FULL; + else + da9052_battery_check_status(battery, NULL); + + if (irq == DA9052_IRQ_CHGEND || irq == DA9052_IRQ_DCIN || + irq == DA9052_IRQ_VBUS || irq == DA9052_IRQ_TBAT) { + power_supply_changed(&battery->psy); + } + + return IRQ_HANDLED; +} + +static int da9052_bat_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + int ret, illegal; + struct da9052_battery *battery = container_of(psy, + struct da9052_battery, psy); + + ret = da9052_battery_check_presence(battery, &illegal); + if (ret < 0) + return ret; + + if (illegal && psp != POWER_SUPPLY_PROP_PRESENT) + return -ENODEV; + + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + ret = da9052_battery_check_status(battery, &val->intval); + break; + case POWER_SUPPLY_PROP_ONLINE: + val->intval = + (battery->charger_type == DA9052_NOCHARGER) ? 0 : 1; + break; + case POWER_SUPPLY_PROP_PRESENT: + ret = da9052_battery_check_presence(battery, &val->intval); + break; + case POWER_SUPPLY_PROP_HEALTH: + ret = da9052_battery_check_health(battery, &val->intval); + break; + case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + val->intval = DA9052_BAT_CUTOFF_VOLT * 1000; + break; + case POWER_SUPPLY_PROP_VOLTAGE_AVG: + ret = da9052_battery_read_volt(battery, &val->intval); + break; + case POWER_SUPPLY_PROP_CURRENT_AVG: + ret = da9052_battery_read_current(battery, &val->intval); + break; + case POWER_SUPPLY_PROP_CAPACITY: + ret = da9052_battery_read_capacity(battery, &val->intval); + break; + case POWER_SUPPLY_PROP_TEMP: + val->intval = da9052_adc_temperature_read(battery->da9052); + ret = val->intval; + break; + case POWER_SUPPLY_PROP_TECHNOLOGY: + val->intval = POWER_SUPPLY_TECHNOLOGY_LION; + break; + default: + return -EINVAL; + } + return ret; +} + +static enum power_supply_property da9052_bat_props[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_AVG, + POWER_SUPPLY_PROP_CURRENT_AVG, + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_TEMP, + POWER_SUPPLY_PROP_TECHNOLOGY, +}; + +static struct power_supply template_battery = { + .name = "da9052-bat", + .type = POWER_SUPPLY_TYPE_BATTERY, + .properties = da9052_bat_props, + .num_properties = ARRAY_SIZE(da9052_bat_props), + .get_property = da9052_bat_get_property, +}; + +static const char *da9052_bat_irqs[] = { + "BATT TEMP", + "DCIN DET", + "DCIN REM", + "VBUS DET", + "VBUS REM", + "CHG END", +}; + +static s32 __devinit da9052_bat_probe(struct platform_device *pdev) +{ + struct da9052_pdata *pdata; + struct da9052_battery *battery; + int ret, irq, i; + + battery = kzalloc(sizeof(struct da9052_battery), GFP_KERNEL); + if (!battery) + return -ENOMEM; + + battery->da9052 = dev_get_drvdata(pdev->dev.parent); + pdata = battery->da9052->dev->platform_data; + + battery->psy = template_battery; + if (pdata != NULL && pdata->use_for_apm) + battery->psy.use_for_apm = pdata->use_for_apm; + battery->charger_type = DA9052_NOCHARGER; + battery->status = POWER_SUPPLY_STATUS_UNKNOWN; + battery->health = POWER_SUPPLY_HEALTH_UNKNOWN; + + for (i = 0; i < ARRAY_SIZE(da9052_bat_irqs); i++) { + irq = platform_get_irq_byname(pdev, da9052_bat_irqs[i]); + ret = request_threaded_irq(battery->da9052->irq_base + irq, + NULL, da9052_bat_irq, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + da9052_bat_irqs[i], battery); + if (ret != 0) { + dev_err(battery->da9052->dev, + "DA9052 failed to request %s IRQ %d: %d\n", + da9052_bat_irqs[i], irq, ret); + goto err; + } + } + + ret = power_supply_register(&pdev->dev, &battery->psy); + if (ret) + goto err; + + return 0; + +err: + for (; i >= 0; i--) { + irq = platform_get_irq_byname(pdev, da9052_bat_irqs[i]); + free_irq(irq, battery); + } + kfree(battery); + return ret; +} +static int __devexit da9052_bat_remove(struct platform_device *pdev) +{ + int i, irq; + struct da9052_battery *battery = platform_get_drvdata(pdev); + + for (i = 0; i < ARRAY_SIZE(da9052_bat_irqs); i++) { + irq = platform_get_irq_byname(pdev, da9052_bat_irqs[i]); + free_irq(irq, battery); + } + power_supply_unregister(&battery->psy); + + return 0; +} + +static struct platform_driver da9052_bat_driver = { + .probe = da9052_bat_probe, + .remove = __devexit_p(da9052_bat_remove), + .driver = { + .name = "da9052-bat", + .owner = THIS_MODULE, + }, +}; + +static int __init da9052_bat_init(void) +{ + return platform_driver_register(&da9052_bat_driver); +} +module_init(da9052_bat_init); + +static void __exit da9052_bat_exit(void) +{ + platform_driver_unregister(&da9052_bat_driver); +} +module_exit(da9052_bat_exit); + +MODULE_DESCRIPTION("DA9052 BAT Device Driver"); +MODULE_AUTHOR("David Dajun Chen <dchen(a)diasemi.com>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:da9052-bat");

13 years, 6 months

Lava testing not specific to a pack/board/release

by David Gilbert

Hi, I've got a pthread test that is the fall out of a bug fix which is a good test of kernel and libc and would like to add it into Lava. I'm told that I currently have to pick a hardware pack and image - but for this case what I really want to do is to create a test that can be used as a regression test that gets run on whatever the latest kernel is on any of a set of platforms (basically anything of Panda speed or similar/faster). mwhudson suggested I posted that requirement here. Thoughts? Dave

13 years, 6 months

ELF Prelinking and GNU style hash support for Android: patches are available

by Jim Huang

2011/7/25 Jim Huang <jserv(a)0xlab.org>: [...] > Recently, Kito Cheng (in Cc. list) is improving the support of Android > prelink, and hopefully we would submit patches to AOSP soon. It is pitty that we can not submit to AOSP still. However, the patches are already public: https://gitorious.org/+0xlab Please check team activity during Oct 28 to Nov 6: bionic/ GNU-style hash support for linker build/ Update link script for gnu-sytle hash Build library and executable with gnu-sytle hash table GNU-sytle hash support for soslim GNU-sytle hash support for apriori Build with partial global prelink Support partial global prelink for apriori Build with prelinking executable Support prelink executable with '-e/--prelink-executable' flag Reorder DT_NEEDED entries in apriori Build with incremental global prelink Support incremental global prelink mode for apriori external/elfcopy/ Basic GNU-sytle hash support for elfcopy external/elfutil/ Add SHT_GNU_HASH, DT_GNU_HASH in libelf/elf.h Sincerely, Jim Huang (jserv) http://0xlab.org/

13 years, 6 months

Re: ANN: 0xbench, integrated Android benchmark suite

by Jim Huang

Hello list, Recently, we already released 0xbench version 1.1.5, and you can get the latest binary/source here: http://code.google.com/p/0xbench/downloads/list http://gitorious.org/0xbench Changes since version 1.1.1: - Add SunSpider JavaScript benchmark - Allow customized result output path - Support dashboard bundle format used in Linaro Automated Validation Architecture - Enable detailed report of libmicro and UnixBench - Android 2.3+ build fixes Also, you can install 0xbench on your Android devices through Android Market. NOTE: due to the expiration of previous key for Android Market, we have to rename the package and then upload to Marketplace again. Therefore, the package namespace is now changed from org.zeroxlab.benchmark to org.zeroxlab.zeroxbenchmark. We feel sorry for inconvenience. The next version will be 1.2.x, and glmark2 [*] is known to be part of test cases. Sincerely, Jim Huang (jserv) http://0xlab.org/ [*] https://launchpad.net/glmark2 2010/8/18 Jim Huang <jserv(a)0xlab.org>: > Hello list, > > We are proud to announce the release of 0xBench, an open source > Android benchmarking app developed by 0xlab. > > 0xBench comes with several built-in benchmarks, such as Linpack, > Scimark2, and LibMicro. 0xBench itself could be extended as well. > Developers can add their own benchmarks (either in native C or Java) > to suit their needs. Please check the project page for details: > http://code.google.com/p/0xbench/ > > Documentation in Wiki: http://code.google.com/p/0xbench/w/list > > As usual, 0xBench GIT repository is hosted in Gitorious: > http://gitorious.org/0xbench/ > > 0xBench is now on the Android Market. If you wish to try it on your > phone, please search for “0xBench” in the Market. In addition to > 0xBench, we are also introducing a website called 0xBenchWeb, a simple > web service that stores and visualizes your benchmarking results. > After finish running benchmarks on your phone, you can choose to > upload your results to 0xBenchWeb. > http://0xbenchmark.appspot.com/

13 years, 6 months

need help regarding pmem crash in qsd8x50

by Sandeep Sharma

Hi All, I was migrating changes from GB(K 2.6.35) to K 3.0 but every time my PMEM allocation in board file leads to crash the kernel before serial up. Now I am taking CAF kernel as reference but the change in MACHINE_START structure(addition of init_early) in CAF code is working fine.Please tell why it is crashing without init_early which is not present in K 2.6.35 and it was working fine and also the associated changes to this. regards sandeep

13 years, 6 months

[RFC PATCH 0/11] ARM: cpu topology Cortex-A9

by Vincent Guittot

The sched_mc feature has been originally designed to improve power consumption of multi-package system and several architecture functions are available to tune the topology and the scheduler's parameters when scheduler rebuilds the sched_domain hierarchy (change the sched_mc_power_savings level). This patches series is a trial to improve the power consumption of dual and quad cortex-A9 when the sched_mc_power_savings is set to 2. The following patch's policy is to accept up to 4 threads (can be configured) in the run queue of a core before starting to load balance if cpu runs at low frequencies but to accept only 1 thread for high frequencies, which is the normal behaviour. The goal is to use only one cpu in light load situation and both cpu in heavy load situation Patches [1-3] modify the ARM cpu topology according to sched_mc_power_savings value and Cortex id Patch [4] enables ARCH_POWER feature of the scheduler Patch [5] adds ARCH_POWER function for ARM platform Patches [6-7] modify the cpu_power of CA-9 according to sched_mc_power_savings' level and current frequency. The main goal is to increase the capacity of a core when using low cpu frequency in order to pull tasks on this core. Note that this behaviour is not really advised but it can be seen as an intermediate step between the use of cpu hotplug (which is not a power saving feature) and a new load balancer which will take into account low load situation on dual core. Patch [8] ensures that cpu0 is used in priority when only one CPU is running Patch [9] adds some debugfs interface for test purpose Patch [10] ensures that the cpu_power will be update periodically Patch [11] fixes an issue around the trigger of ilb. TODO list: -remove useless start of ilb when the core has capacity. -add a method (DT, sysfs, ...) to set threshold for using 1 or 2 cpus for dual CA-9 -irq balancing The tests hereafter have been done on a u8500 with kernel linaro-3.1. They check that there is no obvious lost of performance when sched_mc=2. sysbench --test=cpu --num-threads=12 --max-time=20 run Test execution summary: sched_mc=0 sched_mc=2 cpu hotplug total number of events: 665 664 336 per-request statistics: min: 92.68ms 70.53ms 618.89ms avg: 361.75ms 361.38ms 725.29ms max: 421.08ms 420.73ms 840.74ms approx. 95 percentile: 402.28ms 390.53ms 760.17ms sysbench --test=threads --thread-locks=9 --num-threads=12 --max-time=20 run Test execution summary: sched_mc=0 sched_mc=2 cpu hotplug total number of events: 10000 10000 3129 per-request statistics: min: 1.62ms 1.70ms 13.16ms avg: 22.23ms 21.87ms 76.77ms max: 153.52ms 133.99ms 173.82ms approx. 95 percentile: 54.12ms 52.65ms 136.32ms sysbench --test=threads --thread-locks=2 --num-threads=3 --max-time=20 run Test execution summary: sched_mc=0 sched_mc=2 cpu hotplug total number of events: 10000 10000 10000 per-request statistics: min: 1.38ms 1.38ms 5.70ms avg: 4.67ms 5.37ms 11.85ms max: 36.84ms 32.42ms 32.58ms approx. 95 percentile: 14.34ms 12.89ms 21.30ms cyclictest -q -t -D 20 Only one cpu is used during this test when sched_mc=2 whereas both cpu are used when sched_mc=0 Test execution summary: sched_mc=0 sched_mc=2 cpu hotplug Avg, Max: 15, 434 19, 2145 17, 3556 Avg, Max: 14, 104 19, 1686 17, 3593 Regards, Vincent

13 years, 6 months

LAVA Extension hacking session typescript

by Zygmunt Krynicki

This is my script(1) session of setting up and modifying a demo extension for LAVA Server. ZK

13 years, 6 months

End of support for Snowball V2 board

by Fathi Boudra

Hi, Snowball V2 boards are no longer supported. Daily builds are now disabled. Linaro engineers, please go through your support channels for a replacement board. Cheers, -- Fathi Boudra Linaro Release Manager | Validation Project Manager Linaro.org | Open source software for ARM SoCs

13 years, 6 months

3 new linaro-android sessions for connect: kernel unification, eCryptfs, GStreamer

by Zach Pfeffer

Just a heads up in case people are interested. Integrate eCryptfs https://blueprints.launchpad.net/linaro-android/+spec/linaro-android-integr… Being Awesome: Unify Linaro's Android and Ubuntu kernels https://blueprints.launchpad.net/linaro-android/+spec/linaro-platforms-lc4.… Enabling Hardware Accelerated Video with GStreamer on Android https://blueprints.launchpad.net/linaro-android/+spec/linaro-platforms-lc4.… -- Zach Pfeffer Android Platform Team Lead, Linaro Platform Teams Linaro.org | Open source software for ARM SoCs Follow Linaro: http://www.facebook.com/pages/Linaro http://twitter.com/#!/linaroorg - http://www.linaro.org/linaro-blog

13 years, 6 months

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