diff options
| author | Jonas Aaberg <jonas.aberg@stericsson.com> | 2012-02-27 14:02:44 +0400 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2012-12-11 12:43:52 +0400 |
| commit | f6271b4fb1d5ce7d6cf2c84a96b56cca4ceca372 (patch) | |
| tree | d191df216d4b443c6a8909b1dee2c72a7811a137 /drivers/power/ab8500_btemp.c | |
| parent | e32ad07cea1f198db1cc6c2055dd8471b562a535 (diff) | |
| download | linux-f6271b4fb1d5ce7d6cf2c84a96b56cca4ceca372.tar.xz | |
ab8500_btemp: Detect battery type in workqueue
Detect battery type in work queue instead of probe.
This reduces the system boot time with 1.5s.
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Karl KOMIEROWSKI <karl.komierowski@stericsson.com>
Diffstat (limited to 'drivers/power/ab8500_btemp.c')
| -rw-r--r-- | drivers/power/ab8500_btemp.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/power/ab8500_btemp.c b/drivers/power/ab8500_btemp.c index 8135542ee746..5d1bf0bd6fa5 100644 --- a/drivers/power/ab8500_btemp.c +++ b/drivers/power/ab8500_btemp.c @@ -84,6 +84,7 @@ struct ab8500_btemp_ranges { * @btemp_ranges: Battery temperature range structure * @btemp_wq: Work queue for measuring the temperature periodically * @btemp_periodic_work: Work for measuring the temperature periodically + * @initialized: True if battery id read. */ struct ab8500_btemp { struct device *dev; @@ -100,6 +101,7 @@ struct ab8500_btemp { struct ab8500_btemp_ranges btemp_ranges; struct workqueue_struct *btemp_wq; struct delayed_work btemp_periodic_work; + bool initialized; }; /* BTEMP power supply properties */ @@ -569,6 +571,13 @@ static void ab8500_btemp_periodic_work(struct work_struct *work) struct ab8500_btemp *di = container_of(work, struct ab8500_btemp, btemp_periodic_work.work); + if (!di->initialized) { + di->initialized = true; + /* Identify the battery */ + if (ab8500_btemp_id(di) < 0) + dev_warn(di->dev, "failed to identify the battery\n"); + } + di->bat_temp = ab8500_btemp_measure_temp(di); if (di->bat_temp != di->prev_bat_temp) { @@ -998,6 +1007,8 @@ static int __devinit ab8500_btemp_probe(struct platform_device *pdev) di->parent = dev_get_drvdata(pdev->dev.parent); di->gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); + di->initialized = false; + /* BTEMP supply */ di->btemp_psy.name = "ab8500_btemp"; di->btemp_psy.type = POWER_SUPPLY_TYPE_BATTERY; @@ -1022,10 +1033,6 @@ static int __devinit ab8500_btemp_probe(struct platform_device *pdev) INIT_DEFERRABLE_WORK(&di->btemp_periodic_work, ab8500_btemp_periodic_work); - /* Identify the battery */ - if (ab8500_btemp_id(di) < 0) - dev_warn(di->dev, "failed to identify the battery\n"); - /* Set BTEMP thermal limits. Low and Med are fixed */ di->btemp_ranges.btemp_low_limit = BTEMP_THERMAL_LOW_LIMIT; di->btemp_ranges.btemp_med_limit = BTEMP_THERMAL_MED_LIMIT; |