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power: ab8500_charger: Remove deprecated create_singlethread_workqueue

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alloc_ordered_workqueue() with WQ_MEM_RECLAIM set replaces
deprecated create_singlethread_workqueue(). This is the identity
conversion.

The workqueue "charger_wq" is used for the IRQs and checking HW state of
the charger. It has been identity converted.

It has multiple work items viz usb_charger_attached_work, kick_wd_work,
check_vbat_work, check_hw_failure_work, usb_charger_attached_work,
ac_work, ac_charger_attached_work, attach_work and check_usbchgnotok_work,
which require execution ordering. Hence, a dedicated ordered workqueue
has been used here.

The WQ_MEM_RECLAIM flag has also been set to ensure
forward progress under memory pressure.

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
Bhaktipriya Shridhar 2016-08-13 21:51:23 +05:30 committed by Sebastian Reichel
parent 87f818b35c
commit 9df8262826
1 changed files with 2 additions and 2 deletions
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4
drivers/power/supply/ab8500_charger.c
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@ -3540,8 +3540,8 @@ static int ab8500_charger_probe(struct platform_device *pdev)
di->usb_state.usb_current = -1;
/* Create a work queue for the charger */
di->charger_wq =
create_singlethread_workqueue("ab8500_charger_wq");
di->charger_wq = alloc_ordered_workqueue("ab8500_charger_wq",
WQ_MEM_RECLAIM);
if (di->charger_wq == NULL) {
dev_err(di->dev, "failed to create work queue\n");
return -ENOMEM;