diff options
| author | H. Nikolaus Schaller <hns@goldelico.com> | 2017-07-03 19:37:10 +0300 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.co.uk> | 2017-07-03 20:15:00 +0300 |
| commit | 3950c95e2c39b998abcc9702005b5ba7c7f70d32 (patch) | |
| tree | 5273eea5a079f0146b79a499cf281bc6e32eb7af /drivers | |
| parent | bfa953d336cdd713f6968c85ca820ef22333dc35 (diff) | |
| download | linux-3950c95e2c39b998abcc9702005b5ba7c7f70d32.tar.xz | |
power: supply: twl4030-charger: move irq allocation to just before irqs are enabled
And initialize workers and notifiers as soon as possible.
This avoids a potential race if irqs are enabled and triggered too early
before the worker is properly set up.
Suggested-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/supply/twl4030_charger.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/power/supply/twl4030_charger.c b/drivers/power/supply/twl4030_charger.c index 3de802f169a1..9fad387e5081 100644 --- a/drivers/power/supply/twl4030_charger.c +++ b/drivers/power/supply/twl4030_charger.c @@ -980,12 +980,27 @@ static int twl4030_bci_probe(struct platform_device *pdev) platform_set_drvdata(pdev, bci); + INIT_WORK(&bci->work, twl4030_bci_usb_work); + INIT_DELAYED_WORK(&bci->current_worker, twl4030_current_worker); + bci->channel_vac = devm_iio_channel_get(&pdev->dev, "vac"); if (IS_ERR(bci->channel_vac)) { bci->channel_vac = NULL; dev_warn(&pdev->dev, "could not request vac iio channel"); } + if (bci->dev->of_node) { + struct device_node *phynode; + + phynode = of_find_compatible_node(bci->dev->of_node->parent, + NULL, "ti,twl4030-usb"); + if (phynode) { + bci->usb_nb.notifier_call = twl4030_bci_usb_ncb; + bci->transceiver = devm_usb_get_phy_by_node( + bci->dev, phynode, &bci->usb_nb); + } + } + bci->ac = devm_power_supply_register(&pdev->dev, &twl4030_bci_ac_desc, NULL); if (IS_ERR(bci->ac)) { @@ -1019,20 +1034,6 @@ static int twl4030_bci_probe(struct platform_device *pdev) return ret; } - INIT_WORK(&bci->work, twl4030_bci_usb_work); - INIT_DELAYED_WORK(&bci->current_worker, twl4030_current_worker); - - bci->usb_nb.notifier_call = twl4030_bci_usb_ncb; - if (bci->dev->of_node) { - struct device_node *phynode; - - phynode = of_find_compatible_node(bci->dev->of_node->parent, - NULL, "ti,twl4030-usb"); - if (phynode) - bci->transceiver = devm_usb_get_phy_by_node( - bci->dev, phynode, &bci->usb_nb); - } - /* Enable interrupts now. */ reg = ~(u32)(TWL4030_ICHGLOW | TWL4030_ICHGEOC | TWL4030_TBATOR2 | TWL4030_TBATOR1 | TWL4030_BATSTS); |