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Subject[PATCH 3/4] usb: otg: twl4030: use devres API for regulator get and request irq
Date
Used devres APIs devm_request_threaded_irq and devm_regulator_get for
requesting irq and for getting regulator respectively.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
---
drivers/usb/phy/phy-twl4030-usb.c | 28 ++++++++--------------------
1 file changed, 8 insertions(+), 20 deletions(-)

diff --git a/drivers/usb/phy/phy-twl4030-usb.c b/drivers/usb/phy/phy-twl4030-usb.c
index a994715..e14b03e 100644
--- a/drivers/usb/phy/phy-twl4030-usb.c
+++ b/drivers/usb/phy/phy-twl4030-usb.c
@@ -432,7 +432,7 @@ static int twl4030_usb_ldo_init(struct twl4030_usb *twl)
/* Initialize 3.1V regulator */
twl_i2c_write_u8(TWL_MODULE_PM_RECEIVER, 0, VUSB3V1_DEV_GRP);

- twl->usb3v1 = regulator_get(twl->dev, "usb3v1");
+ twl->usb3v1 = devm_regulator_get(twl->dev, "usb3v1");
if (IS_ERR(twl->usb3v1))
return -ENODEV;

@@ -441,18 +441,18 @@ static int twl4030_usb_ldo_init(struct twl4030_usb *twl)
/* Initialize 1.5V regulator */
twl_i2c_write_u8(TWL_MODULE_PM_RECEIVER, 0, VUSB1V5_DEV_GRP);

- twl->usb1v5 = regulator_get(twl->dev, "usb1v5");
+ twl->usb1v5 = devm_regulator_get(twl->dev, "usb1v5");
if (IS_ERR(twl->usb1v5))
- goto fail1;
+ return -ENODEV;

twl_i2c_write_u8(TWL_MODULE_PM_RECEIVER, 0, VUSB1V5_TYPE);

/* Initialize 1.8V regulator */
twl_i2c_write_u8(TWL_MODULE_PM_RECEIVER, 0, VUSB1V8_DEV_GRP);

- twl->usb1v8 = regulator_get(twl->dev, "usb1v8");
+ twl->usb1v8 = devm_regulator_get(twl->dev, "usb1v8");
if (IS_ERR(twl->usb1v8))
- goto fail2;
+ return -ENODEV;

twl_i2c_write_u8(TWL_MODULE_PM_RECEIVER, 0, VUSB1V8_TYPE);

@@ -461,14 +461,6 @@ static int twl4030_usb_ldo_init(struct twl4030_usb *twl)
TWL4030_PM_MASTER_PROTECT_KEY);

return 0;
-
-fail2:
- regulator_put(twl->usb1v5);
- twl->usb1v5 = NULL;
-fail1:
- regulator_put(twl->usb3v1);
- twl->usb3v1 = NULL;
- return -ENODEV;
}

static ssize_t twl4030_usb_vbus_show(struct device *dev,
@@ -640,9 +632,9 @@ static int twl4030_usb_probe(struct platform_device *pdev)
* need both handles, otherwise just one suffices.
*/
twl->irq_enabled = true;
- status = request_threaded_irq(twl->irq, NULL, twl4030_usb_irq,
- IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
- IRQF_ONESHOT, "twl4030_usb", twl);
+ status = devm_request_threaded_irq(twl->dev, twl->irq, NULL,
+ twl4030_usb_irq, IRQF_TRIGGER_FALLING |
+ IRQF_TRIGGER_RISING | IRQF_ONESHOT, "twl4030_usb", twl);
if (status < 0) {
dev_dbg(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq, status);
@@ -663,7 +655,6 @@ static int __exit twl4030_usb_remove(struct platform_device *pdev)
struct twl4030_usb *twl = platform_get_drvdata(pdev);
int val;

- free_irq(twl->irq, twl);
device_remove_file(twl->dev, &dev_attr_vbus);

/* set transceiver mode to power on defaults */
@@ -685,9 +676,6 @@ static int __exit twl4030_usb_remove(struct platform_device *pdev)

if (!twl->asleep)
twl4030_phy_power(twl, 0);
- regulator_put(twl->usb1v5);
- regulator_put(twl->usb1v8);
- regulator_put(twl->usb3v1);

return 0;
}
--
1.7.10.4


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