[PATCH v2 6/8] mfd: intel_soc_pmic_bxtwc: utilize devm_* functions in driver probe

From: sathyanarayanan . kuppuswamy
Date: Fri Apr 14 2017 - 19:30:58 EST


From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>

Cleanup the resource allocation/free code in probe function by using
devm_* calls.

Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>
---
drivers/mfd/intel_soc_pmic_bxtwc.c | 54 +++++++++++++-------------------------
1 file changed, 18 insertions(+), 36 deletions(-)

Changes since v1:
* None

diff --git a/drivers/mfd/intel_soc_pmic_bxtwc.c b/drivers/mfd/intel_soc_pmic_bxtwc.c
index dc8af1d..442dc29 100644
--- a/drivers/mfd/intel_soc_pmic_bxtwc.c
+++ b/drivers/mfd/intel_soc_pmic_bxtwc.c
@@ -400,45 +400,44 @@ static int bxtwc_probe(struct platform_device *pdev)
return ret;
}

- ret = regmap_add_irq_chip(pmic->regmap, pmic->irq,
- IRQF_ONESHOT | IRQF_SHARED,
- 0, &bxtwc_regmap_irq_chip,
- &pmic->irq_chip_data);
+ ret = devm_regmap_add_irq_chip(&pdev->dev, pmic->regmap, pmic->irq,
+ IRQF_ONESHOT | IRQF_SHARED,
+ 0, &bxtwc_regmap_irq_chip,
+ &pmic->irq_chip_data);
if (ret) {
dev_err(&pdev->dev, "Failed to add IRQ chip\n");
return ret;
}

- ret = regmap_add_irq_chip(pmic->regmap, pmic->irq,
- IRQF_ONESHOT | IRQF_SHARED,
- 0, &bxtwc_regmap_irq_chip_level2,
- &pmic->irq_chip_data_level2);
+ ret = devm_regmap_add_irq_chip(&pdev->dev, pmic->regmap, pmic->irq,
+ IRQF_ONESHOT | IRQF_SHARED,
+ 0, &bxtwc_regmap_irq_chip_level2,
+ &pmic->irq_chip_data_level2);
if (ret) {
dev_err(&pdev->dev, "Failed to add secondary IRQ chip\n");
- goto err_irq_chip_level2;
+ return ret;
}

- ret = regmap_add_irq_chip(pmic->regmap, pmic->irq,
- IRQF_ONESHOT | IRQF_SHARED,
- 0, &bxtwc_regmap_irq_chip_tmu,
- &pmic->irq_chip_data_tmu);
+ ret = devm_regmap_add_irq_chip(&pdev->dev, pmic->regmap, pmic->irq,
+ IRQF_ONESHOT | IRQF_SHARED,
+ 0, &bxtwc_regmap_irq_chip_tmu,
+ &pmic->irq_chip_data_tmu);
if (ret) {
dev_err(&pdev->dev, "Failed to add TMU IRQ chip\n");
- goto err_irq_chip_tmu;
+ return ret;
}

- ret = mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE, bxt_wc_dev,
- ARRAY_SIZE(bxt_wc_dev), NULL, 0,
- NULL);
+ ret = devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE, bxt_wc_dev,
+ ARRAY_SIZE(bxt_wc_dev), NULL, 0, NULL);
if (ret) {
dev_err(&pdev->dev, "Failed to add devices\n");
- goto err_mfd;
+ return ret;
}

ret = sysfs_create_group(&pdev->dev.kobj, &bxtwc_group);
if (ret) {
dev_err(&pdev->dev, "Failed to create sysfs group %d\n", ret);
- goto err_sysfs;
+ return ret;
}

/*
@@ -452,28 +451,11 @@ static int bxtwc_probe(struct platform_device *pdev)
BXTWC_MIRQLVL1_MCHGR, 0);

return 0;
-
-err_sysfs:
- mfd_remove_devices(&pdev->dev);
-err_mfd:
- regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data_tmu);
-err_irq_chip_tmu:
- regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data_level2);
-err_irq_chip_level2:
- regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data);
-
- return ret;
}

static int bxtwc_remove(struct platform_device *pdev)
{
- struct intel_soc_pmic *pmic = dev_get_drvdata(&pdev->dev);
-
sysfs_remove_group(&pdev->dev.kobj, &bxtwc_group);
- mfd_remove_devices(&pdev->dev);
- regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data);
- regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data_level2);
- regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data_tmu);

return 0;
}
--
2.7.4