[PATCH v6 4/6] mfd: intel_soc_pmic_bxtwc: Utilize devm_* functions in driver probe

[sathyanarayanan . kuppuswamy]

From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppusw...@linux.intel.com>

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

Signed-off-by: Kuppuswamy Sathyanarayanan 
<sathyanarayanan.kuppusw...@linux.intel.com>
Acked-for-MFD-by: Lee Jones <lee.jo...@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevche...@gmail.com>
---
 drivers/mfd/intel_soc_pmic_bxtwc.c | 54 +++++++++++++-------------------------
 1 file changed, 18 insertions(+), 36 deletions(-)

Changes since v1:
 * None

Changes since v2:
 * Rebased on top of latest release.

Changes since v3:
 * None

Changes since v5:
 * None

diff --git a/drivers/mfd/intel_soc_pmic_bxtwc.c 
b/drivers/mfd/intel_soc_pmic_bxtwc.c
index af11c43..feeda6e 100644
--- a/drivers/mfd/intel_soc_pmic_bxtwc.c
+++ b/drivers/mfd/intel_soc_pmic_bxtwc.c
@@ -399,45 +399,44 @@ 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;
        }
 
        /*
@@ -451,28 +450,11 @@ 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