Re: [PATCH 5/7] mfd: sec: Use devm_mfd_add_devices and devm_regmap_add_irq_chip

Lee Jones
2016-04-28T09:10:04Z

On Thu, 21 Apr 2016, Laxman Dewangan wrote:

> Use devm_mfd_add_devices() for adding MFD child devices and
> devm_regmap_add_irq_chip() for IRQ chip registration.
>
> This reduces the error code path and .remove callback for removing
> MFD child devices and deleting IRQ chip data.
>
> Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
> CC: Sangbeom Kim <sbkim73@samsung.com>
> CC: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> CC: linux-samsung-soc@vger.kernel.org
> ---
> drivers/mfd/sec-core.c | 20 +++-----------------
> drivers/mfd/sec-irq.c | 14 +++++---------
> 2 files changed, 8 insertions(+), 26 deletions(-)

Applied, thanks.

> diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
> index 400e1d7..ca6b80d 100644
> --- a/drivers/mfd/sec-core.c
> +++ b/drivers/mfd/sec-core.c
> @@ -481,29 +481,16 @@ static int sec_pmic_probe(struct i2c_client *i2c,
> /* If this happens the probe function is problem */
> BUG();
> }
> - ret = mfd_add_devices(sec_pmic->dev, -1, sec_devs, num_sec_devs, NULL,
> - 0, NULL);
> + ret = devm_mfd_add_devices(sec_pmic->dev, -1, sec_devs, num_sec_devs,
> + NULL, 0, NULL);
> if (ret)
> - goto err_mfd;
> + return ret;
>
> device_init_wakeup(sec_pmic->dev, sec_pmic->wakeup);
> sec_pmic_configure(sec_pmic);
> sec_pmic_dump_rev(sec_pmic);
>
> return ret;
> -
> -err_mfd:
> - sec_irq_exit(sec_pmic);
> - return ret;
> -}
> -
> -static int sec_pmic_remove(struct i2c_client *i2c)
> -{
> - struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c);
> -
> - mfd_remove_devices(sec_pmic->dev);
> - sec_irq_exit(sec_pmic);
> - return 0;
> }
>
> static void sec_pmic_shutdown(struct i2c_client *i2c)
> @@ -583,7 +570,6 @@ static struct i2c_driver sec_pmic_driver = {
> .of_match_table = of_match_ptr(sec_dt_match),
> },
> .probe = sec_pmic_probe,
> - .remove = sec_pmic_remove,
> .shutdown = sec_pmic_shutdown,
> .id_table = sec_pmic_id,
> };
> diff --git a/drivers/mfd/sec-irq.c b/drivers/mfd/sec-irq.c
> index d77de43..5eb59c233d5 100644
> --- a/drivers/mfd/sec-irq.c
> +++ b/drivers/mfd/sec-irq.c
> @@ -483,10 +483,11 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
> return -EINVAL;
> }
>
> - ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
> - IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
> - sec_pmic->irq_base, sec_irq_chip,
> - &sec_pmic->irq_data);
> + ret = devm_regmap_add_irq_chip(sec_pmic->dev, sec_pmic->regmap_pmic,
> + sec_pmic->irq,
> + IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
> + sec_pmic->irq_base, sec_irq_chip,
> + &sec_pmic->irq_data);
> if (ret != 0) {
> dev_err(sec_pmic->dev, "Failed to register IRQ chip: %d\n", ret);
> return ret;
> @@ -500,8 +501,3 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
>
> return 0;
> }
> -
> -void sec_irq_exit(struct sec_pmic_dev *sec_pmic)
> -{
> - regmap_del_irq_chip(sec_pmic->irq, sec_pmic->irq_data);
> -}

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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