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SubjectRe: [PATCH 1/2] rtc: max77686: convert to devm_i2c_new_dummy_device()
On 20/08/2019 17:42:37+0200, Wolfram Sang wrote:
> I was about to simplify the call to i2c_unregister_device() when I
> realized that converting to devm_i2c_new_dummy_device() will simplify
> the driver a lot. So I took this approach.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---
> Build tested only, buildbot is happy, too.
>
> Please apply to your tree.
>

I'm confused because I already applied:
https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git/commit/?h=rtc-next&id=7150710f3084de8d35ce3221eeae2caee8813f92

> drivers/rtc/rtc-max77686.c | 17 ++++-------------
> 1 file changed, 4 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/rtc/rtc-max77686.c b/drivers/rtc/rtc-max77686.c
> index d04fd1024697..4027b33034dc 100644
> --- a/drivers/rtc/rtc-max77686.c
> +++ b/drivers/rtc/rtc-max77686.c
> @@ -693,8 +693,8 @@ static int max77686_init_rtc_regmap(struct max77686_rtc_info *info)
> goto add_rtc_irq;
> }
>
> - info->rtc = i2c_new_dummy_device(parent_i2c->adapter,
> - info->drv_data->rtc_i2c_addr);
> + info->rtc = devm_i2c_new_dummy_device(info->dev, parent_i2c->adapter,
> + info->drv_data->rtc_i2c_addr);
> if (IS_ERR(info->rtc)) {
> dev_err(info->dev, "Failed to allocate I2C device for RTC\n");
> return PTR_ERR(info->rtc);
> @@ -705,7 +705,7 @@ static int max77686_init_rtc_regmap(struct max77686_rtc_info *info)
> if (IS_ERR(info->rtc_regmap)) {
> ret = PTR_ERR(info->rtc_regmap);
> dev_err(info->dev, "Failed to allocate RTC regmap: %d\n", ret);
> - goto err_unregister_i2c;
> + return ret;
> }
>
> add_rtc_irq:
> @@ -715,15 +715,10 @@ static int max77686_init_rtc_regmap(struct max77686_rtc_info *info)
> &info->rtc_irq_data);
> if (ret < 0) {
> dev_err(info->dev, "Failed to add RTC irq chip: %d\n", ret);
> - goto err_unregister_i2c;
> + return ret;
> }
>
> return 0;
> -
> -err_unregister_i2c:
> - if (info->rtc)
> - i2c_unregister_device(info->rtc);
> - return ret;
> }
>
> static int max77686_rtc_probe(struct platform_device *pdev)
> @@ -786,8 +781,6 @@ static int max77686_rtc_probe(struct platform_device *pdev)
>
> err_rtc:
> regmap_del_irq_chip(info->rtc_irq, info->rtc_irq_data);
> - if (info->rtc)
> - i2c_unregister_device(info->rtc);
>
> return ret;
> }
> @@ -798,8 +791,6 @@ static int max77686_rtc_remove(struct platform_device *pdev)
>
> free_irq(info->virq, info);
> regmap_del_irq_chip(info->rtc_irq, info->rtc_irq_data);
> - if (info->rtc)
> - i2c_unregister_device(info->rtc);
>
> return 0;
> }
> --
> 2.20.1
>

--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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