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authorWolfram Sang <wsa+renesas@sang-engineering.com>2019-08-30 15:31:23 +0200
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2019-09-01 09:18:35 +0200
commit59a7f24fceb3aef6bd16f5aeb852c823dddab04d (patch)
treeac029c2b756095596a2af4b721ba7609757a04a1 /drivers/rtc/rtc-max77686.c
parent7ef66122bdb3b839e9f51b76d7e600b6e21ef648 (diff)
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rtc: max77686: convert to devm_i2c_new_dummy_device()
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> Link: https://lore.kernel.org/r/20190830133124.21633-2-wsa+renesas@sang-engineering.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc/rtc-max77686.c')
-rw-r--r--drivers/rtc/rtc-max77686.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/rtc/rtc-max77686.c b/drivers/rtc/rtc-max77686.c
index 7a98e0744878..d5a0e27dd0a0 100644
--- a/drivers/rtc/rtc-max77686.c
+++ b/drivers/rtc/rtc-max77686.c
@@ -690,8 +690,8 @@ 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);
@@ -702,7 +702,7 @@ 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:
@@ -712,15 +712,10 @@ add_rtc_irq:
&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)
@@ -783,8 +778,6 @@ 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;
}
@@ -795,8 +788,6 @@ 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;
}