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| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-04-19 10:25:01 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-04-19 22:37:17 +0200 |
| commit | d9aa5ca429ad30dde96e5966173d18004f16f312 (patch) | |
| tree | dcbc32ecf87a0903fc6cc975616c3d0b16248f74 /drivers/rtc/rtc-ds2404.c | |
| parent | rtc: ds2404: remove ds2404_chip_ops (diff) | |
| download | linux-d9aa5ca429ad30dde96e5966173d18004f16f312.tar.xz linux-d9aa5ca429ad30dde96e5966173d18004f16f312.zip | |
rtc: ds2404: simplify .probe and remove .remove
Use devm_add_action_or_reset to simplify .probe and remove .remove
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc/rtc-ds2404.c')
| -rw-r--r-- | drivers/rtc/rtc-ds2404.c | 25 |
1 files changed, 7 insertions, 18 deletions
diff --git a/drivers/rtc/rtc-ds2404.c b/drivers/rtc/rtc-ds2404.c index c6b73dcf9d62..1e9f429ada64 100644 --- a/drivers/rtc/rtc-ds2404.c +++ b/drivers/rtc/rtc-ds2404.c @@ -72,7 +72,7 @@ err_request: return err; } -static void ds2404_gpio_unmap(struct ds2404 *chip) +static void ds2404_gpio_unmap(void *data) { int i; @@ -218,7 +218,11 @@ static int rtc_probe(struct platform_device *pdev) retval = ds2404_gpio_map(chip, pdev, pdata); if (retval) - goto err_chip; + return retval; + + retval = devm_add_action_or_reset(&pdev->dev, ds2404_gpio_unmap, chip); + if (retval) + return retval; dev_info(&pdev->dev, "using GPIOs RST:%d, CLK:%d, DQ:%d\n", chip->gpio[DS2404_RST].gpio, chip->gpio[DS2404_CLK].gpio, @@ -231,29 +235,14 @@ static int rtc_probe(struct platform_device *pdev) retval = rtc_register_device(chip->rtc); if (retval) - goto err_io; + return retval; ds2404_enable_osc(&pdev->dev); return 0; - -err_io: - ds2404_gpio_unmap(chip); -err_chip: - return retval; -} - -static int rtc_remove(struct platform_device *dev) -{ - struct ds2404 *chip = platform_get_drvdata(dev); - - ds2404_gpio_unmap(chip); - - return 0; } static struct platform_driver rtc_device_driver = { .probe = rtc_probe, - .remove = rtc_remove, .driver = { .name = "ds2404", }, |