diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-09-19 19:52:11 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-09-28 14:21:01 +0200 |
| commit | cfb74916e2ecf018e3189959edd2a1356b2fd89e (patch) | |
| tree | f6a5b34607f6c5ec6ff07318af012037cedabbd0 /drivers/rtc | |
| parent | rtc: ds1685: use generic nvmem (diff) | |
| download | linux-cfb74916e2ecf018e3189959edd2a1356b2fd89e.tar.xz linux-cfb74916e2ecf018e3189959edd2a1356b2fd89e.zip | |
rtc: ds1685: use rtc_add_group
Use rtc_add_group to add the sysfs group in a race free manner.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-ds1685.c | 40 |
1 files changed, 1 insertions, 39 deletions
diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c index 1f85e46b7888..b0723025ac31 100644 --- a/drivers/rtc/rtc-ds1685.c +++ b/drivers/rtc/rtc-ds1685.c @@ -995,7 +995,6 @@ static int ds1685_nvram_write(void *priv, unsigned int pos, void *val, /* ----------------------------------------------------------------------- */ /* SysFS interface */ -#ifdef CONFIG_SYSFS /** * ds1685_rtc_sysfs_battery_show - sysfs file for main battery status. * @dev: pointer to device structure. @@ -1079,37 +1078,6 @@ ds1685_rtc_sysfs_misc_grp = { .attrs = ds1685_rtc_sysfs_misc_attrs, }; -/** - * ds1685_rtc_sysfs_register - register sysfs files. - * @dev: pointer to device structure. - */ -static int -ds1685_rtc_sysfs_register(struct device *dev) -{ - int ret = 0; - - ret = sysfs_create_group(&dev->kobj, &ds1685_rtc_sysfs_misc_grp); - if (ret) - return ret; - - return 0; -} - -/** - * ds1685_rtc_sysfs_unregister - unregister sysfs files. - * @dev: pointer to device structure. - */ -static int -ds1685_rtc_sysfs_unregister(struct device *dev) -{ - sysfs_remove_group(&dev->kobj, &ds1685_rtc_sysfs_misc_grp); - - return 0; -} -#endif /* CONFIG_SYSFS */ - - - /* ----------------------------------------------------------------------- */ /* Driver Probe/Removal */ @@ -1390,11 +1358,9 @@ ds1685_rtc_probe(struct platform_device *pdev) /* Setup complete. */ ds1685_rtc_switch_to_bank0(rtc); -#ifdef CONFIG_SYSFS - ret = ds1685_rtc_sysfs_register(&pdev->dev); + ret = rtc_add_group(rtc_dev, &ds1685_rtc_sysfs_misc_grp); if (ret) return ret; -#endif rtc_dev->nvram_old_abi = true; nvmem_cfg.priv = rtc; @@ -1414,10 +1380,6 @@ ds1685_rtc_remove(struct platform_device *pdev) { struct ds1685_priv *rtc = platform_get_drvdata(pdev); -#ifdef CONFIG_SYSFS - ds1685_rtc_sysfs_unregister(&pdev->dev); -#endif - /* Read Ctrl B and clear PIE/AIE/UIE. */ rtc->write(rtc, RTC_CTRL_B, (rtc->read(rtc, RTC_CTRL_B) & |