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| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-08-19 00:00:40 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-08-20 21:44:45 +0200 |
| commit | 924068e50a6ca426b8fda1d2c06d6d2bde212136 (patch) | |
| tree | 4d3286bb946e0198c7a7c48a2aea7f1135e9e1b9 /drivers/rtc | |
| parent | cb36cf803f3f468baa22b165bc4e67ae88811ad1 (diff) | |
| download | linux-924068e50a6ca426b8fda1d2c06d6d2bde212136.tar.bz2 | |
rtc: class: add debug message when registration fails
Add a message when __rtc_register_device fails because rtc->ops is NULL.
This may only happen when developing a new driver so use dev_dbg to avoid
compiling it in by default.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20190818220041.17833-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/class.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c index 0f492b0940b3..9458e6d6686a 100644 --- a/drivers/rtc/class.c +++ b/drivers/rtc/class.c @@ -346,8 +346,10 @@ int __rtc_register_device(struct module *owner, struct rtc_device *rtc) struct rtc_wkalrm alrm; int err; - if (!rtc->ops) + if (!rtc->ops) { + dev_dbg(&rtc->dev, "no ops set\n"); return -EINVAL; + } rtc->owner = owner; rtc_device_get_offset(rtc); |