From 924068e50a6ca426b8fda1d2c06d6d2bde212136 Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Mon, 19 Aug 2019 00:00:40 +0200 Subject: 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 Link: https://lore.kernel.org/r/20190818220041.17833-1-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni --- drivers/rtc/class.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/rtc') 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); -- cgit v1.2.3