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rtc: hctosys: do not treat lack of RTC device as error

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When using device trees on the ARM platform, it is not certain at compile
time whether or not the system will have a RTC.

If one enables CONFIG_HCTOSYS just in case the system booted has a RTC,
and it turns out not to be, this will result in a big fat "unable to open
rtc device" error being printed to console, even when "quiet" is set in
the kernel cmdline.

Fix this by outputting the message with loglevel info instead.

Signed-off-by: Floris Bos <bos@je-eigen-domein.nl>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Floris Bos 2015-04-16 12:45:12 -07:00 committed by Linus Torvalds
parent 86e66604fc
commit aed98b9a1b
1 changed files with 1 additions and 1 deletions
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2
drivers/rtc/hctosys.c
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@ -32,7 +32,7 @@ static int __init rtc_hctosys(void)
struct rtc_device *rtc = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE);
if (rtc == NULL) {
pr_err("%s: unable to open rtc device (%s)\n",
pr_info("%s: unable to open rtc device (%s)\n",
__FILE__, CONFIG_RTC_HCTOSYS_DEVICE);
goto err_open;
}