parisc: Improve error return codes when setting rtc time (faade098) · Commits · 戴 / test

The HP 730 machine returned strange errors when I tried setting the rtc time. Add some debug code to improve the possibility to trace errors and document that hppa probably has as Y2k38 problem. Signed-off-by:

Helge Deller <deller@gmx.de>

arch/parisc/kernel/time.c

+9 −2

Original line number	Diff line number	Diff line
		@@ -180,9 +180,16 @@ static int rtc_generic_get_time(struct device dev, struct rtc_time tm)
		static int rtc_generic_set_time(struct device dev, struct rtc_time tm)
		{
		time64_t secs = rtc_tm_to_time64(tm);

		if (pdc_tod_set(secs, 0) < 0)
		int ret;

		/* hppa has Y2K38 problem: pdc_tod_set() takes an u32 value! */
		ret = pdc_tod_set(secs, 0);
		if (ret != 0) {
		pr_warn("pdc_tod_set(%lld) returned error %d\n", secs, ret);
		if (ret == PDC_INVALID_ARG)
		return -EINVAL;
		return -EOPNOTSUPP;
		}

		return 0;
		}

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