Commit 46d319e5 authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt
Browse files

powerpc/powernv: Fix endian issues in OPAL RTC driver 



Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent c681b93c

arch/powerpc/platforms/powernv/opal-rtc.c

+7 −0
Original line number Diff line number Diff line
@@ -48,6 +48,8 @@ unsigned long __init opal_get_boot_time(void) 
	}

	if (rc != OPAL_SUCCESS)

		return 0;

	y_m_d = be32_to_cpu(y_m_d);

	h_m_s_ms = be64_to_cpu(h_m_s_ms);

	opal_to_tm(y_m_d, h_m_s_ms, &tm);

	return mktime(tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,

		      tm.tm_hour, tm.tm_min, tm.tm_sec);
@@ -68,6 +70,8 @@ void opal_get_rtc_time(struct rtc_time *tm) 
	}

	if (rc != OPAL_SUCCESS)

		return;

	y_m_d = be32_to_cpu(y_m_d);

	h_m_s_ms = be64_to_cpu(h_m_s_ms);

	opal_to_tm(y_m_d, h_m_s_ms, tm);

}
@@ -86,6 +90,9 @@ int opal_set_rtc_time(struct rtc_time *tm) 
	h_m_s_ms |= ((u64)bin2bcd(tm->tm_min)) << 48;

	h_m_s_ms |= ((u64)bin2bcd(tm->tm_sec)) << 40;



	y_m_d = cpu_to_be32(y_m_d);

	h_m_s_ms = cpu_to_be64(h_m_s_ms);



	while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {

		rc = opal_rtc_write(y_m_d, h_m_s_ms);

		if (rc == OPAL_BUSY_EVENT)