powerpc/powernv: Fix endian issues in OPAL RTC driver

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/powernv/opal-rtc.c b/arch/powerpc/platforms/powernv/opal-rtc.c
index 2aa7641aac9bd8080e2e42b3c0ed98ba7920c0ea..dbfdba35fcf301e4f0f6e43c3293c70dd776bc6a 100644 (file)
--- a/arch/powerpc/platforms/powernv/opal-rtc.c
+++ b/arch/powerpc/platforms/powernv/opal-rtc.c
@@ -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)