From: Michael Neuling Date: Fri, 29 Nov 2013 03:22:48 +0000 (+1100) Subject: powernv: Remove get/set_rtc_time when they are not present X-Git-Tag: v4.14-rc1~8174^2~43 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2c49195b6aedd21ff1cd1e095fab9866fba3411b;p=platform%2Fkernel%2Flinux-rpi.git powernv: Remove get/set_rtc_time when they are not present Currently we continue to poll get/set_rtc_time even when we know they are not working. This changes it so that if it fails at boot time we remove the ppc_md get/set_rtc_time hooks so that we don't end up polling known broken calls. Signed-off-by: Michael Neuling Signed-off-by: Benjamin Herrenschmidt --- diff --git a/arch/powerpc/platforms/powernv/opal-rtc.c b/arch/powerpc/platforms/powernv/opal-rtc.c index 7d07c7e8..b1885db 100644 --- a/arch/powerpc/platforms/powernv/opal-rtc.c +++ b/arch/powerpc/platforms/powernv/opal-rtc.c @@ -18,6 +18,7 @@ #include #include +#include static void opal_to_tm(u32 y_m_d, u64 h_m_s_ms, struct rtc_time *tm) { @@ -48,8 +49,11 @@ unsigned long __init opal_get_boot_time(void) else mdelay(10); } - if (rc != OPAL_SUCCESS) + if (rc != OPAL_SUCCESS) { + ppc_md.get_rtc_time = NULL; + ppc_md.set_rtc_time = NULL; 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);