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Commit 2c49195b authored by Michael Neuling's avatar Michael Neuling Committed by Benjamin Herrenschmidt
Browse files

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: default avatarMichael Neuling <mikey@neuling.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 0150a3dd

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

+5 −1
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 


#include <asm/opal.h>

#include <asm/firmware.h>

#include <asm/machdep.h>



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);