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| author |   Michael Neuling <mikey@neuling.org> | 2013-11-29 14:22:48 +1100 |
|---|---|---|
| committer |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-12-05 16:08:22 +1100 |
| commit | 2c49195b6aedd21ff1cd1e095fab9866fba3411b (patch) | |
| tree | 1ae7a913b17bba36135416b69caff5420e0ff283 /arch/powerpc/platforms/powernv/opal-rtc.c | |
| parent | powerpc: Add real mode cache inhibited IO accessors (diff) | |
| download | linux-dev-2c49195b6aedd21ff1cd1e095fab9866fba3411b.tar.xz linux-dev-2c49195b6aedd21ff1cd1e095fab9866fba3411b.zip | |
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 <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-rtc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-rtc.c b/arch/powerpc/platforms/powernv/opal-rtc.c index 7d07c7e80ec0..b1885db8fdf3 100644 --- a/arch/powerpc/platforms/powernv/opal-rtc.c +++ b/arch/powerpc/platforms/powernv/opal-rtc.c @@ -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); |