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[1/5] x86: stub out pmc function

Message ID 1464842009-21789-2-git-send-email-dbasehore@chromium.org (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Derek Basehore June 2, 2016, 4:33 a.m. UTC 
From: Derek Basehore <dbasehore@chromium.org>

This creates an inline function of intel_pmc_slp_s0_counter_read for
!CONFIG_INTEL_PMC_CORE.

Signed-off-by: Derek Basehore <dbasehore@chromium.org>
---
 arch/x86/include/asm/pmc_core.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
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Patch

diff --git a/arch/x86/include/asm/pmc_core.h b/arch/x86/include/asm/pmc_core.h
index d4855f1..786e526 100644
--- a/arch/x86/include/asm/pmc_core.h
+++ b/arch/x86/include/asm/pmc_core.h
@@ -22,6 +22,10 @@ 
 #define _ASM_PMC_CORE_H
 
 /* API to read SLP_S0_RESIDENCY counter */
-int intel_pmc_slp_s0_counter_read(u32 *data);
+#ifdef CONFIG_INTEL_PMC_CORE
+extern int intel_pmc_slp_s0_counter_read(u32 *data);
+#else
+static inline int intel_pmc_slp_s0_counter_read(u32 *data) { return -ENOSYS; }
+#endif
 
 #endif /* _ASM_PMC_CORE_H */