clocksource: Change __ARCH_HAS_CLOCKSOURCE_DATA to a CONFIG option

The machinery for __ARCH_HAS_CLOCKSOURCE_DATA assumed a file in
asm-generic would be the default for architectures without their own
file in asm/, but that is not how it works.

Replace it with a Kconfig option instead.

Link: http://lkml.kernel.org/r/4E288AA6.7090804@zytor.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Andy Lutomirski <luto@mit.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Tony Luck <tony.luck@intel.com>

2 files changed, 3 insertions, 5 deletions

diff --git a/include/asm-generic/clocksource.h b/include/asm-generic/clocksource.h
deleted file mode 100644
index 0a462d3fb05e..000000000000
--- a/include/asm-generic/clocksource.h
+++ /dev/null
@@ -1,4 +0,0 @@
-/*
- * Architectures should override this file to add private userspace
- * clock magic if needed.
- */
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 6bb69702c4fa..59ee970cf89e 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -22,7 +22,9 @@
 typedef u64 cycle_t;
 struct clocksource;
 
+#ifdef CONFIG_ARCH_CLOCKSOURCE_DATA
 #include <asm/clocksource.h>
+#endif
 
 /**
  * struct cyclecounter - hardware abstraction for a free running counter
@@ -171,7 +173,7 @@ struct clocksource {
         u32 shift;
         u64 max_idle_ns;
 
-#ifdef __ARCH_HAS_CLOCKSOURCE_DATA
+#ifdef CONFIG_ARCH_CLOCKSOURCE_DATA
         struct arch_clocksource_data archdata;
 #endif