[RFC PATCH 10/23] x86/hpet: Relocate flag definitions to a header file

Ricardo Neri ricardo.neri-calderon at linux.intel.com
Wed Jun 13 10:57:30 AEST 2018


Users of HPET timers (such as the hardlockup detector) need the definitions
of these flags to interpret the configuration of a timer as passed by
platform code.

Cc: Ashok Raj <ashok.raj at intel.com>
Cc: Andi Kleen <andi.kleen at intel.com>
Cc: Tony Luck <tony.luck at intel.com>
Cc: Borislav Petkov <bp at suse.de>
Cc: Jacob Pan <jacob.jun.pan at intel.com>
Cc: Clemens Ladisch <clemens at ladisch.de>
Cc: Arnd Bergmann <arnd at arndb.de>
Cc: Philippe Ombredanne <pombredanne at nexb.com>
Cc: Kate Stewart <kstewart at linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki at intel.com>
Cc: "Ravi V. Shankar" <ravi.v.shankar at intel.com>
Cc: x86 at kernel.org
Cc: iommu at lists.linux-foundation.org
Signed-off-by: Ricardo Neri <ricardo.neri-calderon at linux.intel.com>
---
 arch/x86/include/asm/hpet.h | 6 ++++++
 arch/x86/kernel/hpet.c      | 6 ------
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h
index 3266796..9fd112a 100644
--- a/arch/x86/include/asm/hpet.h
+++ b/arch/x86/include/asm/hpet.h
@@ -64,6 +64,12 @@
 /* Timer used for the hardlockup detector */
 #define HPET_WD_TIMER_NR 2
 
+#define HPET_DEV_USED_BIT		2
+#define HPET_DEV_USED			(1 << HPET_DEV_USED_BIT)
+#define HPET_DEV_VALID			0x8
+#define HPET_DEV_FSB_CAP		0x1000
+#define HPET_DEV_PERI_CAP		0x2000
+
 /* hpet memory map physical address */
 extern unsigned long hpet_address;
 extern unsigned long force_hpet_address;
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index b03faee..99d4972 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -24,12 +24,6 @@
    NSEC = 10^-9 */
 #define FSEC_PER_NSEC			1000000L
 
-#define HPET_DEV_USED_BIT		2
-#define HPET_DEV_USED			(1 << HPET_DEV_USED_BIT)
-#define HPET_DEV_VALID			0x8
-#define HPET_DEV_FSB_CAP		0x1000
-#define HPET_DEV_PERI_CAP		0x2000
-
 #define HPET_MIN_CYCLES			128
 #define HPET_MIN_PROG_DELTA		(HPET_MIN_CYCLES + (HPET_MIN_CYCLES >> 1))
 
-- 
2.7.4



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