linux-kernel - [PATCH v2] hpet: drop stale link

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Date:	Thu, 11 Feb 2016 01:05:01 +0200
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Clemens Ladisch <clemens@...isch.de>,
	Jonathan Corbet <corbet@....net>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-doc@...r.kernel.org
Subject: [PATCH v2] hpet: drop stale link

Looks like the HPET spec at intel.com got moved.
It isn't hard to find so drop the link, just mention
the revision assumed.

Suggested-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
---

Changes from v1:
	actually drop the links, just say "revision 1"
	in case a new one ever comes out.

 drivers/char/hpet.c           | 2 +-
 Documentation/timers/hpet.txt | 4 +---
 arch/x86/Kconfig              | 4 ++--
 3 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 240b6cf..be54e53 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -42,7 +42,7 @@
 /*
  * The High Precision Event Timer driver.
  * This driver is closely modelled after the rtc.c driver.
- * http://www.intel.com/hardwaredesign/hpetspec_1.pdf
+ * See HPET spec revision 1.
  */
 #define	HPET_USER_FREQ	(64)
 #define	HPET_DRIFT	(500)
diff --git a/Documentation/timers/hpet.txt b/Documentation/timers/hpet.txt
index 767392f..a484d2c 100644
--- a/Documentation/timers/hpet.txt
+++ b/Documentation/timers/hpet.txt
@@ -1,9 +1,7 @@
 		High Precision Event Timer Driver for Linux
 
 The High Precision Event Timer (HPET) hardware follows a specification
-by Intel and Microsoft which can be found at
-
-	http://www.intel.com/hardwaredesign/hpetspec_1.pdf
+by Intel and Microsoft, revision 1.
 
 Each HPET has one fixed-rate counter (at 10+ MHz, hence "High Precision")
 and up to 32 comparators.  Normally three or more comparators are provided,
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 9af2e63..ae79bab 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -777,8 +777,8 @@ config HPET_TIMER
 	  HPET is the next generation timer replacing legacy 8254s.
 	  The HPET provides a stable time base on SMP
 	  systems, unlike the TSC, but it is more expensive to access,
-	  as it is off-chip.  You can find the HPET spec at
-	  <http://www.intel.com/hardwaredesign/hpetspec_1.pdf>.
+	  as it is off-chip.  The interface used is documented
+	  in the HPET spec, revision 1.
 
 	  You can safely choose Y here.  However, HPET will only be
 	  activated if the platform and the BIOS support this feature.
-- 
MST