diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2016-02-11 00:05:01 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-17 09:39:56 +0100 |
| commit | 4e7f9df25874cedbbc604a5c5c2e7a6efe662387 (patch) | |
| tree | eeac2e470c9f0c11934fafe8d6b3d3eda31120c9 | |
| parent | x86/uaccess/64: Handle the caching of 4-byte nocache copies properly in __cop... (diff) | |
| download | linux-4e7f9df25874cedbbc604a5c5c2e7a6efe662387.tar.xz linux-4e7f9df25874cedbbc604a5c5c2e7a6efe662387.zip | |
hpet: Drop stale URLs
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@linutronix.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Clemens Ladisch <clemens@ladisch.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-doc@vger.kernel.org
Link: http://lkml.kernel.org/r/1455145462-3877-1-git-send-email-mst@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | Documentation/timers/hpet.txt | 4 | ||||
| -rw-r--r-- | arch/x86/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/char/hpet.c | 2 |
3 files changed, 4 insertions, 6 deletions
diff --git a/Documentation/timers/hpet.txt b/Documentation/timers/hpet.txt index 767392ffd31e..a484d2c109d7 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 ab2ed5328f0a..c46662f64c39 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -778,8 +778,8 @@ 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. diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 240b6cf1d97c..be54e5331a45 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) |