Commit-ID: 4e7f9df25874cedbbc604a5c5c2e7a6efe662387 Gitweb: http://git.kernel.org/tip/4e7f9df25874cedbbc604a5c5c2e7a6efe662387 Author: Michael S. Tsirkin <m...@redhat.com> AuthorDate: Thu, 11 Feb 2016 01:05:01 +0200 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Wed, 17 Feb 2016 09:39:56 +0100
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 <t...@linutronix.de> Signed-off-by: Michael S. Tsirkin <m...@redhat.com> Acked-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> Cc: Arnd Bergmann <a...@arndb.de> Cc: Clemens Ladisch <clem...@ladisch.de> Cc: Jonathan Corbet <cor...@lwn.net> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: linux-...@vger.kernel.org Link: http://lkml.kernel.org/r/1455145462-3877-1-git-send-email-...@redhat.com Signed-off-by: Ingo Molnar <mi...@kernel.org> --- Documentation/timers/hpet.txt | 4 +--- arch/x86/Kconfig | 4 ++-- 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 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 ab2ed53..c46662f 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 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)
