From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: John Stultz <john.stultz@linaro.org>
Cc: Feng Tang <feng.tang@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Alessandro Zummo <a.zummo@towertech.it>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/3] timekeeping: Add CONFIG_HAS_PERSISTENT_CLOCK option
Date: Tue, 22 Jan 2013 12:44:33 -0700 [thread overview]
Message-ID: <20130122194433.GG30647@obsidianresearch.com> (raw)
In-Reply-To: <50F5B2FA.6030006@linaro.org>
On Tue, Jan 15, 2013 at 11:50:18AM -0800, John Stultz wrote:
> On 01/15/2013 08:09 AM, Feng Tang wrote:
> >Make the persistent clock check a kernel config option, so that some
> >platform can explicitely select it, also make CONFIG_RTC_HCTOSYS depends
> >on its non-existence, which could prevent the persistent clock and RTC
> >code from doing similar thing twice during system's init/suspend/resume
> >phases.
> >
> >If the CONFIG_HAS_PERSISTENT_CLOCK=n, then no change happens for kernel
> >which still does the persistent clock check in timekeeping_init().
> >
> >Cc: Thomas Gleixner <tglx@linutronix.de>
> >Suggested-by: John Stultz <john.stultz@linaro.org>
> >Signed-off-by: Feng Tang <feng.tang@intel.com>
>
> Applied. I also added a dependency for Jason's CONFIG_RTC_SYSTOHC.
Sort of an ugly config name, since I gather ARM should always set this
to 'n'...
CONFIG_USE_ONLY_PERSISTENT_CLOCK ?
Cheers,
Jason
next prev parent reply other threads:[~2013-01-22 19:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-15 16:09 [PATCH v2 1/3] timekeeping: Add persistent_clock_exist flag Feng Tang
2013-01-15 16:09 ` [PATCH v2 2/3] rtc: Skip the suspend/resume handling if persistent clock exist Feng Tang
2013-01-15 19:49 ` John Stultz
2013-01-15 16:09 ` [PATCH v2 3/3] timekeeping: Add CONFIG_HAS_PERSISTENT_CLOCK option Feng Tang
2013-01-15 19:50 ` John Stultz
2013-01-22 19:44 ` Jason Gunthorpe [this message]
2013-01-22 19:49 ` John Stultz
2013-01-26 1:07 ` John Stultz
2013-01-15 19:48 ` [PATCH v2 1/3] timekeeping: Add persistent_clock_exist flag John Stultz
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