From mboxrd@z Thu Jan 1 00:00:00 1970 From: sameo@linux.intel.com (Samuel Ortiz) Date: Wed, 19 Sep 2012 18:02:51 +0200 Subject: [PATCH 3/4] mfd: dbx500: Provide a more accurate smp_twd clock In-Reply-To: <1346415691-13371-4-git-send-email-ulf.hansson@stericsson.com> References: <1346415691-13371-1-git-send-email-ulf.hansson@stericsson.com> <1346415691-13371-4-git-send-email-ulf.hansson@stericsson.com> Message-ID: <20120919160251.GM28670@sortiz-mobl> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Ulf, On Fri, Aug 31, 2012 at 02:21:30PM +0200, Ulf Hansson wrote: > From: Michel Jaouen > > The local timer clock is based on ARM subsystem clock. This patch > obtains a more exact value of that clock by reading PRCMU registers. > Using this increases the accuracy of the local timer events. > > Signed-off-by: Ulf Hansson > Signed-off-by: Rickard Andersson > Signed-off-by: Michel Jaouen > --- > drivers/mfd/db8500-prcmu.c | 42 ++++++++++++++++++++++++++++++++++++++ > drivers/mfd/dbx500-prcmu-regs.h | 4 +++- > include/linux/mfd/dbx500-prcmu.h | 1 + > 3 files changed, 46 insertions(+), 1 deletion(-) > > diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c > index 4f74529..e7f9539 100644 > --- a/drivers/mfd/db8500-prcmu.c > +++ b/drivers/mfd/db8500-prcmu.c > @@ -418,6 +418,9 @@ static struct { > > static atomic_t ac_wake_req_state = ATOMIC_INIT(0); > > +/* Functions definition */ > +static void compute_armss_rate(void); > + I'm not a big fan of forward declarations, but I still applied your patch to my for-next branch. Thanks. Cheers, Samuel. -- Intel Open Source Technology Centre http://oss.intel.com/