From: santosh.shilimkar@ti.com (Shilimkar, Santosh)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 7/8] OMAP4: clock: Add CPU local timer clock node.
Date: Fri, 30 Sep 2011 14:44:56 +0530 [thread overview]
Message-ID: <CAMQu2gzPyAObKwQ+CUXwseotJShA7Vfwb5AWPLzKPgx=NXjO-g@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1109291308060.26728@utopia.booyaka.com>
On Fri, Sep 30, 2011 at 12:42 AM, Paul Walmsley <paul@pwsan.com> wrote:
> Hi Santosh,
>
> On Thu, 8 Sep 2011, Santosh Shilimkar wrote:
>
>> Local timer clock is sourced from the CPU clock and hence changes
>> along with CPU clock. These per CPU local timers are used as
>> clock-events, so they need to be reconfigured on CPU frequency
>> change as part of CPUfreq governor.
>>
>> Newly introduced clockevents_reconfigure() needs to know the
>> twd clock-rate. Provide a clock-node to make clk_get_rate() work
>> for TWD.
>>
>> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
>> Cc: Paul Walmsley <paul@pwsan.com>
>> Cc: Kevin Hilman <khilman@ti.com>
>
> This clock looks like the ARM Cortex-A9 MPCore PERIPHCLK, correct? ?From
> ARM Cortex-A9 MPCore Technical Reference Manual (DDI 0407G) Section 5.1
> "Clocks"?
>
Yes. Peripheral clock/2
> Assuming that is so, I've modified this patch appropriately, and added
> support to the autogeneration script to generate this clock node.
> Care to take a quick look at it to make sure it's okay?
>
Thanks a lot Paul. It looks good.
Regards
Santosh
next prev parent reply other threads:[~2011-09-30 9:14 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-08 5:21 [PATCH 0/8] OMAP3/4: Misc fixes and clean-up Santosh Shilimkar
2011-09-08 5:22 ` [PATCH 1/8] OMAP: hwmod: Fix the addr spaces count API Santosh Shilimkar
2011-09-08 7:47 ` Cousson, Benoit
2011-09-08 5:22 ` [PATCH 2/8] OMAP: Improve register access in L3 Error handler Santosh Shilimkar
2011-09-08 5:22 ` [PATCH 3/8] OMAP: Fix a BUG in l3 error handler Santosh Shilimkar
2011-09-08 5:22 ` [PATCH 4/8] OMAP: Fix indentation issues " Santosh Shilimkar
2011-09-08 5:22 ` [PATCH 5/8] OMAP: Fix sparse warnings " Santosh Shilimkar
2011-09-08 5:22 ` [PATCH 6/8] OMAP: Print Initiator name for l3 custom error Santosh Shilimkar
2011-09-08 5:22 ` [PATCH 7/8] OMAP4: clock: Add CPU local timer clock node Santosh Shilimkar
2011-09-29 19:12 ` Paul Walmsley
2011-09-30 9:14 ` Shilimkar, Santosh [this message]
2011-09-29 21:30 ` Linus Walleij
2011-09-30 9:15 ` Shilimkar, Santosh
2011-12-08 23:02 ` Turquette, Mike
2011-12-12 8:15 ` Shilimkar, Santosh
2011-09-08 5:22 ` [PATCH 8/8] OMAP4: Fix the emif and dmm virtual mapping Santosh Shilimkar
2011-09-16 17:56 ` Kevin Hilman
2011-09-20 15:01 ` Santosh Shilimkar
2011-09-21 15:28 ` Santosh Shilimkar
2011-09-21 17:31 ` Kevin Hilman
2011-09-22 5:53 ` Shilimkar, Santosh
2011-09-24 6:03 ` [PATCH 0/8] OMAP3/4: Misc fixes and clean-up Santosh Shilimkar
2011-09-24 6:31 ` Paul Walmsley
2011-09-24 6:35 ` Santosh Shilimkar
2011-09-24 7:36 ` Paul Walmsley
2011-09-24 7:46 ` Santosh Shilimkar
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