From: Santosh Shilimkar <santosh.shilimkar@ti.com>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Colin Cross <ccross@android.com>,
catalin.marinas@arm.com, linus.ml.walleij@gmail.com,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: RE: [PATCH 3/5] ARM: twd: Add context save restore support
Date: Tue, 25 Jan 2011 21:44:26 +0530 [thread overview]
Message-ID: <cd8bd7fa6e0d5cd055d87b91875948b8@mail.gmail.com> (raw)
In-Reply-To: <20110125161316.GC17286@n2100.arm.linux.org.uk>
> -----Original Message-----
> From: Russell King - ARM Linux [mailto:linux@arm.linux.org.uk]
> Sent: Tuesday, January 25, 2011 9:43 PM
> To: Santosh Shilimkar
> Cc: Thomas Gleixner; Colin Cross; catalin.marinas@arm.com;
> linus.ml.walleij@gmail.com; linux-omap@vger.kernel.org; linux-arm-
> kernel@lists.infradead.org
> Subject: Re: [PATCH 3/5] ARM: twd: Add context save restore support
>
> On Tue, Jan 25, 2011 at 09:34:15PM +0530, Santosh Shilimkar wrote:
> > Russell, Thomas
> > > -----Original Message-----
> > > From: Russell King - ARM Linux [mailto:linux@arm.linux.org.uk]
> > > Sent: Tuesday, January 25, 2011 7:08 PM
> > > To: Thomas Gleixner
> > > Cc: Colin Cross; Santosh Shilimkar; catalin.marinas@arm.com;
> > > linus.ml.walleij@gmail.com; linux-omap@vger.kernel.org; linux-
> arm-
> > > kernel@lists.infradead.org
> > > Subject: Re: [PATCH 3/5] ARM: twd: Add context save restore
> support
> > >
> > [...]
> > >
> > > I can't say because these patches only add the hooks, there's no
> > > implementation yet which uses the hooks.
> > >
> > > Given the description about _why_ those hooks are necessary, it
> > > seems
> > > that something is required. Either we start adding custom hacks
> to
> > > each clockevent driver as is done with this patch, or we get
> some
> > > generic help in place.
> > >
> > > I'm not thrilled by the custom hack approach - and I thought the
> > > clockevent stuff was created to stop this kind of thing
> happening.
> > >
> > > I suggest we defer this until there's a visible use case
> available.
> > Got some time to debug this issue. OMAP idle code already has the
> > broad-cast notifiers working for sometime. So I removed the
> existing
> > save restore twd code and just used the below patch which Russell
> > posted on this thread.
> > And things just work and I guess we are done with this issue !!
> > Timer framework is doing all right things with notifiers.
> >
> > Am going to use this patch for my further work and drop the
> > save/restore patch. Will update you if there is any other
> > issue on this. I should have validated this patch on my own
> > earlier :(
> >
> > Thanks for the discussion.
>
> Thanks - I guess that's a tested-by then?
Sure.
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
WARNING: multiple messages have this Message-ID (diff)
From: santosh.shilimkar@ti.com (Santosh Shilimkar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/5] ARM: twd: Add context save restore support
Date: Tue, 25 Jan 2011 21:44:26 +0530 [thread overview]
Message-ID: <cd8bd7fa6e0d5cd055d87b91875948b8@mail.gmail.com> (raw)
In-Reply-To: <20110125161316.GC17286@n2100.arm.linux.org.uk>
> -----Original Message-----
> From: Russell King - ARM Linux [mailto:linux at arm.linux.org.uk]
> Sent: Tuesday, January 25, 2011 9:43 PM
> To: Santosh Shilimkar
> Cc: Thomas Gleixner; Colin Cross; catalin.marinas at arm.com;
> linus.ml.walleij at gmail.com; linux-omap at vger.kernel.org; linux-arm-
> kernel at lists.infradead.org
> Subject: Re: [PATCH 3/5] ARM: twd: Add context save restore support
>
> On Tue, Jan 25, 2011 at 09:34:15PM +0530, Santosh Shilimkar wrote:
> > Russell, Thomas
> > > -----Original Message-----
> > > From: Russell King - ARM Linux [mailto:linux at arm.linux.org.uk]
> > > Sent: Tuesday, January 25, 2011 7:08 PM
> > > To: Thomas Gleixner
> > > Cc: Colin Cross; Santosh Shilimkar; catalin.marinas at arm.com;
> > > linus.ml.walleij at gmail.com; linux-omap at vger.kernel.org; linux-
> arm-
> > > kernel at lists.infradead.org
> > > Subject: Re: [PATCH 3/5] ARM: twd: Add context save restore
> support
> > >
> > [...]
> > >
> > > I can't say because these patches only add the hooks, there's no
> > > implementation yet which uses the hooks.
> > >
> > > Given the description about _why_ those hooks are necessary, it
> > > seems
> > > that something is required. Either we start adding custom hacks
> to
> > > each clockevent driver as is done with this patch, or we get
> some
> > > generic help in place.
> > >
> > > I'm not thrilled by the custom hack approach - and I thought the
> > > clockevent stuff was created to stop this kind of thing
> happening.
> > >
> > > I suggest we defer this until there's a visible use case
> available.
> > Got some time to debug this issue. OMAP idle code already has the
> > broad-cast notifiers working for sometime. So I removed the
> existing
> > save restore twd code and just used the below patch which Russell
> > posted on this thread.
> > And things just work and I guess we are done with this issue !!
> > Timer framework is doing all right things with notifiers.
> >
> > Am going to use this patch for my further work and drop the
> > save/restore patch. Will update you if there is any other
> > issue on this. I should have validated this patch on my own
> > earlier :(
> >
> > Thanks for the discussion.
>
> Thanks - I guess that's a tested-by then?
Sure.
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
next prev parent reply other threads:[~2011-01-25 16:14 UTC|newest]
Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-24 8:51 [PATCH 0/5] ARM: Few patches for PM enablement Santosh Shilimkar
2011-01-24 8:51 ` Santosh Shilimkar
2011-01-24 8:51 ` [PATCH 1/5] ARM: gic: Add hooks for architecture specific extensions Santosh Shilimkar
2011-01-24 8:51 ` Santosh Shilimkar
2011-01-25 3:03 ` Colin Cross
2011-01-25 3:03 ` Colin Cross
2011-01-25 20:54 ` Colin Cross
2011-01-25 20:54 ` Colin Cross
2011-01-26 7:22 ` Santosh Shilimkar
2011-01-26 7:22 ` Santosh Shilimkar
2011-01-26 7:23 ` Colin Cross
2011-01-26 7:23 ` Colin Cross
2011-01-26 7:31 ` Santosh Shilimkar
2011-01-26 7:31 ` Santosh Shilimkar
2011-01-26 7:52 ` Colin Cross
2011-01-26 7:52 ` Colin Cross
2011-01-26 7:55 ` Santosh Shilimkar
2011-01-26 7:55 ` Santosh Shilimkar
2011-01-24 8:51 ` [PATCH 2/5] ARM: gic: Add distributor and interface enable/disable accessory api Santosh Shilimkar
2011-01-24 8:51 ` Santosh Shilimkar
2011-03-01 5:58 ` Santosh Shilimkar
2011-03-01 5:58 ` Santosh Shilimkar
2011-01-24 8:51 ` [PATCH 3/5] ARM: twd: Add context save restore support Santosh Shilimkar
2011-01-24 8:51 ` Santosh Shilimkar
2011-01-24 11:06 ` Russell King - ARM Linux
2011-01-24 11:06 ` Russell King - ARM Linux
2011-01-24 11:11 ` Russell King - ARM Linux
2011-01-24 11:11 ` Russell King - ARM Linux
2011-01-24 11:16 ` Santosh Shilimkar
2011-01-24 11:16 ` Santosh Shilimkar
2011-01-25 7:39 ` Colin Cross
2011-01-25 7:39 ` Colin Cross
2011-01-25 10:32 ` Russell King - ARM Linux
2011-01-25 10:32 ` Russell King - ARM Linux
2011-01-25 13:23 ` Thomas Gleixner
2011-01-25 13:23 ` Thomas Gleixner
2011-01-25 13:37 ` Russell King - ARM Linux
2011-01-25 13:37 ` Russell King - ARM Linux
2011-01-25 13:55 ` Santosh Shilimkar
2011-01-25 13:55 ` Santosh Shilimkar
2011-01-25 14:12 ` Thomas Gleixner
2011-01-25 14:12 ` Thomas Gleixner
2011-01-25 14:15 ` Russell King - ARM Linux
2011-01-25 14:15 ` Russell King - ARM Linux
2011-01-25 14:24 ` Thomas Gleixner
2011-01-25 14:24 ` Thomas Gleixner
2011-01-25 16:04 ` Santosh Shilimkar
2011-01-25 16:04 ` Santosh Shilimkar
2011-01-25 16:13 ` Russell King - ARM Linux
2011-01-25 16:13 ` Russell King - ARM Linux
2011-01-25 16:14 ` Santosh Shilimkar [this message]
2011-01-25 16:14 ` Santosh Shilimkar
2011-01-25 11:29 ` Russell King - ARM Linux
2011-01-25 11:29 ` Russell King - ARM Linux
2011-01-25 11:40 ` Santosh Shilimkar
2011-01-25 11:40 ` Santosh Shilimkar
2011-01-25 11:48 ` Russell King - ARM Linux
2011-01-25 11:48 ` Russell King - ARM Linux
2011-01-25 12:08 ` Santosh Shilimkar
2011-01-25 12:08 ` Santosh Shilimkar
2011-01-25 12:17 ` Russell King - ARM Linux
2011-01-25 12:17 ` Russell King - ARM Linux
2011-01-25 12:20 ` Santosh Shilimkar
2011-01-25 12:20 ` Santosh Shilimkar
2011-01-25 18:44 ` Colin Cross
2011-01-25 18:44 ` Colin Cross
2011-01-24 11:14 ` Santosh Shilimkar
2011-01-24 11:14 ` Santosh Shilimkar
2011-01-24 8:51 ` [PATCH 4/5] ARM: scu: Move register defines to header file Santosh Shilimkar
2011-01-24 8:51 ` Santosh Shilimkar
2011-01-25 11:46 ` Russell King - ARM Linux
2011-01-25 11:46 ` Russell King - ARM Linux
2011-01-25 12:02 ` Santosh Shilimkar
2011-01-25 12:02 ` Santosh Shilimkar
2011-01-25 12:16 ` Russell King - ARM Linux
2011-01-25 12:16 ` Russell King - ARM Linux
2011-01-25 12:29 ` Russell King - ARM Linux
2011-01-25 12:29 ` Russell King - ARM Linux
2011-01-25 12:39 ` Santosh Shilimkar
2011-01-25 12:39 ` Santosh Shilimkar
2011-01-25 12:36 ` Santosh Shilimkar
2011-01-25 12:36 ` Santosh Shilimkar
2011-01-25 12:56 ` Russell King - ARM Linux
2011-01-25 12:56 ` Russell King - ARM Linux
2011-01-25 13:04 ` Russell King - ARM Linux
2011-01-25 13:04 ` Russell King - ARM Linux
2011-01-25 13:06 ` Russell King - ARM Linux
2011-01-25 13:06 ` Russell King - ARM Linux
2011-01-25 18:23 ` Santosh Shilimkar
2011-01-25 18:23 ` Santosh Shilimkar
2011-02-04 10:41 ` Russell King - ARM Linux
2011-02-04 10:41 ` Russell King - ARM Linux
2011-02-04 10:46 ` Santosh Shilimkar
2011-02-04 10:46 ` Santosh Shilimkar
2011-02-04 11:30 ` Russell King - ARM Linux
2011-02-04 11:30 ` Russell King - ARM Linux
2011-02-04 11:34 ` Santosh Shilimkar
2011-02-04 11:34 ` Santosh Shilimkar
2011-02-07 9:51 ` Santosh Shilimkar
2011-02-07 9:51 ` Santosh Shilimkar
2011-02-07 10:18 ` Russell King - ARM Linux
2011-02-07 10:18 ` Russell King - ARM Linux
2011-02-07 10:21 ` Santosh Shilimkar
2011-02-07 10:21 ` Santosh Shilimkar
2011-02-07 10:23 ` Russell King - ARM Linux
2011-02-07 10:23 ` Russell King - ARM Linux
2011-02-07 10:30 ` Santosh Shilimkar
2011-02-07 10:30 ` Santosh Shilimkar
2011-02-10 14:49 ` Santosh Shilimkar
2011-02-10 14:49 ` Santosh Shilimkar
2011-02-10 16:13 ` Russell King - ARM Linux
2011-02-10 16:13 ` Russell King - ARM Linux
2011-02-10 16:26 ` Santosh Shilimkar
2011-02-10 16:26 ` Santosh Shilimkar
2011-01-25 13:05 ` Santosh Shilimkar
2011-01-25 13:05 ` Santosh Shilimkar
2011-01-25 13:41 ` Russell King - ARM Linux
2011-01-25 13:41 ` Russell King - ARM Linux
2011-01-25 13:47 ` Santosh Shilimkar
2011-01-25 13:47 ` Santosh Shilimkar
2011-01-24 8:51 ` [PATCH 5/5] ARM: smp: Skip secondary cpu calibration to speed-up boot Santosh Shilimkar
2011-01-24 8:51 ` Santosh Shilimkar
2011-01-24 10:30 ` Russell King - ARM Linux
2011-01-24 10:30 ` Russell King - ARM Linux
2011-01-24 8:51 ` Santosh Shilimkar
2011-01-24 8:51 ` Santosh Shilimkar
2011-01-24 8:55 ` Santosh Shilimkar
2011-01-24 8:55 ` Santosh Shilimkar
2011-02-04 10:19 ` [PATCH 0/5] ARM: Few patches for PM enablement Santosh Shilimkar
2011-02-04 10:19 ` Santosh Shilimkar
2011-02-11 14:24 ` Santosh Shilimkar
2011-02-11 14:24 ` Santosh Shilimkar
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