From: Santosh Shilimkar <santosh.shilimkar@ti.com>
To: Afzal Mohammed <afzal@ti.com>
Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
devicetree-discuss@lists.ozlabs.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org,
Russell King <linux@arm.linux.org.uk>,
Tony Lindgren <tony@atomide.com>,
Marc Zyngier <marc.zyngier@arm.com>,
Nicolas Pitre <nico@linaro.org>,
Will Deacon <will.deacon@arm.com>,
Linus Walleij <linus.walleij@linaro.org>,
Rob Herring <rob.herring@calxeda.com>,
Grant Likely <grant.likely@secretlab.ca>,
Rob Landley <rob@landley.net>, Sekhar Nori <nsekhar@ti.com>,
Syed Mohammed Khasim <khasim@ti.com>
Subject: Re: [PATCH, RFC 3/8] ARM: twd: clock rate from DT (if no DT clk tree)
Date: Tue, 19 Feb 2013 15:48:27 +0530 [thread overview]
Message-ID: <51235173.5020000@ti.com> (raw)
In-Reply-To: <94cb377171f84ceefd667aead4602d70adab6619.1361186097.git.afzal@ti.com>
On Monday 18 February 2013 05:07 PM, Afzal Mohammed wrote:
> Add an optional property to find clock-frequency from DT. This helps
> as a fallback mechanism in case there is no representation of clock
> tree in DT.
>
> Signed-off-by: Afzal Mohammed <afzal@ti.com>
> ---
This won't work always because twd clock is CPU dependent and changes
with CPU clock speed. And more importantly to get CPUFreq working, you
need to provide the correct clock-node to TWD library. Refer OMAP4 clock
data for reference.
Regards,
Santosh
WARNING: multiple messages have this Message-ID (diff)
From: santosh.shilimkar@ti.com (Santosh Shilimkar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH, RFC 3/8] ARM: twd: clock rate from DT (if no DT clk tree)
Date: Tue, 19 Feb 2013 15:48:27 +0530 [thread overview]
Message-ID: <51235173.5020000@ti.com> (raw)
In-Reply-To: <94cb377171f84ceefd667aead4602d70adab6619.1361186097.git.afzal@ti.com>
On Monday 18 February 2013 05:07 PM, Afzal Mohammed wrote:
> Add an optional property to find clock-frequency from DT. This helps
> as a fallback mechanism in case there is no representation of clock
> tree in DT.
>
> Signed-off-by: Afzal Mohammed <afzal@ti.com>
> ---
This won't work always because twd clock is CPU dependent and changes
with CPU clock speed. And more importantly to get CPUFreq working, you
need to provide the correct clock-node to TWD library. Refer OMAP4 clock
data for reference.
Regards,
Santosh
WARNING: multiple messages have this Message-ID (diff)
From: Santosh Shilimkar <santosh.shilimkar@ti.com>
To: Afzal Mohammed <afzal@ti.com>
Cc: <linux-omap@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree-discuss@lists.ozlabs.org>,
<linux-doc@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
Russell King <linux@arm.linux.org.uk>,
Tony Lindgren <tony@atomide.com>,
Marc Zyngier <marc.zyngier@arm.com>,
Nicolas Pitre <nico@linaro.org>,
Will Deacon <will.deacon@arm.com>,
Linus Walleij <linus.walleij@linaro.org>,
Rob Herring <rob.herring@calxeda.com>,
Grant Likely <grant.likely@secretlab.ca>,
Rob Landley <rob@landley.net>, Sekhar Nori <nsekhar@ti.com>,
Syed Mohammed Khasim <khasim@ti.com>
Subject: Re: [PATCH, RFC 3/8] ARM: twd: clock rate from DT (if no DT clk tree)
Date: Tue, 19 Feb 2013 15:48:27 +0530 [thread overview]
Message-ID: <51235173.5020000@ti.com> (raw)
In-Reply-To: <94cb377171f84ceefd667aead4602d70adab6619.1361186097.git.afzal@ti.com>
On Monday 18 February 2013 05:07 PM, Afzal Mohammed wrote:
> Add an optional property to find clock-frequency from DT. This helps
> as a fallback mechanism in case there is no representation of clock
> tree in DT.
>
> Signed-off-by: Afzal Mohammed <afzal@ti.com>
> ---
This won't work always because twd clock is CPU dependent and changes
with CPU clock speed. And more importantly to get CPUFreq working, you
need to provide the correct clock-node to TWD library. Refer OMAP4 clock
data for reference.
Regards,
Santosh
next prev parent reply other threads:[~2013-02-19 10:18 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-18 11:35 [PATCH, RFC 0/8] ARM: AM43 (OMAP2+) boot support Afzal Mohammed
2013-02-18 11:35 ` Afzal Mohammed
2013-02-18 11:35 ` Afzal Mohammed
2013-02-18 11:36 ` [PATCH, RFC 1/8] ARM: localtimer: return percpu clkevt on register Afzal Mohammed
2013-02-18 11:36 ` Afzal Mohammed
2013-02-18 11:36 ` Afzal Mohammed
2013-02-19 10:22 ` Santosh Shilimkar
2013-02-19 10:22 ` Santosh Shilimkar
2013-02-19 10:22 ` Santosh Shilimkar
[not found] ` <e7cbb10903841ba23a93f71e7a06ae34a43adc70.1361186097.git.afzal-l0cyMroinI0@public.gmane.org>
2013-02-19 12:10 ` Felipe Balbi
2013-02-19 12:10 ` Felipe Balbi
2013-02-19 12:10 ` Felipe Balbi
2013-02-18 11:37 ` [PATCH, RFC 2/8] ARM: twd: register clock event for 1 core SMP Afzal Mohammed
2013-02-18 11:37 ` Afzal Mohammed
2013-02-18 11:37 ` Afzal Mohammed
2013-02-19 10:14 ` Santosh Shilimkar
2013-02-19 10:14 ` Santosh Shilimkar
2013-02-19 10:14 ` Santosh Shilimkar
2013-02-19 12:14 ` Felipe Balbi
2013-02-19 12:14 ` Felipe Balbi
2013-02-19 12:14 ` Felipe Balbi
[not found] ` <20130219121400.GP23197-S8G//mZuvNWo5Im9Ml3/Zg@public.gmane.org>
2013-02-19 12:20 ` Santosh Shilimkar
2013-02-19 12:20 ` Santosh Shilimkar
2013-02-19 12:20 ` Santosh Shilimkar
2013-02-18 11:37 ` [PATCH, RFC 4/8] ARM: am33xx: ll debug config help Afzal Mohammed
2013-02-18 11:37 ` Afzal Mohammed
2013-02-18 11:37 ` Afzal Mohammed
2013-02-19 10:25 ` Santosh Shilimkar
2013-02-19 10:25 ` Santosh Shilimkar
2013-02-19 10:25 ` Santosh Shilimkar
2013-02-19 10:30 ` Mohammed, Afzal
2013-02-19 10:30 ` Mohammed, Afzal
2013-02-19 10:30 ` Mohammed, Afzal
2013-02-19 11:02 ` Santosh Shilimkar
2013-02-19 11:02 ` Santosh Shilimkar
[not found] ` <cover.1361186097.git.afzal-l0cyMroinI0@public.gmane.org>
2013-02-18 11:37 ` [PATCH, RFC 3/8] ARM: twd: clock rate from DT (if no DT clk tree) Afzal Mohammed
2013-02-18 11:37 ` Afzal Mohammed
2013-02-18 11:37 ` Afzal Mohammed
2013-02-19 10:18 ` Santosh Shilimkar [this message]
2013-02-19 10:18 ` Santosh Shilimkar
2013-02-19 10:18 ` Santosh Shilimkar
2013-02-18 11:38 ` [PATCH, RFC 5/8] ARM: OMAP2+: am43: Kconfig Afzal Mohammed
2013-02-18 11:38 ` Afzal Mohammed
2013-02-18 11:38 ` Afzal Mohammed
2013-02-19 10:27 ` Santosh Shilimkar
2013-02-19 10:27 ` Santosh Shilimkar
2013-02-19 10:27 ` Santosh Shilimkar
[not found] ` <5123537B.8050709-l0cyMroinI0@public.gmane.org>
2013-02-19 10:56 ` Felipe Balbi
2013-02-19 10:56 ` Felipe Balbi
2013-02-19 10:56 ` Felipe Balbi
2013-02-19 11:01 ` Santosh Shilimkar
2013-02-19 11:01 ` Santosh Shilimkar
2013-02-19 11:01 ` Santosh Shilimkar
2013-02-18 11:38 ` [PATCH, RFC 6/8] ARM: OMAP2+: am43: basic dt support Afzal Mohammed
2013-02-18 11:38 ` Afzal Mohammed
2013-02-18 11:38 ` Afzal Mohammed
2013-02-19 10:32 ` Santosh Shilimkar
2013-02-19 10:32 ` Santosh Shilimkar
2013-02-19 10:32 ` Santosh Shilimkar
2013-02-18 11:38 ` [PATCH, RFC 7/8] ARM: dts: am4372: initial support Afzal Mohammed
2013-02-18 11:38 ` Afzal Mohammed
2013-02-18 11:38 ` Afzal Mohammed
2013-02-18 18:22 ` Felipe Balbi
2013-02-18 18:22 ` Felipe Balbi
2013-02-18 18:22 ` Felipe Balbi
2013-02-19 9:10 ` Mohammed, Afzal
2013-02-19 9:10 ` Mohammed, Afzal
2013-02-19 9:10 ` Mohammed, Afzal
[not found] ` <C8443D0743D26F4388EA172BF4E2A7A93EAA85B2-Er742YJ7I/eIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2013-02-19 9:17 ` Felipe Balbi
2013-02-19 9:17 ` Felipe Balbi
2013-02-19 9:17 ` Felipe Balbi
2013-02-18 11:38 ` [PATCH, RFC 8/8] ARM: dts: am43-pre-silicon support Afzal Mohammed
2013-02-18 11:38 ` Afzal Mohammed
2013-02-18 11:38 ` Afzal Mohammed
2013-02-19 10:35 ` Santosh Shilimkar
2013-02-19 10:35 ` Santosh Shilimkar
2013-02-19 10:35 ` Santosh Shilimkar
2013-02-19 10:52 ` Mohammed, Afzal
2013-02-19 10:52 ` Mohammed, Afzal
2013-02-19 10:52 ` Mohammed, Afzal
[not found] ` <C8443D0743D26F4388EA172BF4E2A7A93EAA86DE-Er742YJ7I/eIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2013-02-19 11:00 ` Santosh Shilimkar
2013-02-19 11:00 ` Santosh Shilimkar
2013-02-19 11:00 ` Santosh Shilimkar
2013-02-19 11:03 ` Mohammed, Afzal
2013-02-19 11:03 ` Mohammed, Afzal
2013-02-19 11:03 ` Mohammed, Afzal
2013-02-19 11:11 ` Santosh Shilimkar
2013-02-19 11:11 ` Santosh Shilimkar
2013-02-19 10:09 ` [PATCH, RFC 0/8] ARM: AM43 (OMAP2+) boot support Santosh Shilimkar
2013-02-19 10:09 ` Santosh Shilimkar
2013-02-19 10:09 ` Santosh Shilimkar
2013-02-19 11:24 ` Mohammed, Afzal
2013-02-19 11:24 ` Mohammed, Afzal
2013-02-19 11:24 ` Mohammed, Afzal
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