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From: Paul Mundt <lethal@linux-sh.org>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH] sh: clock-cpg div4 set_rate() shift fix
Date: Mon, 22 Feb 2010 10:15:57 +0000	[thread overview]
Message-ID: <20100222101557.GC1417@linux-sh.org> (raw)
In-Reply-To: <20100219091200.472.86301.sendpatchset@t400s>

On Fri, Feb 19, 2010 at 06:12:00PM +0900, Magnus Damm wrote:
> Make sure the div4 bitfield is shifted according
> to the enable_bit value in sh_clk_div4_set_rate().

On Fri, Feb 19, 2010 at 06:22:25PM +0900, Magnus Damm wrote:
> This patch introduces struct clk_div4_table. The structure
> will be used to keep div4 specific data, and is with this
> patch replacing the struct clk_div_mult_table pointer arg
> used by the sh_clk_div4_register() functions.

On Fri, Feb 19, 2010 at 06:26:56PM +0900, Magnus Damm wrote:
> This patch adds a ->kick() callback to clk_div4_table
> and ties it into sh_clk_div4_set_rate(). A sh7724
> specific kick function is also added that updates the
> KICK bit whenever div4 clocks in FRQCRA and FRQCRB
> have been set. Allows us to set the VPU clock.

On Fri, Feb 19, 2010 at 06:33:47PM +0900, Magnus Damm wrote:
> Update the sh7724 processor code to always enable vpu_clk.
> 
> On the Ecovec board, set the vpu_clk to 166 Mhz.
> 
> The 166MHz setting results in a divide-by-6 setup for
> vpu_clk and improves the VPU performance compared to the
> power-on-reset/bootloader configuration.

All applied, thanks.

      reply	other threads:[~2010-02-22 10:15 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-19  9:12 [PATCH] sh: clock-cpg div4 set_rate() shift fix Magnus Damm
2010-02-22 10:15 ` Paul Mundt [this message]

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