linux-kernel - Re: [PATCH] misc/pch_phub: Enable UART clock setting by module parameter

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Message-ID: <CANKRQnimtFQapk-u_ipYYOqrVVavGBCqcAG6x82WNWCH_Jcdkw@mail.gmail.com>
Date:	Tue, 31 Jul 2012 19:36:49 +0900
From:	Tomoya MORINAGA <tomoya.rohm@...il.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] misc/pch_phub: Enable UART clock setting by module parameter

On Wed, Jul 25, 2012 at 10:31 PM, Arnd Bergmann <arnd@...db.de> wrote:
> What I think should work better here would be to use the clk API,
> so that the phub driver registers a 'struct clk' using
> (I assume) clk_register_divider_table().
> The UART driver would then call clk_get() to find that clk for
> the uart device and call clk_set_rate when it needs to change
> that clock in order to set a different baud rate.
>
> Does this make sense?
>

Thank you for your comments. This sounds good idea.
However, it seems the latest kernel doesn't have clk_register_divider_table().
Will the clk_register_divider_table function be applied soon ?

Thanks.

-- 
ROHM Co., Ltd.
tomoya
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