linux-kernel - Re: [PATCH 0/3] x86: enable common clk and add support for Lynxpoint clocks

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Message-ID: <20130115052723.GM13897@intel.com>
Date:	Tue, 15 Jan 2013 07:27:23 +0200
From:	Mika Westerberg <mika.westerberg@...ux.intel.com>
To:	linux-kernel@...r.kernel.org
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Len Brown <lenb@...nel.org>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Mike Turquette <mturquette@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Linus Walleij <linus.walleij@...aro.org>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	linux-acpi@...r.kernel.org
Subject: Re: [PATCH 0/3] x86: enable common clk and add support for Lynxpoint
 clocks

On Mon, Jan 14, 2013 at 04:46:25PM +0200, Mika Westerberg wrote:
> Hi all,
> 
> The discussion that lead to this patch series starts from the below thread:
> 
> 	http://thread.gmane.org/gmane.linux.kernel/1417691
> 
> In summary, there is no point in adding a special case code to the drivers
> in order to pass them a fixed clock rate, but instead x86 should just
> enable common clk subsystem and take advantage of it.
> 
> This has been proposed before by Mark Brown but for some reason it has not
> merged into x86 tree.
> 
> This series tries to do the same but in this time we have real users for
> the clk API.
> 
> [1/3] Enables the common clk framework on x86
> [2/3] Adds Intel Lynxpoint Low Power Subsystem specific clocks as platform
>       driver.
> [3/3] Creates the platform device for the LPSS clocks driver if we find out
>       that the Lynxpoint LPSS devices are available.
> 
> This series is based on Rafael's linux-pm/linux-next branch because there
> is a dependency to the ACPI scan rework by Rafael.

I meant that they apply on top of 3.8-rcX but in order to patch [2/3] to
work it needs to have the ACPI scan rework patches. Otherwise it is not
able to find the base addresses of the devices.
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