linux-kernel - Re: [PATCH 1/2] i2c: designware: register clkdev during acpi device configuration

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Message-ID: <1445389893.2483.3.camel@kxue-X58A-UD3R>
Date:	Wed, 21 Oct 2015 09:11:33 +0800
From:	Ken Xue <Ken.Xue@....com>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>
CC:	<baruch@...s.co.il>, <SPG_Linux_Kernel@....com>,
	<linux-i2c@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<stable@...r.kernel.org>
Subject: Re: [PATCH 1/2] i2c: designware: register clkdev during acpi device
 configuration

On Tue, 2015-10-20 at 14:17 +0300, Mika Westerberg wrote:
> On Tue, Oct 20, 2015 at 02:38:01PM +0800, Ken Xue wrote:
> > DW I2C driver tries to register a clk from id->driver_data as an
> > alternative way besides intel lpss. But code doesn't register the
> > clk to clkdev. So, devm_clk_get will fail during probe.
> > 
> > The patch can fix this issue.
> 
> Since you now have drivers/acpi/acpi_apd.c for AMD ACPI stuff, can you
> create the clock there just like we do for Intel stuff?
Sure. APD already creates the clock for AMD0010 as you expected. And the
next patch([PATCH 2/2] i2c: designware: remove freq definition for
"AMD0010" in acpi_device_id) is dropping the old way for getting freq.

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