Re: [PATCH v6 2/3] clk: introduce the common clock framework

[Turquette, Mike]

On Tue, Mar 13, 2012 at 2:48 PM, Rob Herring <robherring2@xxxxxxxxx> wrote:
> Mike,
>
> On 03/10/2012 01:54 AM, Mike Turquette wrote:
>> The common clock framework defines a common struct clk useful across
>> most platforms as well as an implementation of the clk api that drivers
>> can use safely for managing clocks.
>>
>> The net result is consolidation of many different struct clk definitions
>> and platform-specific clock framework implementations.
>>
>> This patch introduces the common struct clk, struct clk_ops and an
>> implementation of the well-known clock api in include/clk/clk.h.
>> Platforms may define their own hardware-specific clock structure and
>> their own clock operation callbacks, so long as it wraps an instance of
>> struct clk_hw.
>>
>> See Documentation/clk.txt for more details.
>>
>> This patch is based on the work of Jeremy Kerr, which in turn was based
>> on the work of Ben Herrenschmidt.
>>
>> Signed-off-by: Mike Turquette <mturquette@xxxxxxxxxx>
>> Signed-off-by: Mike Turquette <mturquette@xxxxxx>
>> Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
>> Cc: Jeremy Kerr <jeremy.kerr@xxxxxxxxxxxxx>
>> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>> Cc: Arnd Bergman <arnd.bergmann@xxxxxxxxxx>
>> Cc: Paul Walmsley <paul@xxxxxxxxx>
>> Cc: Shawn Guo <shawn.guo@xxxxxxxxxxxxx>
>> Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
>> Cc: Richard Zhao <richard.zhao@xxxxxxxxxx>
>> Cc: Saravana Kannan <skannan@xxxxxxxxxxxxxx>
>> Cc: Magnus Damm <magnus.damm@xxxxxxxxx>
>> Cc: Rob Herring <rob.herring@xxxxxxxxxxx>
>> Cc: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
>> Cc: Linus Walleij <linus.walleij@xxxxxxxxxxxxxx>
>> Cc: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
>> Cc: Amit Kucheria <amit.kucheria@xxxxxxxxxx>
>> Cc: Deepak Saxena <dsaxena@xxxxxxxxxx>
>> Cc: Grant Likely <grant.likely@xxxxxxxxxxxx>
>> Cc: Andrew Lunn <andrew@xxxxxxx>
>
> snip
>
>> +
>> +     /*
>> +      * walk the list of orphan clocks and reparent any that are children of
>> +      * this clock
>> +      */
>> +     hlist_for_each_entry(orphan, tmp, &clk_orphan_list, child_node)
>
> In __clk_init, this needs to be hlist_for_each_entry_safe as entries can
> be removed.

Thanks for the catch Rob.  I'll take this in.

Regards,
Mike

>
> Rob
>
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