[U-Boot] [PATCH v4 08/13] dm: clk: Define clk_get_parent_rate() for clk operations

[Lukasz Majewski]

Hi Simon,

> Hi Lukasz,
> 
> On Thu, 16 May 2019 at 16:11, Lukasz Majewski <lukma at denx.de> wrote:
> >
> > This commit adds the clk_get_parent_rate() function, which is
> > responsible for getting the rate of parent clock.
> > Unfortunately, u-boot's DM support for getting parent is different
> > (the parent relationship is in udevice) than the one in common clock
> > framework (CCF) in Linux.
> >
> > To alleviate this problem - the clk_get_parent_rate() function has
> > been introduced to clk-uclass.c.
> >
> > Signed-off-by: Lukasz Majewski <lukma at denx.de>
> >
> > ---
> >
> > Changes in v4: None
> > Changes in v3:
> > - The rate information is now cached into struct clk field
> > - The clk_get_parent() is used to get pointer to the parent struct
> > clk
> >
> >  drivers/clk/clk-uclass.c | 22 ++++++++++++++++++++++
> >  include/clk.h            |  9 +++++++++
> >  2 files changed, 31 insertions(+)
> >  
> 
> This also needs a test.

Please find corresponding test:

http://patchwork.ozlabs.org/patch/1100767/

which covers clk_get_parent() and clk_get_parent_rate() as well.

> 
> Regards,
> Simon




Best regards,

Lukasz Majewski

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