Re: [PATCH] ARM: OMAP3+: DPLL: stop reparenting to same parent if already done

2014-02-19 Thread Paul Walmsley
On Wed, 5 Feb 2014, Nishanth Menon wrote:

> omap3_noncore_dpll_set_rate forces a reparent to the same clk_ref
> for every call that takes place. This is an can be done only if a change
> is detected.
> 
> Signed-off-by: Nishanth Menon 

Queued for v3.15 with Tero's ack unless the patch is updated to indicate 
that it's more than an optimization.


- Paul
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Re: [PATCH] ARM: OMAP3+: DPLL: stop reparenting to same parent if already done

2014-02-19 Thread Paul Walmsley
On Wed, 5 Feb 2014, Nishanth Menon wrote:

 omap3_noncore_dpll_set_rate forces a reparent to the same clk_ref
 for every call that takes place. This is an can be done only if a change
 is detected.
 
 Signed-off-by: Nishanth Menon n...@ti.com

Queued for v3.15 with Tero's ack unless the patch is updated to indicate 
that it's more than an optimization.


- Paul
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Re: [PATCH] ARM: OMAP3+: DPLL: stop reparenting to same parent if already done

2014-02-14 Thread Tero Kristo

On 02/14/2014 01:13 AM, Tony Lindgren wrote:

* Nishanth Menon  [140205 01:06]:

omap3_noncore_dpll_set_rate forces a reparent to the same clk_ref
for every call that takes place. This is an can be done only if a change
is detected.

Signed-off-by: Nishanth Menon 


Would like to see acks on this too before applying.


Looks good to me, ack.

-Tero



Tony


---
  arch/arm/mach-omap2/dpll3xxx.c |2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c
index 3185ced..d9bcbf7 100644
--- a/arch/arm/mach-omap2/dpll3xxx.c
+++ b/arch/arm/mach-omap2/dpll3xxx.c
@@ -525,7 +525,7 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned 
long rate,
* stuff is inherited for free
*/

-   if (!ret)
+   if (!ret && clk_get_parent(hw->clk) != new_parent)
__clk_reparent(hw->clk, new_parent);

return 0;
--
1.7.9.5



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Re: [PATCH] ARM: OMAP3+: DPLL: stop reparenting to same parent if already done

2014-02-14 Thread Tero Kristo

On 02/14/2014 01:13 AM, Tony Lindgren wrote:

* Nishanth Menon n...@ti.com [140205 01:06]:

omap3_noncore_dpll_set_rate forces a reparent to the same clk_ref
for every call that takes place. This is an can be done only if a change
is detected.

Signed-off-by: Nishanth Menon n...@ti.com


Would like to see acks on this too before applying.


Looks good to me, ack.

-Tero



Tony


---
  arch/arm/mach-omap2/dpll3xxx.c |2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c
index 3185ced..d9bcbf7 100644
--- a/arch/arm/mach-omap2/dpll3xxx.c
+++ b/arch/arm/mach-omap2/dpll3xxx.c
@@ -525,7 +525,7 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned 
long rate,
* stuff is inherited for free
*/

-   if (!ret)
+   if (!ret  clk_get_parent(hw-clk) != new_parent)
__clk_reparent(hw-clk, new_parent);

return 0;
--
1.7.9.5



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Re: [PATCH] ARM: OMAP3+: DPLL: stop reparenting to same parent if already done

2014-02-13 Thread Tony Lindgren
* Nishanth Menon  [140205 01:06]:
> omap3_noncore_dpll_set_rate forces a reparent to the same clk_ref
> for every call that takes place. This is an can be done only if a change
> is detected.
> 
> Signed-off-by: Nishanth Menon 

Would like to see acks on this too before applying.

Tony

> ---
>  arch/arm/mach-omap2/dpll3xxx.c |2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c
> index 3185ced..d9bcbf7 100644
> --- a/arch/arm/mach-omap2/dpll3xxx.c
> +++ b/arch/arm/mach-omap2/dpll3xxx.c
> @@ -525,7 +525,7 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, 
> unsigned long rate,
>   * stuff is inherited for free
>   */
>  
> - if (!ret)
> + if (!ret && clk_get_parent(hw->clk) != new_parent)
>   __clk_reparent(hw->clk, new_parent);
>  
>   return 0;
> -- 
> 1.7.9.5
> 
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Re: [PATCH] ARM: OMAP3+: DPLL: stop reparenting to same parent if already done

2014-02-13 Thread Tony Lindgren
* Nishanth Menon n...@ti.com [140205 01:06]:
 omap3_noncore_dpll_set_rate forces a reparent to the same clk_ref
 for every call that takes place. This is an can be done only if a change
 is detected.
 
 Signed-off-by: Nishanth Menon n...@ti.com

Would like to see acks on this too before applying.

Tony

 ---
  arch/arm/mach-omap2/dpll3xxx.c |2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c
 index 3185ced..d9bcbf7 100644
 --- a/arch/arm/mach-omap2/dpll3xxx.c
 +++ b/arch/arm/mach-omap2/dpll3xxx.c
 @@ -525,7 +525,7 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, 
 unsigned long rate,
   * stuff is inherited for free
   */
  
 - if (!ret)
 + if (!ret  clk_get_parent(hw-clk) != new_parent)
   __clk_reparent(hw-clk, new_parent);
  
   return 0;
 -- 
 1.7.9.5
 
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