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Re: [PATCH v2 4/9] clk: stm32f4: Add lcd-tft clock

Started byRob Herring <robh@kernel.org>
First post2016-11-30 22:00 +0100
Last post2016-12-01 10:10 +0100
Articles 2 — 2 participants

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  Re: [PATCH v2 4/9] clk: stm32f4: Add lcd-tft clock Rob Herring <robh@kernel.org> - 2016-11-30 22:00 +0100
    Re: [PATCH v2 4/9] clk: stm32f4: Add lcd-tft clock Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-12-01 10:10 +0100

#1533563 — Re: [PATCH v2 4/9] clk: stm32f4: Add lcd-tft clock

FromRob Herring <robh@kernel.org>
Date2016-11-30 22:00 +0100
SubjectRe: [PATCH v2 4/9] clk: stm32f4: Add lcd-tft clock
Message-ID<sJk8V-2ve-1@gated-at.bofh.it>
On Thu, Nov 24, 2016 at 03:45:44PM +0100, gabriel.fernandez@st.com wrote:
> From: Gabriel Fernandez <gabriel.fernandez@st.com>
> 
> This patch introduces lcd-tft clock for stm32f4 soc.
> 
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
> ---
>  .../devicetree/bindings/clock/st,stm32-rcc.txt     |   1 +
>  drivers/clk/clk-stm32f4.c                          | 118 +++++++++++++++++++++
>  include/dt-bindings/clock/stm32f4-clock.h          |   3 +-
>  3 files changed, 121 insertions(+), 1 deletion(-)


> diff --git a/include/dt-bindings/clock/stm32f4-clock.h b/include/dt-bindings/clock/stm32f4-clock.h
> index 56b8e10..1be4a3a 100644
> --- a/include/dt-bindings/clock/stm32f4-clock.h
> +++ b/include/dt-bindings/clock/stm32f4-clock.h
> @@ -27,7 +27,8 @@
>  #define CLK_RTC			5
>  #define PLL_VCO_I2S		6
>  #define PLL_VCO_SAI		7
> +#define CLK_LCD			8
>  
> -#define END_PRIMARY_CLK		8
> +#define END_PRIMARY_CLK		9

Do you really need this? Having this change could cause compatibility 
problems between dtb and kernel versions.

Please restructure the patch series and put all of the binding changes 
including this header into a single patch. Incrementally add s/w 
features, not h/w.

Rob

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#1533911

FromGabriel Fernandez <gabriel.fernandez@st.com>
Date2016-12-01 10:10 +0100
Message-ID<sJvxo-1QI-47@gated-at.bofh.it>
In reply to#1533563
Hi Rob,

Thanks for reviewing

On 11/30/2016 09:53 PM, Rob Herring wrote:
> On Thu, Nov 24, 2016 at 03:45:44PM +0100, gabriel.fernandez@st.com wrote:
>> From: Gabriel Fernandez <gabriel.fernandez@st.com>
>>
>> This patch introduces lcd-tft clock for stm32f4 soc.
>>
>> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
>> ---
>>   .../devicetree/bindings/clock/st,stm32-rcc.txt     |   1 +
>>   drivers/clk/clk-stm32f4.c                          | 118 +++++++++++++++++++++
>>   include/dt-bindings/clock/stm32f4-clock.h          |   3 +-
>>   3 files changed, 121 insertions(+), 1 deletion(-)
>
>> diff --git a/include/dt-bindings/clock/stm32f4-clock.h b/include/dt-bindings/clock/stm32f4-clock.h
>> index 56b8e10..1be4a3a 100644
>> --- a/include/dt-bindings/clock/stm32f4-clock.h
>> +++ b/include/dt-bindings/clock/stm32f4-clock.h
>> @@ -27,7 +27,8 @@
>>   #define CLK_RTC			5
>>   #define PLL_VCO_I2S		6
>>   #define PLL_VCO_SAI		7
>> +#define CLK_LCD			8
>>   
>> -#define END_PRIMARY_CLK		8
>> +#define END_PRIMARY_CLK		9
> Do you really need this? Having this change could cause compatibility
> problems between dtb and kernel versions.
>
> Please restructure the patch series and put all of the binding changes
> including this header into a single patch. Incrementally add s/w
> features, not h/w.
>
> Rob
Okay

Best Regards

Gabriel

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