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Date:   Fri, 30 Jul 2021 23:22:49 +0200 (CEST)
From:   Dario Binacchi <dariobin@libero.it>
To:     Stephen Boyd <sboyd@kernel.org>, Dillon Hua <dillonhua@gmail.com>
Cc:     linux-clk@vger.kernel.org,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        Gabriel Fernandez <gabriel.fernandez@st.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Michael Turquette <mturquette@baylibre.com>,
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Subject: Re: [RESEND PATCH v4] clk: stm32f4: fix post divisor setup for
 I2S/SAI PLLs
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Hi Stephen,

> Il 30/07/2021 21:47 Stephen Boyd <sboyd@kernel.org> ha scritto:
> 
>  
> Quoting Dario Binacchi (2021-07-29 03:03:22)
> > Hi Dillon,
> > 
> > > Il 28/07/2021 12:03 Dillon Hua <dillonhua@gmail.com> ha scritto:
> > > 
> > >  
> > > Hi Dario,
> > > 
> > > I have a similar patch [1] submitted last year.
> > > Unfortunately, it did not get accepted by the maintainer.
> > > 
> > > Just a reminder here for you, should remove
> > > 
> > > { STM32F4_RCC_APB2ENR, 26, "ltdc", "apb2_div" },
> > 
> > Thank you for your suggestion.
> > While testing the patch on the stm32f469-disco board I didn't
> > notice the white screen issue. I'll try to run the tests again. 
> > I will let you know.
> > 
> 
> Ok, I'll drop this from the tree.

The patch fixes commit 517633ef630e ("clk: stm32f4: Add post divisor for I2S & SAI PLLs"),
so IMHO it should not be dropped from the tree.
What Dillon suggests, if confirmed, should be fixed by another patch.

Thanks and regards,
Dario