On 1/28/20 10:11 AM, Patrick Delaunay wrote: > From: Antonio Borneo <antonio.bor...@st.com> > > LTDC modifies the clock frequency to adapt it to the display. Such > frequency change is not detected by the FDCAN driver that instead > cache the value at probe and pretend to use it later. > > Keep the LTDC alone on PLL4_Q by moving the FDCAN to PLL4_R. > > Signed-off-by: Antonio Borneo <antonio.bor...@st.com> > Signed-off-by: Patrick Delaunay <patrick.delau...@st.com> > --- > > arch/arm/dts/stm32mp157a-avenger96-u-boot.dtsi | 2 +- > arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi | 2 +- > arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi | 2 +- > arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi | 2 +- > 4 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/arch/arm/dts/stm32mp157a-avenger96-u-boot.dtsi > b/arch/arm/dts/stm32mp157a-avenger96-u-boot.dtsi > index 1104a70a65..d8a4617d90 100644 > --- a/arch/arm/dts/stm32mp157a-avenger96-u-boot.dtsi > +++ b/arch/arm/dts/stm32mp157a-avenger96-u-boot.dtsi > @@ -91,7 +91,7 @@ > CLK_UART6_HSI > CLK_UART78_HSI > CLK_SPDIF_PLL4P > - CLK_FDCAN_PLL4Q > + CLK_FDCAN_PLL4R > CLK_SAI1_PLL3Q > CLK_SAI2_PLL3Q > CLK_SAI3_PLL3Q > diff --git a/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi > b/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi > index 4045a6e731..a7a125c087 100644 > --- a/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi > +++ b/arch/arm/dts/stm32mp157a-dk1-u-boot.dtsi > @@ -110,7 +110,7 @@ > CLK_UART6_HSI > CLK_UART78_HSI > CLK_SPDIF_PLL4P > - CLK_FDCAN_PLL4Q > + CLK_FDCAN_PLL4R > CLK_SAI1_PLL3Q > CLK_SAI2_PLL3Q > CLK_SAI3_PLL3Q > diff --git a/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi > b/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi > index b2ac49472a..32d95b84e7 100644 > --- a/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi > +++ b/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi > @@ -107,7 +107,7 @@ > CLK_UART6_HSI > CLK_UART78_HSI > CLK_SPDIF_PLL4P > - CLK_FDCAN_PLL4Q > + CLK_FDCAN_PLL4R > CLK_SAI1_PLL3Q > CLK_SAI2_PLL3Q > CLK_SAI3_PLL3Q > diff --git a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi > b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi > index 320912edd8..21aa4bfb86 100644 > --- a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi > +++ b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi > @@ -142,7 +142,7 @@ > CLK_UART6_HSI > CLK_UART78_HSI > CLK_SPDIF_PLL4P > - CLK_FDCAN_PLL4Q > + CLK_FDCAN_PLL4R > CLK_SAI1_PLL3Q > CLK_SAI2_PLL3Q > CLK_SAI3_PLL3Q
Reviewed-by: Patrice Chotard <patrice.chot...@st.com> Thanks