imx6: "use special clk parent" on kernel 3.14

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imx6: "use special clk parent" on kernel 3.14

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angelo_d
Senior Contributor I

Dear all,

upgrading from kernel 3.10 to 3.14 on imx6q sabre-auto similar board, i have a new warning, "use special clk parent"

mxc_sdc_fb fb.24: 1024x768 h_sync,r,l: 60,40,220  v_sync,l,u: 10,7,21 pixclock=65002000 Hz

imx-ipuv3 2400000.ipu: use special clk parent

imx-ipuv3 2400000.ipu: disp=1, pixel_clk=65002000 75428571 parent=75428571 div=1

Is this warning meaning i am doing something wrong in dts side, or i can ignore it ?

Best regards

Angelo Dureghello

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angelo_d
Senior Contributor I

Hi Alejandro,

thanks,

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angelo_d
Senior Contributor I

For what i understand from the code, is a new warning generated when parent ipu node "ldb_xx" clocks are used. Looking other boards dts, getting clock from parent should be fine.

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alejandrolozan1
NXP Employee
NXP Employee

Hi,

As I see, it is not a waning nor an error.

The message shows that the clock parent for the IPU is the same as the LBD_DIx_IPU

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/Alejandro