Re: [PATCH 2/2] arm64: dts: qcom: ipq8074: correct USB3 QMP PHY-s clock output names

From: Robert Marko
Date: Sun Jan 08 2023 - 13:04:46 EST


On Sun, 8 Jan 2023 at 18:32, Dmitry Baryshkov
<dmitry.baryshkov@xxxxxxxxxx> wrote:
>
> On Sun, 8 Jan 2023 at 15:04, Robert Marko <robimarko@xxxxxxxxx> wrote:
> >
> > It seems that clock-output-names for the USB3 QMP PHY-s where set without
> > actually checking what is the GCC clock driver expecting, so clock core
> > could never actually find the parents for usb0_pipe_clk_src and
> > usb1_pipe_clk_src clocks in the GCC driver.
> >
> > So, correct the names to be what the driver expects so that parenting
> > works.
> >
> > Before:
> > gcc_usb0_pipe_clk_src 0 0 0 125000000 0 0 50000 Y
> > gcc_usb1_pipe_clk_src 0 0 0 125000000 0 0 50000 Y
> >
> > After:
> > usb3phy_0_cc_pipe_clk 1 1 0 125000000 0 0 50000 Y
> > usb0_pipe_clk_src 1 1 0 125000000 0 0 50000 Y
> > gcc_usb0_pipe_clk 1 1 0 125000000 0 0 50000 Y
> > usb3phy_1_cc_pipe_clk 1 1 0 125000000 0 0 50000 Y
> > usb1_pipe_clk_src 1 1 0 125000000 0 0 50000 Y
> > gcc_usb1_pipe_clk 1 1 0 125000000 0 0 50000 Y
> >
> > Fixes: 5e09bc51d07b ("arm64: dts: ipq8074: enable USB support")
> > Signed-off-by: Robert Marko <robimarko@xxxxxxxxx>
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
>
> Nevertheless, could you please add .fw_name to these entries in gcc
> driver (as you did for other clocks in 35dc8e101a8e ("clk: qcom:
> ipq8074: populate fw_name for all parents")) and add all pipe clocks
> to the gcc node? This way you can drop clock-output-names from the PHY
> nodes.

As you noticed they are in the GCC patch already, after the PCI PIPE
parenting fixes
are merged I plan to add them to the GCC node to avoid global lookup.

Regards,
Robert
>
> > ---
> > arch/arm64/boot/dts/qcom/ipq8074.dtsi | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
>
> [skipped]
>
> --
> With best wishes
> Dmitry