linux-kernel - RE: Re: [PATCH] clk: imx8mp: Remove the none exist pcie clocks

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Date:   Wed, 31 Mar 2021 07:36:24 +0000
From:   Richard Zhu <hongxing.zhu@....com>
To:     Stephen Boyd <sboyd@...nel.org>, Abel Vesa <abel.vesa@....com>,
        Jacky Bai <ping.bai@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>
CC:     dl-linux-imx <linux-imx@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>
Subject: RE: Re: [PATCH] clk: imx8mp: Remove the none exist pcie clocks


> -----Original Message-----
> From: Stephen Boyd <sboyd@...nel.org>
> Sent: Wednesday, March 31, 2021 10:17 AM
> To: Richard Zhu <hongxing.zhu@....com>; Abel Vesa <abel.vesa@....com>;
> Jacky Bai <ping.bai@....com>; shawnguo@...nel.org
> Cc: dl-linux-imx <linux-imx@....com>; linux-arm-kernel@...ts.infradead.org;
> linux-kernel@...r.kernel.org; linux-clk@...r.kernel.org; Richard Zhu
> <hongxing.zhu@....com>
> Subject: Re: [PATCH] clk: imx8mp: Remove the none exist pcie clocks
> Quoting Richard Zhu (2021-03-15 01:17:47)
> > In the i.MX8MP PCIe design, the PCIe PHY REF clock comes from external
> > OSC or internal system PLL. It is configured in the IOMUX_GPR14
> > register directly, and can't be contolled by CCM at all.
> > Remove the PCIE PHY clock from clock driver to clean up codes.
> > There is only one PCIe in i.MX8MP, remove the none exist second PCIe
> > related clocks.
> > Remove the none exsits clocks IDs together.
> >
> > Signed-off-by: Richard Zhu <hongxing.zhu@....com>
> > Reviewed-by: Jason Liu <jason.hui.liu@....com>
> > ---
> 
> Any Fixes tag?
[Richard Zhu] Hi Stephen: 
The codes are changed refer to the RM document updates.
It doesn't fix a bug introduced from previous commit.

Best Regards
Richard Zhu