linux-kernel - RE: [PATCH V5 1/1] clk: imx8mp: Alias M7 SRC/DIV to M7 CORE

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Message-ID: <AS8PR06MB74322F7B9980F007D4C30302D7DD9@AS8PR06MB7432.eurprd06.prod.outlook.com>
Date:   Mon, 13 Feb 2023 05:44:33 +0000
From:   LI Qingwu <qing-wu.li@...ca-geosystems.com.cn>
To:     Stephen Boyd <sboyd@...nel.org>, Abel Vesa <abel.vesa@...aro.org>,
        Peng Fan <peng.fan@....com>
CC:     "abelvesa <kernel.org" <abelvesa@...nel.org>,
        "mturquette <baylibre.com" <mturquette@...libre.com>,
        "shawnguo <kernel.org" <shawnguo@...nel.org>,
        "s.hauer <pengutronix.de" <s.hauer@...gutronix.de>,
        "kernel <pengutronix.de" <kernel@...gutronix.de>,
        "festevam <gmail.com" <festevam@...il.com>,
        "linux-kernel <vger.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-imx <nxp.com" <linux-imx@....com>,
        "linux-clk <vger.kernel.org" <linux-clk@...r.kernel.org>,
        "linux-arm-kernel <lists.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "18701859600 <163.com" <18701859600@....com>,
        GEO-CHHER-bsp-development 
        <bsp-development.geo@...ca-geosystems.com>,
        Marco Felsch <m.felsch@...gutronix.de>
Subject: RE: [PATCH V5 1/1] clk: imx8mp: Alias M7 SRC/DIV to M7 CORE


> -----Original Message-----
> From: Stephen Boyd <sboyd@...nel.org>
> Sent: Tuesday, January 31, 2023 6:35 AM
> To: Abel Vesa <abel.vesa@...aro.org>; LI Qingwu 
> <qing-wu.li@...ca-geosystems.com.cn>; Peng Fan <peng.fan@....com>
> Cc: abelvesa@ <kernel.org abelvesa@...nel.org>; mturquette@ 
> <baylibre.com mturquette@...libre.com>; shawnguo@ <kernel.org 
> shawnguo@...nel.org>; s.hauer@ <pengutronix.de 
> s.hauer@...gutronix.de>; kernel@ <pengutronix.de 
> kernel@...gutronix.de>; festevam@ <gmail.com festevam@...il.com>; 
> linux-imx@ <nxp.com linux-imx@....com>; linux-clk@ <vger.kernel.org 
> linux-clk@...r.kernel.org>; linux-arm-kernel@ <lists.infradead.org 
> linux-arm-kernel@...ts.infradead.org>; linux-kernel@ <vger.kernel.org 
> linux-kernel@...r.kernel.org>; 18701859600@ <163.com 
> 18701859600@....com>; GEO-CHHER-bsp-development 
> <bsp-development.geo@...ca-geosystems.com>; Marco Felsch 
> <m.felsch@...gutronix.de>
> Subject: RE: [PATCH V5 1/1] clk: imx8mp: Alias M7 SRC/DIV to M7 CORE
> 
> This email is not from Hexagon’s Office 365 instance. Please be 
> careful while clicking links, opening attachments, or replying to this email.
> 
> 
> Quoting LI Qingwu (2023-01-29 23:44:22)
> >
> > > > Is it needed for clk-fixes? When did the system start hanging?
> > >
> > > Li, Peng, can you provide some details here?
> >
> > Since IMX8MP_CLK_M7_SRC and IMX8MP_CLK_M7_DIV were not assigned, if 
> > using any one of them in device tree, Linux system hanging after 
> > start M7
> core.
> 
>  $ git grep -e IMX8MP_CLK_M7_SRC -o -e IMX8MP_CLK_M7_DIV 
> include/dt-bindings/clock/imx8mp-clock.h:IMX8MP_CLK_M7_SRC
>  include/dt-bindings/clock/imx8mp-clock.h:IMX8MP_CLK_M7_DIV
> 
> so we're OK to let Abel apply this?

Just check it's OK to apply or not? Why ?