From: Peng Fan <peng.fan@nxp.com>
To: Shawn Guo <shawnguo@kernel.org>
Cc: "sboyd@kernel.org" <sboyd@kernel.org>,
"s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
"festevam@gmail.com" <festevam@gmail.com>,
Abel Vesa <abel.vesa@nxp.com>,
"kernel@pengutronix.de" <kernel@pengutronix.de>,
dl-linux-imx <linux-imx@nxp.com>,
Anson Huang <anson.huang@nxp.com>,
"linux-clk@vger.kernel.org" <linux-clk@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Aisheng Dong <aisheng.dong@nxp.com>
Subject: RE: [PATCH V3] clk: imx8m: fix bus critical clk registration
Date: Tue, 3 Nov 2020 01:03:44 +0000 [thread overview]
Message-ID: <DB6PR0402MB2760920568B1FC6A9F993EFB88110@DB6PR0402MB2760.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20201103000657.GA31601@dragon>
Shawn,
> Subject: Re: [PATCH V3] clk: imx8m: fix bus critical clk registration
>
> On Sun, Nov 01, 2020 at 07:23:54PM +0800, peng.fan@nxp.com wrote:
> > From: Peng Fan <peng.fan@nxp.com>
> >
> > noc/axi/ahb are bus clk, not peripheral clk.
> > Since peripheral clk has a limitation that for peripheral clock slice,
> > IP clock slices must be stopped to change the clock source.
> >
> > However if the bus clk is marked as critical clk peripheral, the
> > assigned clock parent operation will fail.
> >
> > So we added CLK_SET_PARENT_GATE flag to avoid glitch.
> >
> > And add imx8m_clk_hw_composite_bus_critical for bus critical clock
> > usage
> >
> > Fixes: 936c383673b9e ("clk: imx: fix composite peripheral flags")
> > Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
> > Reported-by: Abel Vesa <abel.vesa@nxp.com>
> > Signed-off-by: Peng Fan <peng.fan@nxp.com>
>
> Do you want this be picked up as a fix for 5.10-rc or non-critical stuff for
> -next?
Please take this as a fix for 5.10-rc.
Thanks,
Peng.
>
> Shawn
next prev parent reply other threads:[~2020-11-03 1:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-01 11:23 [PATCH V3] clk: imx8m: fix bus critical clk registration peng.fan
2020-11-03 0:06 ` Shawn Guo
2020-11-03 1:03 ` Peng Fan [this message]
2020-11-03 10:59 ` Shawn Guo
2020-11-05 1:13 ` Stephen Boyd
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