linux-kernel - RE: [PATCH] clk: imx: pll14xx: initialize flags to 0

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Message-ID: <AM0PR04MB4481DC8B916E01AFF2D4BA8788790@AM0PR04MB4481.eurprd04.prod.outlook.com>
Date:   Wed, 6 Nov 2019 01:18:16 +0000
From:   Peng Fan <peng.fan@....com>
To:     Ahmad Fatoum <a.fatoum@...gutronix.de>,
        "sboyd@...nel.org" <sboyd@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        Abel Vesa <abel.vesa@....com>
CC:     Aisheng Dong <aisheng.dong@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        Leonard Crestez <leonard.crestez@....com>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH] clk: imx: pll14xx: initialize flags to 0

> Subject: Re: [PATCH] clk: imx: pll14xx: initialize flags to 0
> 
> Hello Peng,
> 
> On 11/5/19 8:21 AM, Peng Fan wrote:
> > From: Peng Fan <peng.fan@....com>
> >
> > init.flags is initialized with value from pll_clk->flags, however
> > imx_1443x_pll and imx_1416x_pll are not static structure,
> 
> They don't have a static in front of them, but they still have static storage
> duration.

Yes. I am wrong.

> 
> > so flags
> > might be random value. So let's initialize flags as 0 now.
> 
> I fail to see how. Members not listed in the { initializer-list } are implicitly
> initialized as if they were static objects, so flags should already be zero.

Understand.

> 
> (I assumed this patch is based on Shawn's imx-clk-5.5 tag)

Yes.

Drop this patch.

Thanks,
Peng.

> 
> Cheers
> Ahmad
> 
> 
> >
> > Signed-off-by: Peng Fan <peng.fan@....com>
> > ---
> >  drivers/clk/imx/clk-pll14xx.c | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/clk/imx/clk-pll14xx.c
> > b/drivers/clk/imx/clk-pll14xx.c index fa76e04251c4..a7f1c1abe664
> > 100644
> > --- a/drivers/clk/imx/clk-pll14xx.c
> > +++ b/drivers/clk/imx/clk-pll14xx.c
> > @@ -65,12 +65,14 @@ struct imx_pll14xx_clk imx_1443x_pll = {
> >  	.type = PLL_1443X,
> >  	.rate_table = imx_pll1443x_tbl,
> >  	.rate_count = ARRAY_SIZE(imx_pll1443x_tbl),
> > +	.flags = 0,
> >  };
> >
> >  struct imx_pll14xx_clk imx_1416x_pll = {
> >  	.type = PLL_1416X,
> >  	.rate_table = imx_pll1416x_tbl,
> >  	.rate_count = ARRAY_SIZE(imx_pll1416x_tbl),
> > +	.flags = 0,
> >  };
> >
> >  static const struct imx_pll14xx_rate_table *imx_get_pll_settings(
> >
> 
> --
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