linux-kernel - RE: [PATCH V5 5/9] firmware: imx: scu: use EOPNOTSUPP

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Message-ID: <DU0PR04MB9417C47BDAC2BDF8D00B7DFE880CA@DU0PR04MB9417.eurprd04.prod.outlook.com>
Date:   Mon, 7 Aug 2023 02:57:17 +0000
From:   Peng Fan <peng.fan@....com>
To:     Shawn Guo <shawnguo@...nel.org>,
        "Peng Fan (OSS)" <peng.fan@....nxp.com>
CC:     "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>,
        Aisheng Dong <aisheng.dong@....com>,
        "alexander.stein@...tq-group.com" <alexander.stein@...tq-group.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH V5 5/9] firmware: imx: scu: use EOPNOTSUPP

Hi Shawn,

> Subject: Re: [PATCH V5 5/9] firmware: imx: scu: use EOPNOTSUPP
> 
> On Mon, Jul 31, 2023 at 05:04:45PM +0800, Peng Fan (OSS) wrote:
> > From: Peng Fan <peng.fan@....com>
> >
> > EOPNOTSUPP is preferred than ENOTSUPP.
> 
> Could you elaborate why?

>From checkpatch.pl:
"ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP"
I could add this in commit message if you prefer.

Thanks,
Peng.

> 
> Shawn
> 
> >
> > Signed-off-by: Peng Fan <peng.fan@....com>
> > ---
> >  include/linux/firmware/imx/sci.h | 10 +++++-----
> >  1 file changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/include/linux/firmware/imx/sci.h
> > b/include/linux/firmware/imx/sci.h
> > index 5cc63fe7e84d..7fa0f3b329b5 100644
> > --- a/include/linux/firmware/imx/sci.h
> > +++ b/include/linux/firmware/imx/sci.h
> > @@ -25,27 +25,27 @@ int imx_scu_soc_init(struct device *dev);  #else
> > static inline int imx_scu_soc_init(struct device *dev)  {
> > -	return -ENOTSUPP;
> > +	return -EOPNOTSUPP;
> >  }
> >
> >  static inline int imx_scu_enable_general_irq_channel(struct device
> > *dev)  {
> > -	return -ENOTSUPP;
> > +	return -EOPNOTSUPP;
> >  }
> >
> >  static inline int imx_scu_irq_register_notifier(struct notifier_block
> > *nb)  {
> > -	return -ENOTSUPP;
> > +	return -EOPNOTSUPP;
> >  }
> >
> >  static inline int imx_scu_irq_unregister_notifier(struct
> > notifier_block *nb)  {
> > -	return -ENOTSUPP;
> > +	return -EOPNOTSUPP;
> >  }
> >
> >  static inline int imx_scu_irq_group_enable(u8 group, u32 mask, u8
> > enable)  {
> > -	return -ENOTSUPP;
> > +	return -EOPNOTSUPP;
> >  }
> >  #endif
> >  #endif /* _SC_SCI_H */
> > --
> > 2.37.1
> >