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Date:   Fri, 3 May 2019 16:46:12 +0000
From:   Dragan Cvetic <draganc@...inx.com>
To:     Greg KH <gregkh@...uxfoundation.org>
CC:     "arnd@...db.de" <arnd@...db.de>, Michal Simek <michals@...inx.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Derek Kiernan <dkiernan@...inx.com>
Subject: RE: [PATCH V3 04/12] misc: xilinx_sdfec: Add open, close and ioctl



> -----Original Message-----
> From: Greg KH [mailto:gregkh@...uxfoundation.org]
> Sent: Thursday 2 May 2019 18:24
> To: Dragan Cvetic <draganc@...inx.com>
> Cc: arnd@...db.de; Michal Simek <michals@...inx.com>; linux-arm-kernel@...ts.infradead.org; robh+dt@...nel.org;
> mark.rutland@....com; devicetree@...r.kernel.org; linux-kernel@...r.kernel.org; Derek Kiernan <dkiernan@...inx.com>
> Subject: Re: [PATCH V3 04/12] misc: xilinx_sdfec: Add open, close and ioctl
> 
> On Sat, Apr 27, 2019 at 11:04:58PM +0100, Dragan Cvetic wrote:
> > Add char device interface per DT node present and support
> > file operations:
> > - open(),
> > - close(),
> > - unlocked_ioctl(),
> > - compat_ioctl().
> 
> Why do you need compat_ioctl() at all?  Any "new" driver should never
> need it.  Just create your structures properly.

This was a comment from Arnd, see https://lkml.org/lkml/2019/3/19/377.
Please advise.

> 
> thanks,
> 
> greg k-h

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