linux-kernel - Re: [PATCH V3 04/12] misc: xilinx_sdfec: Add open, close and ioctl

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Message-ID: <20190502172345.GC1874@kroah.com>
Date:   Thu, 2 May 2019 19:23:45 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Dragan Cvetic <dragan.cvetic@...inx.com>
Cc:     arnd@...db.de, michal.simek@...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 <derek.kiernan@...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.

thanks,

greg k-h